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
    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. 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
    Jul 27, 2017 at 2:54

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