First Day of Spring 2023


When is the First Day of Spring 2023?

The First Day of Spring 2023 is on Monday, March 20, 2023 (in 49 days).  Calendar for 2023
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 Spring starts and ends at the same moment in time all over the Northern Hemisphere, the date of the First Day of Spring differs from location to location depending on a location's time zone. For more details see the explanations below.
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What is the First Day of Spring?

Spring flowers. Photo: Moyan Brenn, flickr.com/photos/aigle_dore/15610551403Spring flowers
The first day of spring marks the beginning of the spring season, one of the four seasons that make up the year.

Astronomical first day of spring vs. meteorological first day of spring

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

Astronomical first day of spring

In the astronomical calendar the start and end dates of spring 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 winter ends and spring starts at the moment of the March equinox, which occurs every year between March 19 and March 21. Spring ends and summer starts at the moment of the June solstice, which occurs every year between June 20 and June 22. In the Southern Hemisphere spring lasts from the September equinox (September 21 to 24) to the December solstice (December 20 to 23).

The start and end dates for spring given on this page are the dates of astronomical spring in the Northern Hemisphere and 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 spring 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 spring 2023 in your area use this seasons calculator.

Meteorological first day of spring

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 spring is generally defined as the three months of March, April and May, with the first day of spring being March 1 and the last day fo spring being May 31.

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

Further reading:

Comparison table: meteorological spring vs. astronomical spring

Dates shown apply to the Northern Hemisphere and are based on UTC (GMT)
Sea­son Start End
Mete­oro­logi­cal Astro­nomi­cal Mete­oro­logi­cal Astro­nomi­cal
Spring March 1 March 19 to 21
Spring equi­nox
(vernal equi­nox, March equi­nox)
May 31 June 20 to 22
Summer sols­tice
(June sols­tice)
Sum­mer June 1 June 20 to 22
Summer solstice
(June solstice)
August 31 Septem­ber 21 to 24
Autumn equi­nox
(Fall equi­nox, Septem­ber equi­nox)
Au­tumn
(Fall)
Sep­tem­ber 1 Septem­ber 21 to 24
Autumn equi­nox
(Fall equi­nox, Septem­ber equi­nox)
Novem­ber 30 Decem­ber 20 to 23
Winter sols­tice
(Decem­ber sols­tice)
Winter Decem­ber 1 Decem­ber 20 to 23
Winter sols­tice
(De­cem­ber sols­tice)
February 28 (29) March 19 to 21
Spring equi­nox
(vernal equi­nox, March equi­nox)

When is the First Day of Spring 2024?

The First Day of Spring 2024 is on Wednesday, March 20, 2024 (in 415 days).  Calendar for 2024

Dates for the First Day of Spring from 2018 to 2028

The next occurrence of the First Day of Spring is marked in red.

When is ...? Date      Day of the week      Days away     
First Day of Spring 2018      March 20, 2018      Tuesday      1776 days ago
First Day of Spring 2019      March 20, 2019      Wednesday      1411 days ago
First Day of Spring 2020      March 20, 2020      Friday      1045 days ago
First Day of Spring 2021      March 20, 2021      Saturday      680 days ago
First Day of Spring 2022      March 20, 2022      Sunday      315 days ago
First Day of Spring 2023      March 20, 2023      Monday      in 49 days
First Day of Spring 2024      March 20, 2024      Wednesday      in 415 days
First Day of Spring 2025      March 20, 2025      Thursday      in 780 days
First Day of Spring 2026      March 20, 2026      Friday      in 1145 days
First Day of Spring 2027      March 20, 2027      Saturday      in 1510 days
First Day of Spring 2028      March 20, 2028      Monday      in 1876 days
Data provided 'as is' without warranty

First Day of Spring 2023
Dates of the First Day of Spring 2023 and surrounding years as downloadable image file

Printable 2023 Calendars for Word, Excel and PDF


Calendar templates 2023 for Word, Excel and PDF

Free printable 2023 calendar templates

A selection of downloadable, printable calendar templates for 2023 with US federal holidays, suitable for a variety of applications. Available for Word, Excel and PDF.


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