This list does not necessarily imply either official status or general observance. Non-Gregorian [ edit ] Sayyid Ali Ashgar Razwy (10 November 2013). "The Birth of Muhammad and the Early Years of his Life". Archived from the original on 10 October 2017 . Retrieved 7 November 2017.

Balani, Jyoti; Hyer, Stephen; Wagner, Marion; Shehata, Hassan (2013). "Obesity, Polycystic Ovaries and Impaired Reproductive Outcome". Obesity. pp.289–298. doi: 10.1016/B978-0-12-416045-3.00022-4. ISBN 978-0-12-416045-3.a b c W. Montgomery Watt (1956), Muhammad at Medina Oxford: Clarendon Press, p.12. Watt notes that the date for the battle is also recorded as the 19th or the 21st of Ramadan (15 or 17March 624). Harrison, Peter (9 June 2016). "How did the Ramadan lantern become a symbol of the holy month?". Al Arabiya . Retrieved 6 May 2019. [ permanent dead link] Ramadan in Saudi Arabia: Taking it to heart". The Economist. 11 June 2016. Archived from the original on 10 June 2016 . Retrieved 11 June 2016. O Lord, as you overthrew Abimelech in the 9th chapter of Judges, overthrew Goliath in the 9th book of the Bible, overthrew Jezebel in the 9th chapter of Second Kings, overturned the plans of Haman in the 9th chapter of Esther, and overthrew Saul of Tarsus in the 9th chapter of Acts, overthrow the enemies of your people in this ninth month of the year.

But the numbers and months don’t add up anymore. See, September, based on the Latin septem- meaning “ seven,” is the ninth month of the year.Al-Shajari, Yahya bin Hussein. Al-Amali Al-Khamisiyah (in Arabic). Vol.1. p.380, Nu. 1355. أَنَّ عَلِيًّا عَلَيْهِ السَّلَامُ كَانَ يَقُولُ: لَا تَقُولُوا۟ «رَمَضَانُ» فَإِنَّكُمْ لَا تَدْرُونَ مَا رَمَضَانُ فَمَنْ قَالَهُ فَلْيَتَصَدَّقْ وَلْيَصُمْ كَفَّارَةً لِقَوْلِهِ، وَلَٰكِنْ قُولُوا۟ كَمَا قَالَ اللَّٰهُ عَزَّ وَجَلَّ: «شَهْرُ رَمَضَانَ»