‏الصيام : Hadeeth No:2508 Abdullah b. Umar (Allaah be pleased with them) reported that the day of 'Ashura was mentioned before the Prophet of Allaah (sallAllaahu alayhi wa sallam) and he narrated a hadith like one (narrated above)....

‏الصيام : Hadeeth No:2410 Samura b. Jundub addressed and narrated from the Prophet of Allaah (sallAllaahu alayhi wa sallam) having said (these words): Neither the call of Bilal should mislead you nor this whiteness (of false dawn) till (the true) dawn appears (or he said) till the dawn breaks....