First Day Of Hanukkah 2025. Hanukkah starts on the hebrew calendar date of 25 kislev. In 2024, the first day of hanukkah begins at sundown on wednesday, december 25th, and ends at sundown on thursday, january 2nd, 2025.
Since 1900, the first night of hanukkah has fallen on december 25 five times: 1910, 1921, 1959, 2005, and now 2024.