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 2458?

Wednesday, 20 March 2458

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 2458?: Spring Equinox 2458 is on Wednesday, 20 March 2458.
What day of the week is Spring Equinox 2458?: It falls on Wednesday.
How is Spring Equinox calculated?: This event is based on the astronomical moment when the Sun crosses the celestial equator heading northward each year.