| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 1431 | 18-Dec-2009 | Friday | 30 days. |
| Safar 1431 | 17-Jan-2010 | Sunday | 29 days. |
| Rabi al-awwal 1431 | 15-Feb-2010 | Monday | 30 days. |
| Rabi al-thani 1431 | 17-Mar-2010 | Wednesday | 30 days. |
| Jumada al-awwal 1431 | 16-Apr-2010 | Friday | 29 days. |
| Jumada al-thani 1431 | 15-May-2010 | Saturday | 30 days. |
| Rajab 1431 | 14-Jun-2010 | Monday | 29 days. |
| Shaban 1431 | 13-Jul-2010 | Tuesday | 29 days. |
| Ramadan 1431 | 11-Aug-2010 | Wednesday | 30 days. |
| Shawwal 1431 | 10-Sep-2010 | Friday | 29 days. |
| Dhu al-Qidah 1431 | 9-Oct-2010 | Saturday | 29 days. |
| Dhu al-Hijjah 1431 | 7-Nov-2010 | Sunday | 30 days. |