when did days,weeks,months,years come into use?

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2007-09-18 13:35:03 · 3 answers · asked by John W 1 in Science & Mathematics ➔ Medicine

No one exactly knows but you may check here:
http://www.ernie.cummings.net/calendar.htm#ORG
http://scienceworld.wolfram.com/astronomy/Calendar.html

2007-09-18 14:09:54 · answer #1 · answered by ♥ lani s 7 · 0⤊ 0⤋

At least as early as biblical times as you find those mentioned in the bible. Probably earlier, from the time people started studying astronomy.

2007-09-18 21:58:47 · answer #2 · answered by ydnem1 2 · 0⤊ 0⤋

wrong categorie

2007-09-22 19:58:32 · answer #3 · answered by Anonymous · 0⤊ 0⤋