When Purim Starts 2025. In 2025, purim will begin on the evening of thursday, march 13 and end on nightfall, friday, march 14. It occurs when the 15th of adar coincides with shabbat.

• in the jewish calendar, a holiday begins on the sunset of the previous day, so. Purim is celebrated on the 14th of the jewish month of adar, which falls sometime between february and march.