Jewish Calendar

Sacred days in Judaism

jewish man

Sacred days play a part in most religions around the world and Judaism is no different. These are special days and times, when people often stop working, that inform Jewish beliefs and religious practices. Sacred days are a chance for the believing community to gather together to remember what YHWH has said or done. Many Jewish holidays are marked by certain foods and important activities.

In the Jewish religion, the annual calendar is significantly different from the calendar with which most Westerners are familiar. This is primarily because the calendar in Jewish history is lunar, or based on the cycles of the moon. The Gregorian calendar is solar, based on the cycles of the sun. A lunar year has twelve months of either 29 or 30 days each, which yields a 354-day year. To ensure the same festivals always fall in the same season each year, an additional month (Adar II) is added seven times in every nineteen years to make up the difference.

Determining what marks the Jewish new year is a bit complicated. Based on Exodus 12:2, Nisan is considered the first month of the year. However, the year number changes on Rosh Hashanah, which is on the first of Tishrei, the seventh month of the religious year. Then there is Tu B'Shvat (15 Shvat), which is the new year "for trees."

Different "years" in Judaism

The best way to understand this is that the Jewish calendar simply has different "years" for different purposes, just as the secular world recognizes as fiscal year, a school year and a calendar year. The bottom line: Nisan is the first month on the Jewish calendar and Rosh Hashanah (on 1 Tishrei) is the "Jewish New Year."

The year number on a Jewish calendar is based on a traditional date of creation, based on adding up the geneaologies in the Tanakh. The Jewish year 5764 began on September 27, 2003.

For convenience, many Jews use the Christian dating of years, but with the designation CE (Common or Christian Era) instead of AD (anno domini, "in the year of our Lord"). To use the latter expression, even in abbreviation, would be to falsely (and blasphemously) imply faith in Jesus as Lord.

Jewish Months

Each Jewish month begins with the new moon, which is called the Rosh Khodesh (Head of the Month). Rosh Khodesh was a major holiday in the First Temple period, celebrated with special sacrifices and feasts, but it was downgraded to a minor holiday after the Babylonian exile and not generally recognized today. {1}

Jewish Days

Finally, the Jewish day begins and ends at sunset. Thus the Sabbath begins not at midnight Saturday morning but on Friday at sundown and the first Hanukkah candle is lit on the night of 24 Kislev.

The months of the Jewish calendar are as follows:

  Number of Days Gregorian Equivalent Holidays in This Month
Nisan 30 March-April Passover (15th)
Iyar 29 April-May  
Sivan 30 May-June Shavuot (6th)
Tammuz 29 June-July  
Av 30 July-August Tisha b'Av (9th)
Elul 29 August-September  
Tishri 30September-October Rosh Hashanah (1st)
Yom Kippur (10th)
Sukkot (15th)
Kheshvan 29 or 30 October-November  
Kislev 29 or 30 November-December Hanukkah (25th)
Tevet 29 December-January  
Shevat 30 January-February Tu b'Shevat (15th)
Adar 29 (30 in a leap year) February-MarchPurim (14th)
Adar II (29 in a leap year) March-April Purim (14th; leap year only)

See exact dates for Jewish holidays through 2016

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However, it has recently been reclaimed by Jewish feminists as a special day for women (Robinson, Essential Judaism, 78).

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