2023-05-05 Pesach Sheni Pesach Sheni May 5, 2023 Pesach Sheni Second Passover; one month after Passover
2023-05-20 Shabbat Mevarchim Chodesh Sivan Shabbat Mevarchim Chodesh Sivan May 20, 2023 Shabbat Mevarchim Chodesh Sivan Molad Sivan: Sat; 52 minutes and 14 chalakim after 2:00
2023-05-21 Rosh Chodesh Sivan Rosh Chodesh Sivan May 21, 2023 Rosh Chodesh Sivan Start of month of Sivan on the Hebrew calendar