Noon on the Vernal Equinox

1-Analemma-S1-VernalEquinox

 

The vernal equinox is March 20. Spring begins for the northern hemisphere at the precise moment when the Sun is centered on the celestial equator, zero degrees in declination, the midpoint between the north and south celestial poles. Every location in the world will experience 12 hours of daylight and 12 hours of nighttime…. except the North and South Poles, where the Sun will appear on the horizon, circling for 24 hours.

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