Second Days Of Passover 2025. It is observed by certain. On the second night begin counting of omer every evening at the end of the maariv (evening) prayers until shavuoth.
The second passover (pesach sheni) takes place exactly 1 month after the regular passover on the 14th day of the second hebrew month of lyar. The first seder will be on april 12 after nightfall, and the second seder will be on april 13 after nightfall.