Astronomy, no shadow day calculator

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Fer Calderon

Created: 2013-06-15 05:32:46, Last updated: 2020-05-06 07:38:23

The day (two days on a year) on a given position (lat. and lon.) on earth, that the sun is exactly on top, generating no shadow on vertical objects.

This is a request for a calculator left by a user.

There is still no calculator created for this request. If you are interested in implementing such a calculator, please leave a comment.
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PLANETCALC, Astronomy, no shadow day calculator