| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 17 | 23-January-638 | Friday | 29 days. |
| Safar 17 | 21-February-638 | Saturday | 30 days. |
| Rabi Al-Awwal 17 | 23-March-638 | Monday | 29 days. |
| Rabi Al-Thani 17 | 21-April-638 | Tuesday | 30 days. |
| Jumada Al-Awwal 17 | 21-May-638 | Thursday | 29 days. |
| Jumada Al-Thani 17 | 19-June-638 | Friday | 30 days. |
| Rajab 17 | 19-July-638 | Sunday | 29 days. |
| Shaban 17 | 17-August-638 | Monday | 29 days. |
| Ramadan 17 | 15-September-638 | Tuesday | 30 days. |
| Shawwal 17 | 15-October-638 | Thursday | 29 days. |
| Dhu Al-Qidah 17 | 13-November-638 | Friday | 30 days. |
| Dhu Al-Hijjah 17 | 13-December-638 | Sunday | 30 days. |