In a number of shuls as well as in a Bet Midrash, I have frequently seen someone who arrives after the services have finished say the beginning of the Amidah aloud until after the Kedusha (i.e. ending in Hakel Hakadosh).

Is there a requirement to hear / join in with Kedushah? What is the source for allowing a person to do his own "personal heicha Kedusha?

Wouldn't saying the Kedusha Desidra (aka Uva Letziyon) said near the end of Shacharit fulfill the obligation of someone who missed the Kedusha during the Amidah, anyway? If so, then what would be the need for someone to do this heicha Kedusha, or is this a mistake?

  • Do you think kedusha desidra needs a Minyan? If not how could you imagine they'd be equivalent – Double AA Jun 12 '17 at 15:09
  • I'm not sure I understand the scenario here. Davening is done, and somebody gets up to the amud and starts davening again while people mill about? – Daniel Jun 12 '17 at 15:11
  • @DoubleAA That's a good point, and I believe there is a dispute on that. Have to research that and add that into the "mix". – DanF Jun 12 '17 at 15:11
  • @Daniel almost ... It tends to catch people by surprise, most of the time, actually. People in the minyan are ready to leave and someone just starts doing this. I have seen this done in the YU Bet Midrash a few times where people are studying, and suddenly someone does this. In the 1st case, it may actually be Torach detzibbur (people are running to get to work.) In the 2nd case, it may be disrupting someone's learning. – DanF Jun 12 '17 at 15:14
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    "fulfill the obligation of someone who missed the Kedusha during the Amidah" What obligation is this exactly? – Double AA Jun 12 '17 at 16:06

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