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♦3 Month Challenges♦ > TCF's Autumnal Equinox Challenge

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message 1: by Erica, Quality Control Supervisor (new)

Erica | 4712 comments Mod


Duration: 09/22/25 - 12/20/25

Re-reads are allowed; one book per task.
Once you’ve read a book strike through it and rate it.
Update your original post and occasionally post a general update if you want.
No reading until 09/22 but you can reserve your spot and work on your reading lists right away.
This will be a six-part self moderated challenge. Pick your level, then pick your books.
Have fun and happy reading!

Levels:
Pumpkin: 1-2 tasks per category
Bonfire: 3 tasks per category
Haunted House: 4+ tasks per category


message 2: by Erica, Quality Control Supervisor (last edited Sep 20, 2025 06:19AM) (new)

Erica | 4712 comments Mod
Category 1 By the Numbers
The September equinox is a seasonal milestone in Earth’s yearly orbit around the sun. At an equinox, the sun appears directly above Earth’s equator. At the September equinox, the sun is moving from north to south as it crosses above the equator. It’s bringing summer to the Southern Hemisphere and winter to the Northern Hemisphere.. The fall equinox occurs at 2:19 p.m. EDT on Monday, September 22. The tilt of Earth's axis, which is 23.5 degrees parallel to its orbit, causes the seasonal changes we experience. The axis of the planet points in the same direction as it spins around the sun.

Read a book by an author who was born in September of any year.
Read a book published between September 21 and December 21 of any year.
Read a book from a series with at least 7 books in it.
Read a book that has more than 219 pages in it.
Read a book that has two of the numbers 235 in its publication date.


Category 2 Equality

The word equinox literally translates to equal (“equi-”) and night (“nox”) in Latin. But day and night aren't exactly 12 hours long on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical illusion that results in more daylight. Because of this, the date when day and night are of exactly equal length is usually a few days after the autumnal equinox.

Read a book where two characters are considered equals.
Read a book with a night sky on the cover.
Read a book where the MC arrives later than expected for some event.
Read a book by an author whose first name begins with a letter in EQUINOX.
Read a book in the same series you have already read a book from this year.


Category 3 Autumn Festivals

The Druid Order of London, which was founded in Oxford in 1245, has been conducting the Autumn Equinox ceremony on Primrose Hill since 1717.
There are several other celebrations associated with the fall equinox such as the neopagan festival of Mabon, a harvest festival to celebrate the gathering of crops and the bounty of the earth.
China and Vietnam celebrate the Moon or Mid-Autumn festival on the day of the Harvest moon. It celebrates the abundance of the summer harvest. Brightly lit lanterns are a big part of the festivals, and children in Vietnam wear masks. Also, traditional mooncakes filled with sweet-bean or lotus-seed paste are shared and eaten.

Read a book where an ancient ritual occurs.
Read a book set in England, China or Vietnam.
Read a book by an author whose initials can be found in the words PRIMROSE HILL.
Read a book where three numbers from 12457 can be found in the page number and/or publication date.
Read a book with a mask on the cover.


Category 4 Impact on Earth

The fall equinox affects many things on Earth, including:
Human health: Our biological circadian rhythm is influenced by daylight variations, and this can result in disruptions to our sleep and mood patterns. Seasonal affective disorder, or SAD, is possible for some.
Changes in animal behavior: To survive the upcoming winter, many animal species adapt their feeding patterns, migrate or both in reaction to the equinox's changing light conditions.
The agricultural industry: To ensure food storage for the winter, farmers gather crops according to the timing of the fall equinox, which traditionally marks the beginning of the harvest season.

Read a book where a character's sleep is disrupted.
Read a book with a harvest in it.
Read a book with a MC who is depressed.
Read a book where a character relocates a long distance from their original home.
Read a book whose author's initials can be found in the word FARMER.


Category 5 Differences and Discrepancies

Although some people call the autumnal equinox the "official" start of fall, no administrative or political organization actually designates that. In fact, though astronomers say summer ends Sept. 22, meteorologists and climatologists say summer already ended in our hemisphere on Aug. 31, the final day of the hottest month of the year.
Although the autumnal equinox is generally Sept. 22 or 23, occasionally it falls on Sept. 21 or 24. That's because the calendar used in the West (the Gregorian calendar) defines a year as 365 days, or the length of time it takes for Earth to orbit the sun.
In actuality, Earth takes 365.25 days to go around the sun. So, this means that the September equinox will be six hours later than it was the year before. (The inclusion of leap years sort of resets the date.) In 2092 and 2096, the autumnal equinox will be on Sept. 21. The last time it was on this date was 1000 C.E.!

Read a book where two characters disagree about an issue.
Read a book where an event is held up by at least 6 hours for some reason.
Read a book set in the fall of the year.
Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR.
Read a book with a MC who is good at math and figures.


Category 6 Oh Those Lights!

