I saw in a popular book a suggestion that Avraham was born on Rosh Chodesh Tevet. Does anyone have any backing sources for this?

  • 1
    See Gemara Rosh Hashana 11a: R' Eliezer holds he was born in Tishri, R' Yehoshua holds he was born in Nissan. (Exact dates not given)
    – Meh
    Mar 26, 2015 at 22:09
  • From Bereshit 17:26, Rashi seems to suggest that Avraham Avinu and Ishmael had the same birthday. בעצם היום הזה. שֶׁמָּלְאוּ לְאַבְרָהָם צ"ט שָׁנָה וּלְיִשְׁמָעֵאל י"ג שָׁנִים נמול אברהם וישמעאל בנו:
    – Eli83
    Oct 26, 2018 at 19:17

1 Answer 1


This page (it is too much to simply copy and paste) speaks of the medrashic concept that the righteous die on their birthdays [scroll down to citation 27 in the text]. As such, acknowledging that Avraham Avinu was righteous, and the gemara mentions possibilities for the Yahrzeit:

Avraham Avinu (2124 - 1638 B.C.E.:), according to some sources (Bava Basra 91a). [According to others, Avrohom Avinu's Yartzeit is 1 Tishrei, or Nissan [Moed Katan 28a].

one could work backwards and derive a birthday commensurate with the death date one accepts.

This answer deals with the sources for the yahrzeit as well.

  • 3
    I'm not seeing any mention of the date of Avraham's passing in Bava Batra 91a. Your source appears to be unreliable.
    – Meh
    Mar 26, 2015 at 22:07

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