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.

The holiday marks the beginning of the Jewish High Holy Days and leads up to Yom Kippur, the Jewish day of atonement.

Rosh Hashanah, the celebration of the Jewish new year and the beginning of the High Holy Days in the Jewish religion, takes place around the world this week. Rosh Hashanah, the Jewish new year, starts at sundown on Wednesday,