Autumn equinox 2022


When is the Autumn equinox 2022?

The Autumn equinox 2022 is on Friday, September 23, 2022 (in 336 days).  Calendar for 2022
The Autumn equinox 2021 has already passed: it was on Wednesday, September 22, 2021 (30 days ago).  Calendar for 2021
Please note: The dates given on this page are based on Coordinated Universal Time (UTC), which for practical purposes is equivalent to Greenwich Mean Time (GMT). While the Autumn equinox occurs at the same moment in time all over the world, the date and local time differ from location to location depending on a location's time zone. For more details see the explanations below.



What is the Autumn equinox?

The autumn equinox marks the beginning of autumn. Photo: flickr.com/photos/flatworldsedge/5140846204The autumn equinox marks the beginning of autumn in the Northern Hemisphere
In the Northern Hemisphere, the moment in time when the Sun stands directly above the equator while crossing from the north to the south is called autumn equinox (also known as fall equinox, September equinox or southward equinox). It is the moment summer ends and autumn (fall) begins in the Northern Hemisphere (where nearly 90% of the world's population live). For the Southern Hemisphere, it is the vernal equinox (also called spring equinox) as it is the moment winter ends and spring begins.

In the Northern Hemisphere the autumn equinox occurs every year between September 21 and 24. The dates given on this page are based on Coordinated Universal Time (UTC), which for practical purposes is equivalent to Greenwich Mean Time (GMT - the time zone of the United Kingdom). While the autumn equinox occurs at the same moment in time all over the world, the date and local time differ from place to place depending on the year and a location's time zone. For locations that are ahead of UTC (further east) it may fall on the day after, and for locations that are behind UTC (further west) it may fall on the day before. To find out the exact date and time of the autumn equinox 2022 in your area use this seasons calculator.

The autumn equinox is one of four days (two equinoxes and two solstices) throughout the year that mark the beginning of a new season. The other days are the vernal equinox (beginning of spring), the summer solstice (beginning of summer) and the winter solstice (beginning of winter).

The word "equinox" is derived from Latin and means "equal night". On the day of an equinox, day and night are of approximately equal length all over the world, as the Earth's rotational axis is neither tilted away from nor towards the Sun. At all other times the length of day and night will be different.


The exact moment of the autumn equinox through the centuries
The exact moment of the autumn equinox between 1900 and 2520. Originally by Frank Klemm, de.wikipedia.org/wiki/Datei:Herbstanfang.png, Creative Commons, CC-by-sa 3.0/de
Graph demonstrating the movement (caused by leap shifting) of the exact moment of the autumn equinox between 1900 and 2520. X axis (bottom, horizontal): Calendar years, Y axis (left, vertical): day in September (21 to 23).

In a non-leap year, the moment of the autumn equinox is about 5 hours 49 minutes after that moment in the previous year (in UTC), and in a leap year it is about 18 hours 11 minutes before that moment in the previous year, as can be seen in this graph. In this way the time of the autumn equinox constantly shifts back and forth so it always stays between September 21 and 24. This four year cycle is clearly visible in the graph.

To adjust for the gradual movement backwards on the calendar (as visible for the period 1900 to 2099), in years divisible by 100 (1900, 2100, 2200, 2300 and 2500 on the graph), which should be leap years as they are divisible by 4, the leap day is omitted (except when they are divisible by 400, eg. 2000 and 2400) and the moment of the autumn equinox moves forward in time compared to the same moment in the year before.

Further reading:

Overview: seasons, equinoxes and solstices

Dates shown apply to the Northern Hemisphere and are based on UTC (GMT)
Season Start End
Spring Spring equinox
(vernal equinox, March equinox)
March 19 to 21
Summer solstice
(June solstice)
June 20 to 22
Summer Summer solstice
(June solstice)
June 20 to 22
Autumn equinox
(Fall equinox, September equinox)
September 21 to 24
Autumn
(Fall)
Autumn equinox
(Fall equinox, September equinox)
September 21 to 24
Winter solstice
(December solstice)
December 20 to 23
Winter Winter solstice
(December solstice)
December 20 to 23
Spring equinox
(vernal equinox, March equinox)
March 19 to 21

When is the Autumn equinox 2023?

The Autumn equinox 2023 is on Saturday, September 23, 2023 (in 701 days).  Calendar for 2023

Dates for the Autumn equinox from 2017 to 2027

The next occurrence of the Autumn equinox is marked in red.

When is ...? Date      Day of the week      Days away     
Autumn equinox 2017      September 22, 2017      Friday      1491 days ago
Autumn equinox 2018      September 23, 2018      Sunday      1125 days ago
Autumn equinox 2019      September 23, 2019      Monday      760 days ago
Autumn equinox 2020      September 22, 2020      Tuesday      395 days ago
Autumn equinox 2021      September 22, 2021      Wednesday      30 days ago
Autumn equinox 2022      September 23, 2022      Friday      in 336 days
Autumn equinox 2023      September 23, 2023      Saturday      in 701 days
Autumn equinox 2024      September 22, 2024      Sunday      in 1066 days
Autumn equinox 2025      September 22, 2025      Monday      in 1431 days
Autumn equinox 2026      September 23, 2026      Wednesday      in 1797 days
Autumn equinox 2027      September 23, 2027      Thursday      in 2162 days
Data provided 'as is' without warranty

Autumn equinox 2022 Dates of the Autumn equinox 2022 and surrounding years as downloadable image file




Printable 2022 Calendars


Calendar templates 2022 for Word, Excel and PDF
Calendar templates 2022 for Word, Excel and PDF

2022 calendar as templates for
Word, Excel and PDF

A selection of calendar templates for 2022 in landscape and portrait orientation and with US federal holidays, suitable for a variety of applications.

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Dates of other holidays, events and celebrations

US federal holidays
New Year's Day
Martin Luther King Day (MLK Day)
Presidents' Day
    (Washington's Birthday)
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Juneteenth
Independence Day (4th of July)
Labor Day
Columbus Day
Veterans Day
Thanksgiving Day
Christmas Day

Canadian holidays
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Australian holidays
ANZAC Day

The seasons
Spring
Vernal equinox (spring equinox,
March equinox)
Summer
Summer solstice (June solstice)
Autumn / Fall
Autumn equinox (fall equinox,
September equinox)
Winter
Winter solstice (December solstice)

Christian (and related)
Advent
Advent Sunday
All Hallows' Eve
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Candlemas
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Epiphany Eve
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First day of Lent
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Halloween
Holy Friday
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Holy Week
Jesus' Birthday
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Lent
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Orthodox Easter
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Twelve Days of Christmas
Twelfth Night
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Other days
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Native American Day
New Year's Day
New Year's Eve
Panic Saturday (Super Saturday)
Parents' Day
Star Wars Day
Samhain
Small Business Saturday
Summer time
Super Saturday (Panic Saturday)
Teacher Appreciation Day
Teacher Appreciation Week
Valentine's Day
World Environment Day
World Teachers' Day



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