Is it obligatory to leave a medical lecture to perform the Asr prayer in congregation at the college mosque, knowing that the lecturer permits this and that missing part of the lecture might affect comprehension, or is it permissible to delay it to perform it as a second congregation after the lecture? And does the fact that the mosque has no regular Imam and not all prayers are performed there affect the ruling on the obligation of attending the first congregation?
Going to prayer is required, but if it means missing the benefit of an important lecture, then there is no harm in delaying the prayer beyond the first congregation, provided that its time does not expire and that another congregation will be available. Otherwise, it is not permissible to neglect congregational prayer without a valid excuse.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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