Rosh Hashanah, or the Jewish New Year, began on evening Oct. 2 and last through the evening on Oct. 4 this year. Here's what to know about the holiday.

Rosh Hashanah, meaning "head of the year" in Hebrew, is the celebration of the Jewish New Year. During Rosh Hashanah, Jewish people around the world ask God for forgiveness for mistakes they’ve made over the past year and remind themselves not to repeat those mistakes in the coming year.