On Monday, March 20, 2023 at 5:24 p.m. EDT (21:24 UTC), the sun will cross the equator heading north, signaling the start of spring in the northern hemisphere and fall in the southern hemisphere. Really? The sun only APPEARS to…
Month: March 2023
Clocks and Calendars on Other Worlds
What time is it on the moon? You may have read that the European Space Agency is proposing that an international organization be responsible for setting and maintaining lunar time. Why might that be necessary? And what’s wrong with good…
Tagged with: timekeeping
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