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February 1, 2015

February 1, 2015

Posted by **mary** on Thursday, October 7, 2010 at 2:40pm.

as ours, 365 days long (without leap year). The other calendar was 270 days long, the length of a woman's

pregnancy. If both start on day one at the same time, then after how many of our years will the two calendars

begin at day one at the same time again?

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