You know those beautiful displays of light in the night sky called the aurora borealis? Well, the equinox signals the start of the time you can see them, generally continuing all the way through the spring equinox each March.
Auroras are caused by the interaction of solar winds with Earth's magnetic field. The solar winds are particles of plasma escaping from the sun and into space. Due to Earth's axial tilt, the solar wind from the sun is better able to reach Earth's atmosphere through our geomagnetic field. These disturbances in Earth's magnetic field (called geomagnetic storms) are therefore at their strongest and most likely in the spring and fall, compared to summer and winter.
The particles that slam into Earth's magnetic field collide with atoms of oxygen, nitrogen, and other elements in the air. These particles eventually release photons of different wavelengths and therefore the different colors of aurora you can see in the sky.

Read a book that shows a storm on the cover.
Read a book with a character whose first initial can be found in the word AURORA BOREALIS.
Read a book where a character escapes from something.
Read a book with a very magnetic MC.
Read a book that you found disturbing in some way (your discretion).



message 3: by Erica, Quality Control Supervisor (last edited Oct 08, 2025 03:42AM) (new)


message 4: by Erica, Quality Control Supervisor (last edited Sep 20, 2025 06:18AM) (new)

Erica | 4712 comments Mod


Q & A


message 5: by Denise (last edited Oct 11, 2025 01:35PM) (new)

Denise | 136 comments Bonfire:

Category 1 By the Numbers
The September equinox is a seasonal milestone in Earth’s yearly orbit around the sun. At an equinox, the sun appears directly above Earth’s equator. At the September equinox, the sun is moving from north to south as it crosses above the equator. It’s bringing summer to the Southern Hemisphere and winter to the Northern Hemisphere.. The fall equinox occurs at 2:19 p.m. EDT on Monday, September 22. The tilt of Earth's axis, which is 23.5 degrees parallel to its orbit, causes the seasonal changes we experience. The axis of the planet points in the same direction as it spins around the sun.

Read a book by an author who was born in September of any year.
Read a book published between September 21 and December 21 of any year.
🍁Read a book from a series with at least 7 books in it.
Honey and Clover, Vol. 1 Chica Umino 10 Oct
Read a book that has more than 219 pages in it.
Read a book that has two of the numbers 235 in its publication date.


Category 2 Equality
The word equinox literally translates to equal (“equi-”) and night (“nox”) in Latin. But day and night aren't exactly 12 hours long on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical illusion that results in more daylight. Because of this, the date when day and night are of exactly equal length is usually a few days after the autumnal equinox.

Read a book where two characters are considered equals.
🍁Read a book with a night sky on the cover.
Man's Search for Meaning Viktor E. Frankl 9 Oct
Read a book where the MC arrives later than expected for some event.
Read a book by an author whose first name begins with a letter in EQUINOX.
Read a book in the same series you have already read a book from this year.


Category 3 Autumn Festivals
The Druid Order of London, which was founded in Oxford in 1245, has been conducting the Autumn Equinox ceremony on Primrose Hill since 1717.
There are several other celebrations associated with the fall equinox such as the neopagan festival of Mabon, a harvest festival to celebrate the gathering of crops and the bounty of the earth.
China and Vietnam celebrate the Moon or Mid-Autumn festival on the day of the Harvest moon. It celebrates the abundance of the summer harvest. Brightly lit lanterns are a big part of the festivals, and children in Vietnam wear masks. Also, traditional mooncakes filled with sweet-bean or lotus-seed paste are shared and eaten.

Read a book where an ancient ritual occurs.
Read a book set in England, China or Vietnam.
Read a book by an author whose initials can be found in the words PRIMROSE HILL.
Read a book where three numbers from 12457 can be found in the page number and/or publication date.
Read a book with a mask on the cover.


Category 4 Impact on Earth
The fall equinox affects many things on Earth, including:
Human health: Our biological circadian rhythm is influenced by daylight variations, and this can result in disruptions to our sleep and mood patterns. Seasonal affective disorder, or SAD, is possible for some.
Changes in animal behavior: To survive the upcoming winter, many animal species adapt their feeding patterns, migrate or both in reaction to the equinox's changing light conditions.
The agricultural industry: To ensure food storage for the winter, farmers gather crops according to the timing of the fall equinox, which traditionally marks the beginning of the harvest season.

Read a book where a character's sleep is disrupted.
Read a book with a harvest in it.
Read a book with a MC who is depressed.
Read a book where a character relocates a long distance from their original home.
Read a book whose author's initials can be found in the word FARMER.


