‏الصيام : Hadeeth No:2365 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)....

‏الفضائل : Hadeeth No:5654 Jabir b. Samura reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: I recognise the stone in Mecca which used to pay me salutations before my advent as a Prophet and I recognise that even now....