>>>Our high holiday prayer book likes the dates of Rosh Hashanah for a 20-year period or so. We have older and newer prayer books around, so I can probably produce a list from sometime in the 70's until sometime in the 20's. If you want, I can send you a list and you can see whether there's a correlation.
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>>Please, I'd be very interested in seeing it.
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>Got time this evening to type these in. Sorry for the length of the message, but I wanted to give you something that you can pop in text file and import into a table. (In fact, seeing the whole list this way has me inclined to play with it, too.) For Yom Kippur, add 9 to the date here.
Tamar, George,

If you're interested, I may try to find an algorithm to calculate Rosh Hashanah and others Jewish Holidays. My husband wrote this program while ago in Pascal..