Category 5 Differences and Discrepancies
Although some people call the autumnal equinox the "official" start of fall, no administrative or political organization actually designates that. In fact, though astronomers say summer ends Sept. 22, meteorologists and climatologists say summer already ended in our hemisphere on Aug. 31, the final day of the hottest month of the year.
Although the autumnal equinox is generally Sept. 22 or 23, occasionally it falls on Sept. 21 or 24. That's because the calendar used in the West (the Gregorian calendar) defines a year as 365 days, or the length of time it takes for Earth to orbit the sun.
In actuality, Earth takes 365.25 days to go around the sun. So, this means that the September equinox will be six hours later than it was the year before. (The inclusion of leap years sort of resets the date.) In 2092 and 2096, the autumnal equinox will be on Sept. 21. The last time it was on this date was 1000 C.E.!

Read a book where two characters disagree about an issue.
Read a book where an event is held up by at least 6 hours for some reason.
Read a book set in the fall of the year.
Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR.
Read a book with a MC who is good at math and figures.


Category 6 Oh Those Lights!
You know those beautiful displays of light in the night sky called the aurora borealis? Well, the equinox signals the start of the time you can see them, generally continuing all the way through the spring equinox each March.
Auroras are caused by the interaction of solar winds with Earth's magnetic field. The solar winds are particles of plasma escaping from the sun and into space. Due to Earth's axial tilt, the solar wind from the sun is better able to reach Earth's atmosphere through our geomagnetic field. These disturbances in Earth's magnetic field (called geomagnetic storms) are therefore at their strongest and most likely in the spring and fall, compared to summer and winter.
The particles that slam into Earth's magnetic field collide with atoms of oxygen, nitrogen, and other elements in the air. These particles eventually release photons of different wavelengths and therefore the different colors of aurora you can see in the sky.

Read a book that shows a storm on the cover.
Read a book with a character whose first initial can be found in the word AURORA BOREALIS.
Read a book where a character escapes from something.
Read a book with a very magnetic MC.
🍁Read a book that you found disturbing in some way (your discretion).
Fabric: The Hidden History of the Material World Victoria Finlay 26 Sep


message 6: by Mrs W (last edited 16 hours, 52 min ago) (new)

Mrs W Woodruff | 909 comments Autumn Equinox Challenge
September 22 - December 20

🎃 PUMPKIN - 2 Tasks per Category

4/12


Category 1 By the Numbers

The September equinox is a seasonal milestone in Earth’s yearly orbit around the sun. At an equinox, the sun appears directly above Earth’s equator. At the September equinox, the sun is moving from north to south as it crosses above the equator. It’s bringing summer to the Southern Hemisphere and winter to the Northern Hemisphere.. The fall equinox occurs at 2:19 p.m. EDT on Monday, September 22. The tilt of Earth's axis, which is 23.5 degrees parallel to its orbit, causes the seasonal changes we experience. The axis of the planet points in the same direction as it spins around the sun.

Read a book by an author who was born in September of any year.
✅Read a book published between September 21 and December 21 of any year.

Zero Day by David Baldacci
Pages: 434
Finished: 9/28/25 ⭐⭐⭐⭐⭐
Fits: Book was published October 31, 2011 which falls between September 21 and December 21

Read a book from a series with at least 7 books in it.
Read a book that has more than 219 pages in it.
Read a book that has two of the numbers 235 in its publication date.

Zero Day (John Puller, #1) by David Baldacci

Category 2 Equality

The word equinox literally translates to equal (“equi-”) and night (“nox”) in Latin. But day and night aren't exactly 12 hours long on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical illusion that results in more daylight. Because of this, the date when day and night are of exactly equal length is usually a few days after the autumnal equinox.

Read a book where two characters are considered equals.
Read a book with a night sky on the cover.
Read a book where the MC arrives later than expected for some event.
Read a book by an author whose first name begins with a letter in EQUINOX.
Read a book in the same series you have already read a book from this year.


Category 3 Autumn Festivals

The Druid Order of London, which was founded in Oxford in 1245, has been conducting the Autumn Equinox ceremony on Primrose Hill since 1717.
There are several other celebrations associated with the fall equinox such as the neopagan festival of Mabon, a harvest festival to celebrate the gathering of crops and the bounty of the earth.
China and Vietnam celebrate the Moon or Mid-Autumn festival on the day of the Harvest moon. It celebrates the abundance of the summer harvest. Brightly lit lanterns are a big part of the festivals, and children in Vietnam wear masks. Also, traditional mooncakes filled with sweet-bean or lotus-seed paste are shared and eaten.

Read a book where an ancient ritual occurs.
Read a book set in England, China or Vietnam.
Read a book by an author whose initials can be found in the words PRIMROSE HILL.

✅Read a book where three numbers from 12457 can be found in the page number and/or publication date.

Friendly Fire by Marliss Melton
Pages: 317/ebook 1002 pages
Finished 10/5/25 ⭐⭐⭐⭐⭐
Fits: 3 of the numbers can be founded in publication date - 4-27-2016


Read a book with a mask on the cover.

