The year in months
Months of 1431 AH
| Month | Days | Begins (Gregorian) | Weekday |
|---|---|---|---|
| Muharram مُحَرَّم | 29 | 18 December 2009 | Friday |
| Safar صَفَر | 30 | 16 January 2010 | Saturday |
| Rabi al-Awwal رَبِيع ٱلْأَوَّل | 30 | 15 February 2010 | Monday |
| Rabi al-Thani رَبِيع ٱلثَّانِي | 29 | 17 March 2010 | Wednesday |
| Jumada al-Awwal جُمَادَىٰ ٱلْأُولَىٰ | 30 | 15 April 2010 | Thursday |
| Jumada al-Thani جُمَادَىٰ ٱلثَّانِيَة | 29 | 15 May 2010 | Saturday |
| Rajab رَجَب | 30 | 13 June 2010 | Sunday |
| Shaban شَعْبَان | 29 | 13 July 2010 | Tuesday |
| Ramadan رَمَضَان | 30 | 11 August 2010 | Wednesday |
| Shawwal شَوَّال | 29 | 10 September 2010 | Friday |
| Dhu al-Qadah ذُو ٱلْقَعْدَة | 29 | 9 October 2010 | Saturday |
| Dhu al-Hijjah ذُو ٱلْحِجَّة | 30 | 7 November 2010 | Sunday |
Umm al-Qura official month lengths. Civil calculation — may differ by a day from the moon sighting.