What should a traveler do who catches the Maghrib prayer in congregation, then wishes to pray 'Isha' and finds another congregation praying Maghrib? Should he wait for them to complete two rak'ahs and then join them for the last rak'ah and add another rak'ah himself, or should he complete the prayer with them, perform his first and last tashahhud, and wait for them to complete the third rak'ah and then perform the taslim with them?
It is better for the traveler not to pray Isha behind someone praying Maghrib, to avoid scholarly disagreement. However, if he does pray behind him, he is obliged to complete the Isha prayer and not shorten it.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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