Friendly Fire (The Echo Platoon, #3) by Marliss Melton

Category 4 Impact on Earth

The fall equinox affects many things on Earth, including:
Human health: Our biological circadian rhythm is influenced by daylight variations, and this can result in disruptions to our sleep and mood patterns. Seasonal affective disorder, or SAD, is possible for some.
Changes in animal behavior: To survive the upcoming winter, many animal species adapt their feeding patterns, migrate or both in reaction to the equinox's changing light conditions.
The agricultural industry: To ensure food storage for the winter, farmers gather crops according to the timing of the fall equinox, which traditionally marks the beginning of the harvest season.

Read a book where a character's sleep is disrupted.
Read a book with a harvest in it.
Read a book with a MC who is depressed.
Read a book where a character relocates a long distance from their original home.
Read a book whose author's initials can be found in the word FARMER.


Category 5 Differences and Discrepancies

Although some people call the autumnal equinox the "official" start of fall, no administrative or political organization actually designates that. In fact, though astronomers say summer ends Sept. 22, meteorologists and climatologists say summer already ended in our hemisphere on Aug. 31, the final day of the hottest month of the year.
Although the autumnal equinox is generally Sept. 22 or 23, occasionally it falls on Sept. 21 or 24. That's because the calendar used in the West (the Gregorian calendar) defines a year as 365 days, or the length of time it takes for Earth to orbit the sun.
In actuality, Earth takes 365.25 days to go around the sun. So, this means that the September equinox will be six hours later than it was the year before. (The inclusion of leap years sort of resets the date.) In 2092 and 2096, the autumnal equinox will be on Sept. 21. The last time it was on this date was 1000 C.E.!

Read a book where two characters disagree about an issue.
Read a book where an event is held up by at least 6 hours for some reason.
Read a book set in the fall of the year.

✅Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR.

The Decoy Girlfriend by Lillie Vale
Pages: 304
Finished: 10/11/15 ⭐⭐
Fits: 4+ (11) letters from title can be found in GREgORIaN CaLEnDar

Read a book with a MC who is good at math and figures.

The Decoy Girlfriend by Lillie Vale


Category 6 Oh Those Lights!

You know those beautiful displays of light in the night sky called the aurora borealis? Well, the equinox signals the start of the time you can see them, generally continuing all the way through the spring equinox each March.
Auroras are caused by the interaction of solar winds with Earth's magnetic field. The solar winds are particles of plasma escaping from the sun and into space. Due to Earth's axial tilt, the solar wind from the sun is better able to reach Earth's atmosphere through our geomagnetic field. These disturbances in Earth's magnetic field (called geomagnetic storms) are therefore at their strongest and most likely in the spring and fall, compared to summer and winter.
The particles that slam into Earth's magnetic field collide with atoms of oxygen, nitrogen, and other elements in the air. These particles eventually release photons of different wavelengths and therefore the different colors of aurora you can see in the sky.

Read a book that shows a storm on the cover.

✅Read a book with a character whose first initial can be found in the word AURORA BOREALIS.

Stay Awake by Megan Goldin
Pages: 340
Finished: 10/2/25 ⭐⭐⭐⭐⭐
Fits: MC name is Liv Reese initial's can be found in AURORA BOREALIS
"Detective Halliday, this is Marcia Nichols. I'm calling from London. I heard via Scotland Yard that you might have found Liv Reese.?" p166

Read a book where a character escapes from something.
Read a book with a very magnetic MC.
Read a book that you found disturbing in some way (your discretion).


Stay Awake by Megan Goldin


message 7: by Susan (last edited Oct 08, 2025 09:22AM) (new)

Susan | 35 comments TCF's Autumnal Equinox Challenge - 09/22/25 - 12/20/25

3 tasks per category

Category 1 By the Numbers 2/3
The September equinox is a seasonal milestone in Earth’s yearly orbit around the sun.

Read a book by an author who was born in September of any year.
Read a book published between September 21 and December 21 of any year. - The Haunting of Hill House Published 10/16/1959 - Finished 10/1/25
Read a book from a series with at least 7 books in it.
Read a book that has more than 219 pages in it. - After I Do - 352pgs - Finished 9/29/25
Read a book that has two of the numbers 235 in its publication date.

Category 2 Equality 1/3
The word equinox literally translates to equal (“equi-”) and night (“nox”) in Latin.

Read a book where two characters are considered equals.
Read a book with a night sky on the cover.
Read a book where the MC arrives later than expected for some event.
Read a book by an author whose first name begins with a letter in EQUINOX.
Read a book in the same series you have already read a book from this year. - Cherry Cheesecake Murder - Finished 9/26/25

Category 3 Autumn Festivals 0/3
The Druid Order of London, which was founded in Oxford in 1245, has been conducting the Autumn Equinox ceremony on Primrose Hill since 1717.

Read a book where an ancient ritual occurs.
Read a book set in England, China or Vietnam.
Read a book by an author whose initials can be found in the words PRIMROSE HILL.
Read a book where three numbers from 12457 can be found in the page number and/or publication date.
Read a book with a mask on the cover.

