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The Hebrew months

The Torah counts Nisan, the month of the Exodus, as the first month. The year itself is counted from Tishrei, which is why Rosh Hashanah is in the seventh month.

1. Nisan ניסן

   30 days · Sign: the lamb

   • Passover, 15 to 21 or 22 Nisan
   • 11 Nisan, the Rebbe’s birthday

2. Iyar אייר

   29 days · Sign: the ox

   • Pesach Sheni, 14 Iyar
   • Lag BaOmer, 18 Iyar

3. Sivan סיון

   30 days · Sign: the twins

   • Shavuot, 6 and 7 Sivan

4. Tammuz תמוז

   29 days · Sign: the crab

   • 3 Tammuz, the Rebbe’s yahrzeit
   • 12 and 13 Tammuz, the Previous Rebbe’s release
   • Fast of 17 Tammuz

5. Av אב

   30 days · Sign: the lion

   • Tisha B’Av, 9 Av
   • Tu B’Av, 15 Av

6. Elul אלול

   29 days · Sign: the maiden

   • The month of preparation for the High Holidays
   • 18 Elul, the birthdays of the Baal Shem Tov and the Alter Rebbe

7. Tishrei תשריThis month

   30 days · Sign: the scales

   • Rosh Hashanah, 1 and 2 Tishrei
   • Yom Kippur, 10 Tishrei
   • Sukkot, from 15 Tishrei
   • Shemini Atzeret and Simchat Torah

8. Cheshvan חשון

   29 or 30 days · Sign: the scorpion

   • No holidays
   • 20 Cheshvan, the birthday of the fifth Rebbe of Chabad

9. Kislev כסלו

   29 or 30 days · Sign: the archer

   • 9 Kislev, the birthday and yahrzeit of the second Rebbe of Chabad
   • 19 Kislev, the Alter Rebbe’s release
   • Chanukah begins on 25 Kislev

10. Tevet טבת

    29 days · Sign: the goat

    • Chanukah ends
    • Fast of 10 Tevet

11. Shevat שבט

    30 days · Sign: the water-bearer

    • 10 Shevat, the Previous Rebbe’s yahrzeit and the day the Rebbe accepted leadership
    • Tu BiShvat, 15 Shevat

12. Adar אדר

    29 days · Sign: the fish

    • Fast of Esther, 13 Adar
    • Purim, 14 Adar
    • Shushan Purim, 15 Adar

For this year’s dates see the holidays, or the date converter to turn one date into another.