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Spring Equinox Tomorrow


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Tomorrow is a big day in the astronomy world.

At 9:37 GMT, occurs the vernal, or spring equinox, as the sun will pass the celestial equator, crossing from the south to north hemisphere.

No matter where you live on earth, the sun will rise due east and set due west.

(Unless, of course, you are at the north or south pole, where there is no east or west).


A commonly stated error is that there will be precisely as much time in daylight and darkness.

That is not true because since the earth's atmosphere refracts sunlight giving us about eight mins more daylight at the equinox.

The day of exact equal daylight and darkness is always a few days earlier.

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