The sefirah of Sunday night is 43 days of the omer.
On Erev Rosh Chodesh (known as Yom Kippur Katan), give extra tzedakah and increase in davening and learning.
Say the shiur Tehillim of both the twenty-ninth and thirtieth days of the month.
At Minchah we don’t say Tachanun.
Say Yaaleh Viyavo during Maariv tonight. See below, “Hosafos,” for the laws that apply if you forgot to say Yaaleh Viyavo.
The sefirah of Tuesday night is 45 days of the omer.
On Rosh Chodesh Sivan 5748 (1988), the Rebbe instructed that everyone—men, women, and children—should study the maamar of Bachodesh Hashlishi in Torah Or, which explains the greatness of this day.
Shacharis
Say Yaaleh Viyavo in Shemoneh Esrei. See below, “Hosafos,” for the laws that apply if you forgot to say Yaaleh Viyavo.
After Shemoneh Esrei, Half Hallel is recited, followed by Kaddish Shalem. For more on Hallel, see below, “Hosafos.”
Hallel is followed by Shir Shel Yom and Barchi Nafshi. This is followed by krias hatorah. Next, say Ashrei and Uva Letzion. The chazzan concludes Uva Letzion quietly, and the Sefer Torah is returned to the aron kodesh.
Next, remove Rashi’s tefillin, don Rabbeinu Tam’s tefillin, and say Shema, Kadesh li chol bechor, and the Sheish Zechiros. After removing Rabbeinu Tam’s tefillin, we daven Musaf. The chazzan should recite a chapter of Tehillim before saying the Chatzi Kaddish that precedes Musaf.
The sefirah of Sunday night is 44 days of the omer.
