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Bidding Information
Lot #    7405
Auction End Date    6/8/2004 1:42:00 PM (mm/dd/yyyy)
Title Information
Title (English)    One Hundred Forty Seven Year Calendar Calculation
Title (Hebrew)   
Author    [Unrecorded]
City    Amsterdam (?)
Publication Date    1680
Collection Information
Independent Item    This listing is an independent item not part of any collection
Description Information
   Only edition. [6] pp., 180:140 mm., age staining, chipped on edges, not bound.
Paragraph 1    These pages are not recorded in standard Hebrew bibliographic works. Nor are they recorded as part of a larger work. They appear to have been issued independently to be used for calendar calculations. If the latter case, these table are ephemera, which is generally not retained and therefore quite rare.
   Series of tables for calculating when Rosh Hodesh and festivals occur in the Jewish year for one hundred forty seven years. There is an introductory text page which begins . It informs that the tables are for determining Rosh Hodesh, festivals, and fast days. They can be utilized to find the day of the week on which these appointed times occur. The writer then tells which charts are to be used and supplies instructions on how to read the charts, using the current year, " (1680) as an example. Following paragraphs are on the molad (conjunction of the moon with the sun, the point in time at which the moon is directly between the earth and the sun prior to the new moon) and on tekufot (seasons).

The other five pages are comprised of three tables. The first, made up of 10x15 rows, has entries for 147 years (there are three blank boxes) from 1680 to 1826 (). Under each year is a Hebrew letter, which is to be used in conjunction with the other tables. Two tables are for intercalculated years and two for years not requiring an adjustment, reflecting the fact that the Jewish year is lunisolar, and thus requires periodic adjustment so that the seasons and festivals remain relatively constant.

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Listing Classification
17th Century:    Checked
Germany:    Checked
Holland:    Checked
Other:    Calendar
Language:    Hebrew
Manuscript Type
Kind of Judaica