Category 4 Impact on Earth 0/3
The fall equinox affects many things on Earth, including:
Human health: Our biological circadian rhythm is influenced by daylight variations, and this can result in disruptions to our sleep and mood patterns. Seasonal affective disorder, or SAD, is possible for some.


Read a book where a character's sleep is disrupted.
Read a book with a harvest in it.
Read a book with a MC who is depressed.
Read a book where a character relocates a long distance from their original home.
Read a book whose author's initials can be found in the word FARMER.

Category 5 Differences and Discrepancies 0/3
Although some people call the autumnal equinox the "official" start of fall, no administrative or political organization actually designates that.

Read a book where two characters disagree about an issue.
Read a book where an event is held up by at least 6 hours for some reason.
Read a book set in the fall of the year.
Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR.
Read a book with a MC who is good at math and figures.

Category 6 Oh Those Lights! 1/3
You know those beautiful displays of light in the night sky called the aurora borealis?

Read a book that shows a storm on the cover.
Read a book with a character whose first initial can be found in the word AURORA BOREALIS.
Read a book where a character escapes from something. - Escapes going to trial - Things You Won't Say - Finished 10/8/25
Read a book with a very magnetic MC.
Read a book that you found disturbing in some way (your discretion).


message 8: by Lanelle, Production Chief (last edited 9 hours, 23 min ago) (new)

Lanelle | 21004 comments Mod
I'm in.
Duration: 09/22/25 - 12/20/25
Pumpkin level. (1-2 tasks per category)

Category 1 - By the Numbers Read a book:
by an author who was born in September of any year
published between Sept. 21 and Dec. 21 of any year Death Is a Cabaret 9/24/25 ***
from a series with at least 7 books in it
that has more than 219 pages in it
that has two of the numbers 235 in its publication date The Spotted Dog Last Seen 10/14/25 *** (2013)


Category 2 - Equality Read a book:
where two characters are considered equals
with a night sky on the cover
where the MC arrives later than expected for some event Dinner Most Deadly 10/7 ***
by an author whose first name begins with a letter in EQUINOX
in the same series you have already read a book from this year


Category 3 - Autumn Festivals Read a book:
where an ancient ritual occurs
set in England, China or Vietnam
by an author whose initials found in PRIMROSE HILL Madam, Will You Talk? 9/23/25 ****
where 3 numbers from 12457 can be found in the pub. date The Toll-Gate 10/13/25 **** (1954)
with a mask on the cover


Category 4 - Impact on Earth Read a book:
where a character's sleep is disrupted Elly's Ghost 10/11 ****
with a harvest in it
with a MC who is depressed
where a character relocates a long distance from their original home Force 10/1 ***
whose author's initials can be found in FARMER


Category 5 - Differences and Discrepancies Read a book:
where two characters disagree about an issue
where an event is held up by at least 6 hours for some reason
set in the fall of the year
with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR Real Murders 9/22/25 ****
with a MC who is good at math and figures


Category 6 - Oh Those Lights! Read a book:
that shows a storm on the cover
with a character whose first initial can be found in AURORA BOREALIS
where a character escapes from something The Clockwork Scarab 10/1 ***
with a very magnetic MC
that you found disturbing in some way (your discretion)


message 9: by Meg (last edited Sep 26, 2025 05:01PM) (new)

Meg (makeli2) | 1776 comments Autumn Equinox
Sep 22 - Dec 20, 2025


I will start with two (2) tasks per category

Category 1 By the Numbers
The September equinox is a seasonal milestone in Earth’s yearly orbit around the sun. At an equinox, the sun appears directly above Earth’s equator. At the September equinox, the sun is moving from north to south as it crosses above the equator. It’s bringing summer to the Southern Hemisphere and winter to the Northern Hemisphere.. The fall equinox occurs at 2:19 p.m. EDT on Monday, September 22. The tilt of Earth's axis, which is 23.5 degrees parallel to its orbit, causes the seasonal changes we experience. The axis of the planet points in the same direction as it spins around the sun.

Read a book by an author who was born in September of any year.
Read a book published between September 21 and December 21 of any year.
Read a book from a series with at least 7 books in it.
Read a book that has more than 219 pages in it.
Read a book that has two of the numbers 235 in its publication date.

Category 2 Equality
The word equinox literally translates to equal (“equi-”) and night (“nox”) in Latin. But day and night aren't exactly 12 hours long on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical illusion that results in more daylight. Because of this, the date when day and night are of exactly equal length is usually a few days after the autumnal equinox.

Read a book where two characters are considered equals.
Read a book with a night sky on the cover.
Read a book where the MC arrives later than expected for some event.
Read a book by an author whose first name begins with a letter in EQUINOX.
Read a book in the same series you have already read a book from this year.

