58.271 http://www.mohammeds-koran.com/texts/hadith/bukhari/58/58.271 http://www.mohammeds-koran.com/@@site-logo/Jihad_Sword_White_Background.png 58.271 Narrated Sahl bin Sad: The Prophet's companions did not take as a starting date for the Muslim calendar, the day, the Prophet had been sent as an Apostle or the day of his death, but the day of his arrival at Medina.