Hanukkah Dates 2020. Hanukkah is observed for eight nights and days, starting on the 25th day of kislev according to the hebrew calendar, which may occur at any time from late november to late december in the gregorian calendar. Hanukkah is observed for eight nights and days, starting on the 25th day of kislev according to the hebrew calendar, which may occur at any time from late november to late.

In 2020, hanukkah runs from the evening of dec. This year, hanukkah will be observed from thursday, dec.