The year in months
Months of 1331 AH
| Month | Days | Begins (Gregorian) | Weekday |
|---|---|---|---|
| Muharram مُحَرَّم | 30 | 9 December 1912 | Monday |
| Safar صَفَر | 30 | 8 January 1913 | Wednesday |
| Rabi al-Awwal رَبِيع ٱلْأَوَّل | 30 | 7 February 1913 | Friday |
| Rabi al-Thani رَبِيع ٱلثَّانِي | 29 | 9 March 1913 | Sunday |
| Jumada al-Awwal جُمَادَىٰ ٱلْأُولَىٰ | 30 | 7 April 1913 | Monday |
| Jumada al-Thani جُمَادَىٰ ٱلثَّانِيَة | 29 | 7 May 1913 | Wednesday |
| Rajab رَجَب | 30 | 5 June 1913 | Thursday |
| Shaban شَعْبَان | 29 | 5 July 1913 | Saturday |
| Ramadan رَمَضَان | 29 | 3 August 1913 | Sunday |
| Shawwal شَوَّال | 30 | 1 September 1913 | Monday |
| Dhu al-Qadah ذُو ٱلْقَعْدَة | 29 | 1 October 1913 | Wednesday |
| Dhu al-Hijjah ذُو ٱلْحِجَّة | 30 | 30 October 1913 | Thursday |
Umm al-Qura official month lengths. Civil calculation — may differ by a day from the moon sighting.