Q&A: On the law of accepting Rosh Hashanah earlier than expected
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This is an English translation (via GPT-5.4). Read the original Hebrew version.
On the law of accepting Rosh Hashanah earlier than expected
Question
Hello Rabbi, I almost accepted Rosh Hashanah upon myself today instead of tomorrow because I got the days mixed up. What would happen if I had accepted it and then suddenly saw that it was only tomorrow? Would I be obligated to observe it? Is this considered a mistaken vow? Thank you for your all-encompassing work. Wishing you a good year, full of blessing and all good things.
Answer
There is no such thing as accepting Rosh Hashanah. That would be adding to the Torah’s commandments.