Lesson of 2nd Passover: Pray for Moshiach Now!

The theme of the 2nd Passover on 14 Iyar (May 8 in 20’20) is that it is never too late. It is always possible to put things right. Thus we should pray every day for Moshiach to come now!

A Passover festival was observed at Mount Sinai

Why was a 2nd Passover granted a year after the Exodus?