Is the intention for the 'Isha prayer, made at home for the purpose of praying in the mosque, sufficient, or must the prayer be repeated if the congregational prayer commenced while the worshipper was performing the two rak'ahs of greeting the mosque, and then joined the congregational prayer without renewing the intention?
What we believe is that you should repeat this prayer if you did not form the intention at its prescribed time, which is at the beginning of the prayer, or a short time before it. However, if you are afflicted with obsessive whispers (waswasah), then disregard it.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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