(CNN)Here is some background information about the Jewish holiday Hanukkah.
In 2020, Hanukkah will start on December 10 at sunset and will end December 18, at sunset.
In 2019, Hanukkah was celebrated from December 22 at sunset through December 30, at sunset.
Hanukkah begins on the eve of the 25th day of the Hebrew month of Kislev and lasts eight days.
The starting date on the western calendar varies from year to year, but usually falls between late November and late December.