Q&A: Fasts
Originally published:
This is an English translation (via GPT-5.4). Read the original Hebrew version.
Fasts
Question
In your view, how critical is fasting from a halakhic standpoint?
Answer
It is a custom.
Discussion on Answer
Absolutely. A custom has binding force.
But the Talmud (Rosh Hashanah 18?) established that if they want, they fast, and if they want, they do not fast. Even though it was determined that it depends on their will, can there still be a binding custom?
The custom is to want to.
A custom is binding on the halakhic level?