‏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)....

‏الأضاحي : Hadeeth No:4841 Anas reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) sacrificed with his own hands two horned rams which were white with black markings reciting the name of Allaah and glorifying Him (saying Allaah-o-Akbar). He placed his foot on their sides (while sacrificing)....