Holidays · Orach Chaim 418

Rosh Chodesh Prayers

6 questions · 30 opinions

Is fasting on Rosh Chodesh forbidden, and what is the source of the prohibition — biblical or rabbinic?

8 opinions across 3 eras

Biblical vs. Rabbinic Source

May a congregation decree a public fast that falls on Rosh Chodesh, Chanukah, or Purim?

2 opinions across 2 eras

Prohibited Days

If a congregation began a multi-day fast series before Rosh Chodesh and Rosh Chodesh falls within those days, must they continue fasting on Rosh Chodesh itself?

5 opinions across 2 eras

Continuation When Rosh Chode…

If an individual accepted a private fast that falls on Rosh Chodesh — must he perform hatarat nedarim (annulment) to be released from it?

6 opinions across 3 eras

Rosh Chodesh Interruption an…

Does an oath (shevua) to fast on Rosh Chodesh take binding effect?

5 opinions across 3 eras

Oaths and Rosh Chodesh

If someone fasts a taanis chalom (dream fast) on Rosh Chodesh, Chanukah, or Purim, must he observe a penitential fast afterward to atone for desecrating the day?

4 opinions across 2 eras

Atonement for Fasting on Spe…