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Spring Countdown

Counting down to the spring equinox, to the minute.

First day of spring 2027 is in

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Mar 20, 20:25 UTC

Astronomical start, computed with Meeus' equinox and solstice formulas (accurate to about a minute).

When does spring start?

Astronomical spring begins at the equinox, when the Sun crosses the celestial equator and day and night are roughly equal. In the Northern Hemisphere that is the March equinox (March 19–21); in the Southern Hemisphere spring starts at the September equinox (September 22–23). Meteorologists use whole months instead: spring is March 1 in the north and September 1 in the south.

Spring equinox dates (UTC)

YearNorthern springSouthern spring
2026Mar 20, 14:46 UTCSep 23, 00:06 UTC
2027Mar 20, 20:25 UTCSep 23, 06:01 UTC
2028Mar 20, 02:17 UTCSep 22, 11:45 UTC
2029Mar 20, 08:02 UTCSep 22, 17:38 UTC
2030Mar 20, 13:52 UTCSep 22, 23:27 UTC
2031Mar 20, 19:41 UTCSep 23, 05:15 UTC

Your local date can differ by a day depending on your time zone; the countdown above converts automatically.

Frequently asked questions

When is the first day of spring 2027?

In the Northern Hemisphere, spring 2027 begins at the March equinox: Mar 20, 20:25 UTC.

Why does the equinox date change?

A calendar year is not exactly the length of a solar year, so the equinox drifts by about six hours each year and leap days pull it back.

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