Category 3 Autumn Festivals
The Druid Order of London, which was founded in Oxford in 1245, has been conducting the Autumn Equinox ceremony on Primrose Hill since 1717.
There are several other celebrations associated with the fall equinox such as the neopagan festival of Mabon, a harvest festival to celebrate the gathering of crops and the bounty of the earth.
China and Vietnam celebrate the Moon or Mid-Autumn festival on the day of the Harvest moon. It celebrates the abundance of the summer harvest. Brightly lit lanterns are a big part of the festivals, and children in Vietnam wear masks. Also, traditional mooncakes filled with sweet-bean or lotus-seed paste are shared and eaten.

Read a book where an ancient ritual occurs.
Read a book set in England, China or Vietnam.
Read a book by an author whose initials can be found in the words PRIMROSE HILL.
Read a book where three numbers from 12457 can be found in the page number and/or publication date.
Read a book with a mask on the cover.

Category 4 Impact on Earth
The fall equinox affects many things on Earth, including:
Human health: Our biological circadian rhythm is influenced by daylight variations, and this can result in disruptions to our sleep and mood patterns. Seasonal affective disorder, or SAD, is possible for some.
Changes in animal behavior: To survive the upcoming winter, many animal species adapt their feeding patterns, migrate or both in reaction to the equinox's changing light conditions.
The agricultural industry: To ensure food storage for the winter, farmers gather crops according to the timing of the fall equinox, which traditionally marks the beginning of the harvest season.

Read a book where a character's sleep is disrupted.
Read a book with a harvest in it.
Read a book with a MC who is depressed.
Read a book where a character relocates a long distance from their original home.
Read a book whose author's initials can be found in the word FARMER.

Category 5 Differences and Discrepancies
Although some people call the autumnal equinox the "official" start of fall, no administrative or political organization actually designates that. In fact, though astronomers say summer ends Sept. 22, meteorologists and climatologists say summer already ended in our hemisphere on Aug. 31, the final day of the hottest month of the year.
Although the autumnal equinox is generally Sept. 22 or 23, occasionally it falls on Sept. 21 or 24. That's because the calendar used in the West (the Gregorian calendar) defines a year as 365 days, or the length of time it takes for Earth to orbit the sun.
In actuality, Earth takes 365.25 days to go around the sun. So, this means that the September equinox will be six hours later than it was the year before. (The inclusion of leap years sort of resets the date.) In 2092 and 2096, the autumnal equinox will be on Sept. 21. The last time it was on this date was 1000 C.E.!

Read a book where two characters disagree about an issue.
Read a book where an event is held up by at least 6 hours for some reason.
Read a book set in the fall of the year.
Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR.
Read a book with a MC who is good at math and figures.

Category 6 Oh Those Lights!
You know those beautiful displays of light in the night sky called the aurora borealis? Well, the equinox signals the start of the time you can see them, generally continuing all the way through the spring equinox each March.
Auroras are caused by the interaction of solar winds with Earth's magnetic field. The solar winds are particles of plasma escaping from the sun and into space. Due to Earth's axial tilt, the solar wind from the sun is better able to reach Earth's atmosphere through our geomagnetic field. These disturbances in Earth's magnetic field (called geomagnetic storms) are therefore at their strongest and most likely in the spring and fall, compared to summer and winter.
The particles that slam into Earth's magnetic field collide with atoms of oxygen, nitrogen, and other elements in the air. These particles eventually release photons of different wavelengths and therefore the different colors of aurora you can see in the sky.

Read a book that shows a storm on the cover.
Read a book with a character whose first initial can be found in the word AURORA BOREALIS.
Read a book where a character escapes from something.
Read a book with a very magnetic MC.
Read a book that you found disturbing in some way (your discretion).


message 10: by Elizabeth (last edited Oct 13, 2025 09:59PM) (new)

Elizabeth (aconight) | 6 comments TCF's Autumnal Equinox Challenge
Duration: 22 September - 20 December
Bonfire: 3 tasks per category

📓 - Read in September
📙 - Read in October
📕 - Read in November
📗 - Read in December

Category 1 By the Numbers (3/5)

Read a book by an author who was born in September of any year.
📙 Read a book published between September 21 and December 21 of any year.
Run & Hide: A Dark Halloween Romance (13 October)
Read a book from a series with at least 7 books in it.
📙 Read a book that has more than 219 pages in it.
The Shattered King (12 October)
📙 Read a book that has two of the numbers 235 in its publication date.
Of Swamp & Sea, Volume One (4 October)

Run & Hide A Dark Halloween Romance by Annie Wild The Shattered King (The Shattered King, #1) by Charlie N. Holmberg Of Swamp & Sea, Volume One (Of Swamp & Sea, #1) by Mia Jay Boulton

Category 2 Equality (3/5)

📙 Read a book where two characters are considered equals.
The Wolf King (5 October)
Read a book with a night sky on the cover.
📙 Read a book where the MC arrives later than expected for some event.
Arcana Academy (5 October)
📙 Read a book by an author whose first name begins with a letter in EQUINOX.
Beauty & Rage (7 October)
Read a book in the same series you have already read a book from this year.

