Autumn 2017


When is Autumn 2017?

Autumn 2017 started on Friday, September 22, 2017 (61 days ago) and ends on Thursday, December 21st 2017 (in 29 days).  2017 Calendar

What is Autumn?

Autumn dawn. Photo: flickr.com/photos/jamesjordan/1531979022Autumn dawn
Autumn, usually called fall in North America, is one of the four seasons that make up the year. It is the intervening period between the warmest time of the year, summer, and the coldest time of the year, winter.

Astronomical autumn vs. meteorological autumn

There are various ways to define the start and end dates of autumn. The two most commonly used ones are based on the astronomical calendar and the meteorological calendar. Astronomical and meteorological autumn start and end on different dates.

Astronomical autumn

In the astronomical calendar the start and end dates of autumn are based on the changing position of Earth in relation to the sun and the resulting solar events of equinoxes and solstices. In the Northern Hemisphere summer ends and autumn starts at the moment of the September equinox, which occurs every year on September 21 to 23. Autumn ends and winter starts at the moment of the December solstice, which occurs every year between December 20 and December 23. In the Southern Hemisphere autumn lasts from the March equinox (March 19 to 21) to the June solstice (June 20 to 22).

The start and end dates for autumn given on this page are the dates of astronomical autumn in the Northern Hemisphere and are based on Coordinated Universal Time (UTC), which for practical purposes is equivalent to Greenwich Mean Time (GMT). While autumn starts and ends at the same moment in time all over the Northern Hemisphere, 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 autumn 2017 in your area use this seasons calculator.

Meteorological autumn

Meteorologists, on the other hand, define seasons based on climatic conditions and the annual temperature cycle. It is important for them to be able to compare the same period of time in different years. The length of the astronomical seasons varies between 89 and 93 days, while the length of the meteorological seasons is less variable and is fixed at 90 days for winter in a non-leap year (91 days in a leap year), 92 days for spring and summer, and 91 days for autumn. While the exact definition of a season's timing and length can differ in different areas based on local conditions, in most of the Northern Hemisphere meteorological autumn is generally defined as the three months of September, October and November, with the season starting on September 1 and ending on November 30.

There is no "official rule" which definition of autumn to use, and different countries adhere to different conventions. Most of North America and Europe use astronomical autumn, while Australia and New Zealand use meteorological autumn (however, as these countries are in the Southern Hemisphere, the seasons are opposed and autumn there lasts from March to May). In other cultures, eg. in the traditional Chinese calendar and in Celtic traditions, the September equinox is considered to be roughly the middle of autumn.

Comparison table: astronomical autumn vs. meteorological autumn

Dates shown apply to the Northern Hemisphere
Season Start End
Meteorological Astronomical Meteorological Astronomical
Spring March 1 spring equinox
March 19 to 21
May 31 summer solstice
June 20 to 22
Summer June 1 summer solstice
June 20 to 22
August 31 autumnal equinox
September 21 to 23
Autumn September 1 autumnal equinox
September 21 to 23
November 30 winter solstice
December 20 to 23
Winter December 1 winter solstice
December 20 to 23
February 28 (29) spring equinox
March 19 to 21

For more information see Autumn on Wikipedia.

When is Autumn 2018?

Autumn 2018 starts on Sunday, September 23, 2018 (in 304 days) and ends on Friday, December 21st 2018 (in 394 days).  2018 Calendar

Dates for Autumn from 2010 to 2025

The next occurrence of Autumn is marked in red.

Year Autumn starts on Autumn ends on
Autumn 2010      Thursday, September 23, 2010      Tuesday, December 21, 2010
Autumn 2011      Friday, September 23, 2011      Thursday, December 22, 2011
Autumn 2012      Saturday, September 22, 2012      Friday, December 21, 2012
Autumn 2013      Sunday, September 22, 2013      Saturday, December 21, 2013
Autumn 2014      Tuesday, September 23, 2014      Sunday, December 21, 2014
Autumn 2015      Wednesday, September 23, 2015      Tuesday, December 22, 2015
Autumn 2016      Thursday, September 22, 2016      Wednesday, December 21, 2016
Autumn 2017      Friday, September 22, 2017      Thursday, December 21, 2017
Autumn 2018      Sunday, September 23, 2018      Friday, December 21, 2018
Autumn 2019      Monday, September 23, 2019      Sunday, December 22, 2019
Autumn 2020      Tuesday, September 22, 2020      Monday, December 21, 2020
Autumn 2021      Wednesday, September 22, 2021      Tuesday, December 21, 2021
Autumn 2022      Friday, September 23, 2022      Wednesday, December 21, 2022
Autumn 2023      Saturday, September 23, 2023      Friday, December 22, 2023
Autumn 2024      Sunday, September 22, 2024      Saturday, December 21, 2024
Autumn 2025      Monday, September 22, 2025      Sunday, December 21, 2025
Data provided 'as is' without warranty

Autumn 2017 Dates of Autumn 2017 and surrounding years
as downloadable image file




Printable 2017 Calendars


Calendar templates 2017 for Word, Excel & PDF
Calendar templates 2017 for Word, Excel & PDF

2017 calendar as templates for
Word, Excel & PDF

A selection of calendar templates for 2017 in landscape and portrait orientation and with US federal holidays, suitable for a variety of applications.

