مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ رَفَعَهُ عَنْ أَبِي بَصِيرٍ عَنْ أَبِي عَبْدِ اللَّهِ ع قَالَ:
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قُلْتُ لَهُ هَلْ لِلزَّكَاةِ وَقْتٌ مَعْلُومٌ تُعْطَى فِيهِ فَقَالَ إِنَّ ذَلِكَ لَيَخْتَلِفُ فِي إِصَابَةِ الرَّجُلِ الْمَالَ وَ أَمَّا الْفِطْرَةُ فَإِنَّهَا مَعْلُومَةٌ.
Read English translationHide English translationMuhammad Sarwar — attributed by Thaqalayn
2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad in a marfu‘ manner from abu Basir who has said the following: “I once asked abu ‘Abd Allah (a.s.), Is there a definite time to pay Zakat? He (the Imam) said, ‘That depends on one’s earnings. However, the time for al-Fitrah is definite.”’
Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.
Hadith gradings
1- مرفوعAllamah Baqir al-MajlisiMirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (16/42)