Why don't we say Avinu Malcanu on Tisha B' Av?

The Artscroll Siddur says "on fast days that tachanun is omitted...", is there any other reason?

  • 2
    I once heard a nice vort: The month of Elul is the month of Avinu-Malkeinu. The month of Av is just plain Avinu (a much closer relationship) ... Commented Aug 12, 2011 at 9:17
  • 1
    Very similar: judaism.stackexchange.com/q/30016
    – msh210
    Commented Jul 18, 2013 at 15:23

3 Answers 3


My rav explained that Tachanun (which, is part of your question, per se, not necessarily the direct reason why Avinu Malkeinu) is omitted on occasions of either "extreme" - extreme joy or extreme sadness.

Yom Tov is "extreme joy" so Tachanun is omitted.

In a house of mourning during the week of shiva, Tachanun is also omitted. This is a location & time of extreme sadness.

If Tachanun is omitted in a house of mourning where one person is mourning, kal vachomer it should be omitted when all of B'nei Yisra'el is mourning!


The main reason that I recall is because of the pasuk in Eichah (1:15) that refers to the day as "moed"

קָרָא עָלַי מוֹעֵד לִשְׁבֹּר בַּחוּרָי

I don't remember why that forces a connection.

  • "I don't remember why that forces a connection" - The term מוֹעֵד is synonymous with "Yom Tov" in this context. SInce we omit Tachanun on Yom Tov we omit it on Tish'a B'Av. I think Art Scroll Eicha may explain why Tish'a B'Av was called a "Mo'ed" or what was meant in that verse.
    – DanF
    Commented Jul 27, 2015 at 16:58

Edited to change my answer. Here is a link that explains why we don't say Avinu Malkeinu on Tisha B'Av.

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    It would be useful if you summarized the linked webpage, even in just one or two sentences.
    – Tiberia
    Commented Nov 29, 2011 at 5:39
  • Link takes you to the root. If anyone can add in the text, I would appreciate it.
    – rosends
    Commented Jul 22, 2018 at 21:45

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