Days of the Omer 1645 / סְפִירַת הָעוֹמֶר 5405

7 weeks from the second night of Pesach to the day before Shavuot ㊾

Days of the Omer for Hebrew Year 5405 began on and ended on .

Counting of the Omer (or Sefirat Ha’omer, Hebrew: ספירת העומר) is a verbal counting of each of the forty-nine days between the Jewish holidays of Passover and Shavuot. This mitzvah derives from the Torah commandment to count forty-nine days beginning from the day on which the Omer, a sacrifice containing an omer-measure of barley, was offered in the Temple in Jerusalem, up until the day before an offering of wheat was brought to the Temple on Shavuot. The Counting of the Omer begins on the second day of Passover (the 16th of Nisan) for Rabbinic Jews, and after the weekly Shabbat during Passover for Karaite Jews, and ends the day before the holiday of Shavuot, the ‘fiftieth day.’.

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Dates for Days of the Omer

HolidayStartsEndsHebrew Dates
Days of the Omer 1642 16 Nisan - 5 Sivan 5402
Days of the Omer 1643 16 Nisan - 5 Sivan 5403
Days of the Omer 1644 16 Nisan - 5 Sivan 5404
Days of the Omer 1645 16 Nisan - 5 Sivan 5405
Days of the Omer 1646 16 Nisan - 5 Sivan 5406
Days of the Omer 1647 16 Nisan - 5 Sivan 5407
Days of the Omer 1648 16 Nisan - 5 Sivan 5408
Days of the Omer 1649 16 Nisan - 5 Sivan 5409
Days of the Omer 1650 16 Nisan - 5 Sivan 5410
Days of the Omer 1651 16 Nisan - 5 Sivan 5411
Days of the Omer 1652 16 Nisan - 5 Sivan 5412

References

The Jewish Holidays: A Guide & Commentary (paid link)
Rabbi Michael Strassfeld
“Counting of the Omer” in Wikipedia: The Free Encyclopedia
Wikimedia Foundation Inc.
Books (paid links)

Counting the Omer
by Min Kantrowitz

Sefer Yetzirah
by Aryeh Kaplan

Toward Sinai
by Rachel Barenblat

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