The Hebrew calendar is a lunisolar calendar — months follow the moon, but the year is corrected to stay aligned with the solar seasons. That means Jewish holidays fall on fixed Hebrew dates but shift around on the Gregorian (Western) calendar by up to a month year-to-year. This page is a quick reference for clergy, Jewish day schools, observant families, and anyone planning around the Jewish year.
Apollo's Templates calendar generators currently auto-mark US federal holidays and major Christian observances (Easter, Christmas) but don't yet auto-compute Hebrew dates. Use the Yearly Event Calendar or Year at a Glance and write the holidays from the table below into the right Gregorian dates. For exact dates each year, the open-source Hebcal is the standard reference.
Major Jewish holidays at a glance
Rosh Hashanah
Jewish New Year. Two days, civil year begins. Autumn (Sep/Oct).
Yom Kippur
Day of Atonement. The most solemn day. 25-hour fast. 10 days after Rosh Hashanah.
Sukkot
Feast of Tabernacles. 7-day harvest festival, sukkah huts. Begins 5 days after Yom Kippur.
Shemini Atzeret / Simchat Torah
Conclusion of Sukkot. Celebration of completing the Torah reading cycle.
Hanukkah
Festival of Lights. 8 nights of candle-lighting. Falls in late November to late December.
Tu B'Shevat
New Year for Trees. Late January / early February.
Purim
Commemorates rescue from the Persian empire (Book of Esther). Costumes, gifts. Late February / March.
Passover (Pesach)
8-day festival commemorating the Exodus from Egypt. Seder meals on first nights. March / April.
Yom HaShoah
Holocaust Remembrance Day. April.
Yom Ha'atzmaut
Israeli Independence Day. April / May.
Lag B'Omer
33rd day of the Omer counting between Passover and Shavuot. May.
Shavuot
Celebrates the giving of the Torah. 7 weeks after Passover. May / June.
Tisha B'Av
Day of mourning for the destruction of the Temples. Fast day. July / August.
Dates and observance details vary across Reform, Conservative, and Orthodox traditions, especially for second-day observance outside Israel. Consult your community or a dated source like Hebcal for the exact Gregorian date in any given year.