2017 calendar templates for Word
2017 calendar templates for Excel
2017 calendar templates for PDF

Dates of other holidays, events and celebrations

Christian (and related)
Advent
Advent Sunday
All Saints' Day
All Souls' Day
Ascension Day
Ash Wednesday
Black Saturday
Boxing Day
Bright Saturday
Bright Week
Candlemas
Christmas
Christmas Day
Christmas Eve
Christmastide
Corpus Christi
Easter
Easter Day
Easter Eve
Easter Friday
Easter Monday
Easter Saturday
Easter Sunday
Eastertide
Easter Week
Easter Weekend
Epiphany
Epiphany Eve
Fat Tuesday
First day of Lent
Good Friday
Holy Friday
Holy Saturday
Holy Thursday
Holy Week
Jesus' Birthday
Lazarus Saturday
Lent
Mardi Gras
Maundy Thursday
Orthodox Easter
Palm Sunday
Pancake Day
Pascha
Pentecost
Pentecost Sunday
Pentecost Monday
Shrove Monday
Shrove Tuesday
St. Andrew's Day
St. David's Day
St. George's Day
St. Patrick's Day
St. Stephen's Day
Theophany
Three Kings Day
Trinity Sunday
Twelve Days of Christmas
Twelfth Night
Whit Sunday
Whit Monday
US federal holidays
New Year's Day
Martin Luther King Day
Presidents' Day
    (Washington's Birthday)
Memorial Day
Independence Day
Labor Day
Columbus Day
Veterans Day
Thanksgiving Day
Christmas Day

Australian holidays
ANZAC Day

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

Other days
April Fools Day
Armed Forces Day
Cinco de Mayo
Constitution Day
Daylight Saving Time
Day of the Dead
Día de los Muertos
Earth Day
Father's Day
Flag Day
Halloween
Indigenous Peoples' Day
International Women's Day
Mother's Day
Native American Day
New Year's Day
New Year's Eve
Star Wars Day
Samhain
Summer Time
Teacher Appreciation Day
Teacher Appreciation Week
Valentine's Day
World Environment Day
World Teachers' Day

... and more coming!

Calendars for 2017

Looking for calendars for 2017? We have a large variety of calendar templates for Word, Excel & PDF to download and print. See our list of all calendar templates.

Word templates for 2017
2016     2018     2019     2020     
Excel templates for 2017
2016     2018     2019     2020     
PDF templates for 2017
2016     2018     2019     2020     

Other calendars for 2017:
Yearly calendars 2017
Weekly calendars 2017
Fiscal calendars 2017
Two year calendars 2017/18
Three year calendars 2017/18/19
Split year calendars 2017/18
School calendars 2017/18
Academic calendars 2017/18
Photo calendars 2017
Monthly calendars 2017:
January February March
April May June
July August September
October November December

Yearly Calendars 2017 for:
Australia
Canada
United Kingdom
Other calendars:
Weekly schedules
Birthday calendars
Blank calendars
Perpetual calendars
Perpetual photo calendars

Have you discovered a mistake?
Every one of the calendar templates on this website has been checked for accuracy. However, despite our best efforts, errors have a way of creeping in. That's where we need your help! If you find a mistake, or come across a problem of any kind (no matter how small), please do let us know. We'll correct mistakes as soon as possible. Thank you!
Calendar templates
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Monthly calendars 17/18
Oct  Nov  Dec  Jan  Feb  Mar  
Weekly calendars
Word: 2017   2018  / 2016
Excel:  2017   2018  / 2016
PDF: 2017   2018  / 2016
Weekly schedules
Word   Excel   PDF
Split year calendars 17/18
Word   Excel   PDF
School calendars 17/18
Word   Excel   PDF
Academic calendars 17/18
Word   Excel   PDF
Fiscal calendars 2018
Word   Excel   PDF
2 year calendars 17/18
Word   Excel   PDF
3 year calendars 17-19
Word   Excel   PDF
Photo calendars 2017
Word   Excel   PDF
Birthday calendars
Word   Excel   PDF
Blank calendars
Word   Excel   PDF
Calendars Australia
Word: 2017   2018  / 2016
Excel:  2017   2018  / 2016
PDF: 2017   2018  / 2016
Calendars Canada
Word: 2017   2018  / 2016
Excel:  2017   2018  / 2016
PDF: 2017   2018  / 2016
Online Calendars
Yearly Calendars
2017    2018    2019   /  2016
US Federal Holidays
2017    2018    2019   / 2016
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