Is it required or permitted to fast the day after Rosh Hashanah during the Ten Days of Repentance?

Rosh HashanahTen Days of Repentance

Synopsis

The day following Rosh Hashanah is observed as a public fast, establishing a practice of austerity at the beginning of the repentance period.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

Discussion coming soon.

The Daily Law

One question. Every opinion. Every morning.

A new halakhic question and the full spectrum of rabbinic thought, delivered daily.