WORD OF THE MONTH

A weekly feature of Torah Tidbits to help clarify practical and conceptual aspects of the Jewish Calendar, thereby better fulfilling the mitzva of HaChodesh HaZeh Lachem... 

We bench Rosh Chodesh Sivan this Shabbat:
Rosh Chodesh SIVAN will be on YOM R'VI'I (Wednesday)
The Molad will occur on TUE (May 22) 19h 9m 12p 
In Rambam's format: R'vi'i • 1h • 174 chalakim 
On our clocks: TUE May 22, 7:49pm (sum) 
The actual (astronomical) Molad will be WED May 23, 5:47½am (sum) 
Only the last two times can be adjusted for your locale. The other times are universal.

SIVAN: 1-Rosh Chodesh, 2-Yom HaMeyuchas, 3,4,5-Y'mei Hagbala, 6-Shavuot, 7-Yom Tavo'ach (a.k.a. Isru Chag, a.k.a. the second day of Shavuot in Chutz LaAretz), 7-12-Y'mei Milu'im, 20-sad day - was almost made a fast day for TACH V'TAT and other tragedies, 30-R.Ch.Tamuz.