‏النكاح : Hadeeth No:3338 Ibn 'Umar (Allaah be pleased with them) reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: When any one of you is invited to a feast, he should accept. 'UbaidAllaah took this feast to be a wedding feast....

‏الصلاة : Hadeeth No:1808 Ibn 'Umar reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When the rim of the sun starts appearing defer prayer till it completely appears, and when the rim of the sun disappears defer prayer till it completely disappears....