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Leap years and why we need them

Leap years and why we need them
It's a leap year which means there's an extra day in the calendar - 29 February 2020. But why do we need it?

from BBC News - World https://ift.tt/2T4hbmU

via Blogger https://ift.tt/386bIjJ
February 28, 2020 at 06:07AM

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