| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 634 | 4-September-1236 | Thursday | 29 days. |
| Safar 634 | 3-October-1236 | Friday | 30 days. |
| Rabi Al-Awwal 634 | 2-November-1236 | Sunday | 30 days. |
| Rabi Al-Thani 634 | 2-December-1236 | Tuesday | 29 days. |
| Jumada Al-Awwal 634 | 31-December-1236 | Wednesday | 30 days. |
| Jumada Al-Thani 634 | 30-January-1237 | Friday | 29 days. |
| Rajab 634 | 28-February-1237 | Saturday | 30 days. |
| Shaban 634 | 30-March-1237 | Monday | 29 days. |
| Ramadan 634 | 28-April-1237 | Tuesday | 29 days. |
| Shawwal 634 | 27-May-1237 | Wednesday | 30 days. |
| Dhu Al-Qidah 634 | 26-June-1237 | Friday | 29 days. |
| Dhu Al-Hijjah 634 | 25-July-1237 | Saturday | 30 days. |