The precise date of Muhammad's birth, beyond the general traditional placement around 570 CE, is not agreed upon within Islamic tradition itself: Sunni Muslims generally observe his birthday, Mawlid al-Nabi, on 12 Rabi al-Awwal in the Islamic lunar calendar, while many Shia sources observe it on 17 Rabi al-Awwal, a difference reflecting distinct early transmission chains within the broader hadith tradition rather than a dispute historians have been able to resolve through independent evidence.
Observance of the Mawlid itself has also varied historically across the Islamic world: some scholarly traditions have treated public celebration of the Prophet's birthday as a praiseworthy expression of devotion, while others, particularly within certain reformist currents, have argued that any specific commemorative celebration lacks basis in the practice of the earliest Muslim community and should be avoided, making the Mawlid, unlike many other widely observed Islamic occasions, a matter of ongoing difference in practice across different communities and legal schools.
The Year of the Elephant itself, while a fixed point of reference within the traditional Islamic dating of Muhammad's birth, is not independently cross referenced against a securely dated external chronology in a way that would allow historians to fix the exact birth year with the same confidence available for later, better documented periods of his life.