| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 636 | 13-August-1238 | Friday | 29 days. |
| Safar 636 | 11-September-1238 | Saturday | 30 days. |
| Rabi Al-Awwal 636 | 11-October-1238 | Monday | 30 days. |
| Rabi Al-Thani 636 | 10-November-1238 | Wednesday | 30 days. |
| Jumada Al-Awwal 636 | 10-December-1238 | Friday | 30 days. |
| Jumada Al-Thani 636 | 9-January-1239 | Sunday | 29 days. |
| Rajab 636 | 7-February-1239 | Monday | 30 days. |
| Shaban 636 | 9-March-1239 | Wednesday | 29 days. |
| Ramadan 636 | 7-April-1239 | Thursday | 30 days. |
| Shawwal 636 | 7-May-1239 | Saturday | 29 days. |
| Dhu Al-Qidah 636 | 5-June-1239 | Sunday | 29 days. |
| Dhu Al-Hijjah 636 | 4-July-1239 | Monday | 29 days. |