كتاب 13
13  
Book 13
(13)
Chapter:
(13)
باب 13
Sahih Muslim 2384
This hadith is narrated on the authority of 'Ubaidullah with the same chain of transmitters, and he said:
If (the sky) is cloudy for you, then calculate thirty days (for the month of Ramadan).
وَحَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا عُبَيْدُ اللَّهِ، بِهَذَا الإِسْنَادِ وَقَالَ ‏ "‏ فَإِنْ غُمَّ عَلَيْكُمْ فَاقْدِرُوا ثَلاَثِينَ ‏"‏ ‏.‏ نَحْوَ حَدِيثِ أَبِي أُسَامَةَ ‏.‏
Reference : Sahih Muslim 2384
In-book reference : Book 13, Hadith 9661
USC-MSA web (English) reference : Book 2, Hadith 2384
  (deprecated numbering scheme)