How is Spring Equinox calculated?

This event is based on the astronomical moment when the Sun crosses the celestial equator heading northward each year.

When is Spring Equinox 2039?

Sunday, 20 March 2039

Spring Equinox marks the astronomical moment when day and night are nearly equal and the Sun crosses the celestial equator northward, signalling the start of spring in the Northern Hemisphere.

Also known as

Vernal Equinox
Northward Equinox

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Frequently asked questions

When is Spring Equinox 2039?: Spring Equinox 2039 is on Sunday, 20 March 2039.
What day of the week is Spring Equinox 2039?: It falls on Sunday.
How is Spring Equinox calculated?: This event is based on the astronomical moment when the Sun crosses the celestial equator heading northward each year.