The Wolf King (Wolf King, #1) by Lauren Palphreyman Arcana Academy (Arcana Academy, #1) by Elise Kova Beauty & Rage (Broken Crowns #1) by Natalie Bennett


Category 3 Autumn Festivals (1/5)

📙 Read a book where an ancient ritual occurs.
The Night Prince (9 October)
Read a book set in England, China or Vietnam.
Read a book by an author whose initials can be found in the words PRIMROSE HILL.
Read a book where three numbers from 12457 can be found in the page number and/or publication date.
Read a book with a mask on the cover.

The Night Prince (Wolf King, #2) by Lauren Palphreyman

🍁 Category 4 Impact on Earth (5/5) (view spoiler)

The Knight and the Moth (The Stonewater Kingdom, #1) by Rachel Gillig Dark Harvest by Norman Partridge Fairydale by Veronica Lancet The Poisoner by I.V. Ophelia The Savage and the Swan (Fated Fae) by Ella Fields

Category 5 Differences and Discrepancies (3/5)

📙 Read a book where two characters disagree about an issue.
The Last Witch (8 October)
Read a book where an event is held up by at least 6 hours for some reason.
📓 Read a book set in the fall of the year.
Hollow (23 September)
Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR.
📓 Read a book with a MC who is good at math and figures.
The Poisoner's Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York (27 September)

The Last Witch by C.J. Cooke Hollow (A Gothic Shade of Romance, #1) by Karina Halle The Poisoner's Handbook Murder and the Birth of Forensic Medicine in Jazz Age New York by Deborah Blum

Category 6 Oh Those Lights! (4/5)

Read a book that shows a storm on the cover.
📙 Read a book with a character whose first initial can be found in the word AURORA BOREALIS.
Sweet Briar (11 October)
📓 Read a book where a character escapes from something.
You Better Watch Out (30 September)
📙 Read a book with a very magnetic MC.
Headless Hollow (1 October)
📓 Read a book that you found disturbing in some way (your discretion)
The Unworthy (25 September)

Sweet Briar by Joline Pearce You Better Watch Out by James S. Murray Headless Hollow by Brooklyn Cross The Unworthy by Agustina Bazterrica


message 11: by LaurLa (last edited Oct 13, 2025 11:00AM) (new)

LaurLa | 3979 comments TCF's Autumnal Equinox Challenge
September 22 - December 20

My Autumnal Equinox Challenge (msg 11)

Level ❱❱ Haunted House ❱❱ 4+ tasks per section
Books read ❱❱

Category 1 By the Numbers

The Secret Fling (Original Heartbreakers Book 1) by Gena Showalter Barbarian Mine (Ice Planet Barbarians, #4) by Ruby Dixon Hal (Riding Hard #8) by Jennifer Ashley Almost a Bride (Wyoming Wildflowers, #1) by Patricia McLinn Frost Burned (Mercy Thompson, #7) by Patricia Briggs

Read a book by an author who was born in September of any year
🍂The Secret Fling

Read a book published between September 21 and December 21 of any year
🍂Barbarian Mine

☑️Read a book from a series with at least 7 books in it
🍂Hal ❱❱ 09.23 ★★★★

☑️Read a book that has more than 219 pages in it
🍂Almost a Bride ❱❱ 09.24 ★★★

☑️Read a book that has two of the numbers 235 in its publication date
🍂Frost Burned ❱❱ 09.26 ★★★★


Category 2 Equality

Die Judge Die by Una Tiers Protecting Truth (The Seraphina Parrish Trilogy, #2) by Michelle Warren Being Me (Inside Out, #2) by Lisa Renee Jones Enemy at the Wedding by Emily Senecal Christmas with a SEAL (Uniformly Hot SEALs, #6) by Tawny Weber

Read a book where two characters are considered equals
🍂Die Judge Die

☑️Read a book with a night sky on the cover
🍂Protecting Truth ❱❱ 09.22 ★★★

Read a book where the MC arrives later than expected for some event
🍂Being Me

Read a book by an author whose first name begins with a letter in EQUINOX
🍂Enemy at the Wedding

Read a book in the same series you have already read a book from this year
🍂Christmas with a SEAL


Category 3 Autumn Festivals

Sanctuary (Roman’s Chronicles, #1) by Ilona Andrews Belle (The Aphrodite Academy Book 1) by Blair Bancroft Between a Jock and a Hard Place by Mona Ingram The Beast (Black Dagger Brotherhood, #14) by J.R. Ward Scandalous Virtue (The Saint of Seven Dials, #0) by Brenda Hiatt

☑️Read a book where an ancient ritual occurs
🍂Sanctuary ❱❱ 10.04 ★★★★

☑️Read a book set in England, China or Vietnam
🍂Belle ❱❱ 10.08 ★★★

Read a book by an author whose initials can be found in the words PRIMROSE HILL
🍂Between a Jock and a Hard Place

