MB 341.1 – MB 341.3 – Annulment of Vows on Shabbos

Moshe Zeidman

MB 341.1 – MB 341.3 – Annulment of Vows on Shabbos

Moshe Zeidman

January 7, 2026 · 00:20:15

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This episode explores when vows may be annulled on Shabbos and why the general rule restricts weekday-style legal actions on a holy day. We clarify that vows may be annulled on Shabbos when they directly affect Shabbos enjoyment or mitzvah observance—such as eating, drinking, wearing Shabbos clothing, or sleeping. A key exception is the authority of a husband (and similarly a father) to annul vows within a strict same-day time window, even when the vow is unrelated to Shabbos.The discussion explains the underlying principle: Shabbos is not meant for routine weekday procedures unless necessary. Practical cases are covered, including vows tied to prohibited actions on Shabbos, time-limited vows expiring on Shabbos, and communal bans that are customarily annulled on Shabbos due to logistical necessity.