Liaison office of Grand Ayatullah Sayyid Ali Al Sistani (L.M.H.L) in London, Europe, North and South America.
1189. If a person doubts, after the time for prayers has already
passed, as to whether he has offered the prayers or not, or if he suspects that
he may not have offered it, it is not necessary for him to offer that prayers.
If, however, he doubts before the expiry of the time for that prayers, as to
whether or not he has offered it, he should offer it, even if he has a feeling
that he might have done so.
1190. If a person doubts after the time for prayers has passed,
whether or not he has offered the prayers correctly, he should ignore his doubt.
1191. If, after the time for Zuhr and Asr prayers has passed, a person
knows that he has offered 4 Rak'ats, but does not know whether it was with the
intention of Zuhr prayers or Asr prayers, he should, offer 4 Rak'ats of qadha
prayers, with the niyyat that he is praying that which is obligatory upon him.
1192. If after the time for Maghrib and Isha prayers has elapsed, a
person knows that he has offered one prayer, but does not know whether it was of
3 or 4 Rak'ats, he should offer qadha of Maghrib and Isha prayers.