| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 642 | 8-June-1244 | Wednesday | 30 days. |
| Safar 642 | 8-July-1244 | Friday | 30 days. |
| Rabi Al-Awwal 642 | 7-August-1244 | Sunday | 30 days. |
| Rabi Al-Thani 642 | 6-September-1244 | Tuesday | 30 days. |
| Jumada Al-Awwal 642 | 6-October-1244 | Thursday | 29 days. |
| Jumada Al-Thani 642 | 4-November-1244 | Friday | 29 days. |
| Rajab 642 | 3-December-1244 | Saturday | 30 days. |
| Shaban 642 | 2-January-1245 | Monday | 29 days. |
| Ramadan 642 | 31-January-1245 | Tuesday | 29 days. |
| Shawwal 642 | 1-March-1245 | Wednesday | 30 days. |
| Dhu Al-Qidah 642 | 31-March-1245 | Friday | 29 days. |
| Dhu Al-Hijjah 642 | 29-April-1245 | Saturday | 30 days. |