Man Lā Yaḥḍuruh al-Faqīh
Hadith 10271032 - وَ سَأَلَ حَمَّادُ بْنُ عُثْمَانَ أَبَا عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ: عَنْ رَجُلٍ فَاتَهُ شَيْءٌ مِنَ اَلصَّلَوَاتِ فَذَكَرَ عِنْدَ طُلُوعِ اَلشَّمْسِ أَوْ عِنْدَ غُرُوبِهَا قَالَ «فَلْيُصَلِّ حِينَ يَذْكُرُ.
Hadith.1032 - Hammad ibn Uthman asked Imam Jafar ibn Muhammad Al-Sadiq (as) a person who missed part of their prayers and then remembered it at sunrise or sunset.
Imam (as) replied: "He should pray as soon as he remembers”.