| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 643 | 29-May-1245 | Monday | 29 days. |
| Safar 643 | 27-June-1245 | Tuesday | 30 days. |
| Rabi Al-Awwal 643 | 27-July-1245 | Thursday | 30 days. |
| Rabi Al-Thani 643 | 26-August-1245 | Saturday | 30 days. |
| Jumada Al-Awwal 643 | 25-September-1245 | Monday | 29 days. |
| Jumada Al-Thani 643 | 24-October-1245 | Tuesday | 30 days. |
| Rajab 643 | 23-November-1245 | Thursday | 29 days. |
| Shaban 643 | 22-December-1245 | Friday | 30 days. |
| Ramadan 643 | 21-January-1246 | Sunday | 29 days. |
| Shawwal 643 | 19-February-1246 | Monday | 30 days. |
| Dhu Al-Qidah 643 | 21-March-1246 | Wednesday | 29 days. |
| Dhu Al-Hijjah 643 | 19-April-1246 | Thursday | 29 days. |