Hanukkah (Hebrew: חנוכה, alt. Chanukah), also known as the Festival of Lights, is an eight-ay Jewish holiday commemorating the rededication of the Second Temple in Jerusalem at the time of the Maccabean Revolt of the 2nd century BCE. Hanukkah is observed for eight nights, starting on the 25th day of Kislev according to the Hebrew calendar, and may occur from late November to late December on the Gregorian calendar.