The Society: Religion and Spirituality: Judaism: Holidays and Observances: (Chanukkah Holidays and Observances )

An eight day festival beginning on the 25th day of the Jewish month of Kislev. It is known as the Festival of Lights. It takes place in November or December. Chanukkah Holidays and Observances Judaism Religion and Spirituality Society.

The festival is observed by the kindling of the lights of a unique candelabrum, the nine-branched menorah (also called a Chanukiah / Hanukiah ), one additional light on each night of the holiday, progressing to eight on the final night. (wikipedia)