Read a book where three numbers from 12457 can be found in the page number and/or publication date
🍂The Beast

Read a book with a mask on the cover
🍂Scandalous Virtue


Category 4 Impact on Earth

Wicked Lust (The Wicked Horse, #2) by Sawyer Bennett Love to Go (Take a Chance, #5) by Nancy Warren Happy After All by Maisey Yates The Bribe (Calamity Montana, #1) by Devney Perry Burns So Bad (Smoke Jumpers #3; When SEALs Come Home #1) by Anne Marsh

☑️Read a book where a character's sleep is disrupted
🍂Wicked Lust ❱❱ 10.01 ★★★★

Read a book with a harvest in it
🍂Love to Go

☑️Read a book with a MC who is depressed
🍂Happy After All ❱❱ 09.28 ★★★★

Read a book where a character relocates a long distance from their original home
🍂The Bribe

Read a book whose author's initials can be found in the word FARMER
🍂Burns So Bad


Category 5 Differences and Discrepancies

Shadowboxer (Tapped Out, #1) by Cari Quinn Nine Tailed (Realm of Four Kingdoms, #1) by Jayci Lee Fourth and Goal (Seattle Lumberjacks, #1) by Jami Davenport On Loverose Lane (Return to Dublin Street #1) by Samantha Young Irresistible In Love (The Maverick Billionaires, #4) by Bella Andre

☑️Read a book where two characters disagree about an issue
🍂Shadowboxer ❱❱ 10.11 ★★★★

Read a book where an event is held up by at least 6 hours for some reason
🍂Nine Tailed

☑️Read a book set in the fall of the year
🍂Fourth and Goal ❱❱ 10.06 ★★★

☑️Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR
🍂On Loverose Lane ❱❱ 10.03 ★★★★

Read a book with a MC who is good at math and figures
🍂Irresistible In Love


Category 6 Oh Those Lights!

Sink or Swim (Beach Kingdom, #3) by Tessa Bailey Shaken (Young Guns #1.5; The Martini Lounge #1) by Ursula Sinclair The Huntress by Dorothy McFalls Accomplice to the Villain (Assistant to the Villain, #3) by Hannah Nicole Maehrer Bloody Bones (Anita Blake, Vampire Hunter, #5) by Laurell K. Hamilton

Read a book that shows a storm on the cover
🍂Sink or Swim

☑️Read a book with a character whose first initial can be found in the word AURORA BOREALIS
🍂Shaken ❱❱ 10.08 ★★★★

Read a book where a character escapes from something
🍂The Huntress

Read a book with a very magnetic MC
🍂Accomplice to the Villain

Read a book that you found disturbing in some way
🍂Bloody Bones


message 12: by Denise, Manufacturing Director (new)

Denise (destiny_chan) | 7445 comments Mod
Autumnal Equinox Challenge
Duration: 22 September 2025 - 20 December 2025
Level: Bonfire: 3 tasks per category
Completed: 0/18


Category 1 - By the Numbers (0/3)

Read a book by an author who was born in September of any year.

Read a book published between September 21 and December 21 of any year.
Read a book from a series with at least 7 books in it.
Read a book that has more than 219 pages in it.
Read a book that has two of the numbers 235 in its publication date.


Category 2 - Equality (0/3)

Read a book where two characters are considered equals.

Read a book with a night sky on the cover.
Read a book where the MC arrives later than expected for some event.
Read a book by an author whose first name begins with a letter in EQUINOX.
Read a book in the same series you have already read a book from this year.


Category 3 - Autumn Festivals (0/3)

Read a book where an ancient ritual occurs.

Read a book set in England, China or Vietnam.
Read a book by an author whose initials can be found in the words PRIMROSE HILL.
Read a book where three numbers from 12457 can be found in the page number and/or publication date.
Read a book with a mask on the cover.


Category 4 - Impact on Earth (0/3)

Read a book where a character's sleep is disrupted.

Read a book with a harvest in it.
Read a book with a MC who is depressed.
Read a book where a character relocates a long distance from their original home.
Read a book whose author's initials can be found in the word FARMER.


Category 5 - Differences and Discrepancies (0/3)

Read a book where two characters disagree about an issue.
Read a book where an event is held up by at least 6 hours for some reason.
Read a book set in the fall of the year.
Read a book with a 4+ letter word in the title that can be spelled from the letters in GREGORIAN CALENDAR.
Read a book with a MC who is good at math and figures.


Category 6 - Oh Those Lights! (0/3)

Read a book that shows a storm on the cover.

Read a book with a character whose first initial can be found in the word AURORA BOREALIS.
Read a book where a character escapes from something.
Read a book with a very magnetic MC.
Read a book that you found disturbing in some way (your discretion).


message 13: by Lucy (new)

Lucy Luu (lovelucyluu) | 70 comments Lucy's Spot


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