February 29, 2012 represents a “leap day” that helps keep the calendar in tune with the Earth’s orbit around the sun that takes 365 days, 5 hours, 49 minutes, and 16 seconds.
Read the original here:
Leap Days and Leap Seconds
February 29, 2012 represents a “leap day” that helps keep the calendar in tune with the Earth’s orbit around the sun that takes 365 days, 5 hours, 49 minutes, and 16 seconds.
Read the original here:
Leap Days and Leap Seconds
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