If a child is born in Adar of a non-leap year, and he/she reaches the age of 13/12 in a leap year, when is it appropriate to celebrate the child becoming bar/bat mitzvah? Would that be Adar I or Adar II?

  • Hi Harold. Did you try googling this question before asking here? What did you find lacking or confusing that you seek clarification? Please edit your post to clarify
    – Double AA
    Commented Feb 2, 2018 at 0:45

1 Answer 1


A boy born in the month of Adar of a non-leap year celebrates his bar mitzvah in the second Adar, if his bar mitzvah year is a leap year. (Rama on Code of Jewish Law, Orach Chaim 55:10) Nevertheless, there are some halachic authorities that maintain that the bar mitzvah should be celebrated in the first Adar. In order to satisfy this opinion, the boy should put on tefillin starting from the date of his birthday in the first Adar. (Shevet Halevi 6:9.)


The same applies to Bat Mitva. It's celebrated on the second adar.

  • So doe kulei alma agree with the Rema there? Perhaps Sephardim do differently? By the way, this was really interesting and unexpected. +1
    – ezra
    Commented Feb 2, 2018 at 2:30
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    Very nice article: dropbox.com/s/pw9x9ubrw8fj7gm/…
    – ezra
    Commented Feb 2, 2018 at 2:52
  • @ezra So doe _kulei alma_ agree with the Rema there? Perhaps Sephardim do differently? great point. I'll try to search that up. It does say in the article that i posted, that there are those who disagree with the rama, and therefore the shevet levi says to start with tefilin on adar alef
    – aBochur
    Commented Feb 2, 2018 at 3:07
  • I checked the Rama and see nothing about celebrating. It only says when the boy becomes a bar mitzva.
    – msh210
    Commented Feb 2, 2018 at 4:44
  • @msh210 are you taking about the text i quoted? I didn't write it up, but it's obvious to me, celebre=become bar mitzva. I mean there is no halachic time to "celebrate" your bar mitzva
    – aBochur
    Commented Feb 2, 2018 at 4:47

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