1. Does a minyan say tachanun if there was a siyyum or if there is going to be after aleinu? Or, is it preferable to have a Siyum on Shabbat (just for example) to avoid this safeik?

  2. Is Tachanun recited at a Siyum of all the Masechtot of Sha"S Bavli?


  • 5
    There's a third option: that there is no safek and Tachanun is said.
    – Double AA
    Commented Aug 14, 2012 at 15:27
  • I davened shacharit at a minyan of people going to a Siyum HaShas of Daf Yomi. Tachanun was said at shacharit. The mincha minyan at the siyum did not say tachanun. Unsure if this would qualify as an answer.
    – Ze'ev
    Commented Jan 2, 2020 at 19:11

2 Answers 2


Rav Ovadia Yosef (Yabia Omer OC 4:13) discusses this topic and concludes in favor of not saying tachanun at a siyum in order to emphasize the aspect of happiness when learning Torah and thereby reward those who do learn Torah / entice others to learn Torah too.


I personally made a siyum on Shas right after mincha, and R' Herschel Schachter paskened that we shouldn't say tachanun during mincha.

  • Would he say the same for a siyum right after shacharis?
    – rosends
    Commented Jul 27, 2017 at 2:54

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