A 09:36 99-06-28 -0700, Peter_Constable@sil.org a écrit :
>
>
>I always thought that a week was 7 days because that was the duration of
each of
>4 phases of the moon.
[Alain] Right, but dividing into 4 was arbitrary and is a Jewish tradition
that the Christians and the Muslims inherited. 28 days is less arbitrary.
It's the full moon cycle.
The Aztecs divided the year in 18 months of 20 days, and one malefic month
of 5 days. Odd but true. For them the most important cycle was the sun's.
Alain LaBonté
Québec
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