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| | CATHOLIC ENCYCLOPEDIA: Jewish Calendar |
 | | As in our ecclesiastical calendar, the days of the Jewish week are numbered, not named. |
 | | In the present day, and for many centuries, this very primitive manner of fixing the beginning of the month has given way to a systematic calculation of the latter's duration, and the Jewish calendar is now constructed on the basis of a mean lunation of 29 days, 12 hours, 44 min., and 30 sec. |
 | | It is plain, therefore, that the Jewish year has long been, and still is, a luni-solar year. |
| www.newadvent.org /cathen/03166a.htm (1098 words) |
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