Special portions are added to the daily prayers during Rosh Chodesh:
- Hallel (Psalms 113-118) is recited in its “partial” form following the Shacharit morning prayer,
- the Yaaleh V’yavo prayer is added to the Amidah and to Grace After Meals,
- the additional Musaf prayer is said (when Rosh Chodesh is Shabbat, special additions are made to the Shabbat Musaf),
- Tachnun and similar prayers are omitted.
Many have the custom to mark Rosh Chodesh with a festive meal and reduced work activity. The latter custom is especially prevalent amongst women.