Qadha

The Arabic word qada (قُضِي) means literally "carrying out or fulfilling". In Islamic jurisprudence it refers to fulfilling or completing those duties that one may have missed due to some reason or other.

57533

Qadha . Father . Salah (Prayers)
How do I perform Qadha prayers for my deceased father that he missed due to illness? Can I do them at any convenient time, or only at the prescribed times for each prayer?
Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 6 years ago
​​​Qadha Prayers can be performed at any convenient time, and not necessarily at the prescribed times of each Prayer.
Wassalam.
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55161

Salah (Prayers) . Qadha
When starting to pray a Wajib prayer the time is not Qaza with a few minutes left. But when I finish the prayers the time has passed the Qaza time. Is my Salat considered acceptable or do I have repeat it as Qaza?
Zoheir Ali Esmail, Shaykh Zoheir Ali Esmail has a Bsc in Accounting and Finance from the LSE in London, and an MA in Islamic Studies from Middlesex University. He studied Arabic at Damascus University and holds a PhD... Answered 6 years ago

Bismillah

Thank you for your question. As long as you finish one cycle within the time the whole prayer is prayed with the intention of ada and considered on time, and there is no need to pray qada. See the following ruling from Ay Sistani (hA):

Ruling 735. Someone who has time to perform one rakʿah of the prayer must perform the prayer with the intention of adāʾ; however, he must not intentionally delay the prayer until this time. 

Islamic Laws, vol 1, p 193

May you always be successful.
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