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herbw t1_iz6vlbf wrote

Reply to comment by logic_is_a_fraud in TIL "The Twelve Days of Christmas" STARTS on Christmas Day, and ends of January 5th (Three Kings Day). by HauntedHippie

6 plus 31 days in Dec. is 37. Minus 12 is 25 Dec.

But on a leap year it's 1 day later, every 4 yrs. Except years ending as 2000, when it's leap year. So Xmas, slowly precesses 1 day every 400 thru the constellations. So eventually Xmas and winter will not be when Orion is in the sky. Peculiar.

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