| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 19 | 1-January-640 | Saturday | 29 days. |
| Safar 19 | 30-January-640 | Sunday | 30 days. |
| Rabi Al-Awwal 19 | 29-February-640 | Tuesday | 30 days. |
| Rabi Al-Thani 19 | 30-March-640 | Thursday | 30 days. |
| Jumada Al-Awwal 19 | 29-April-640 | Saturday | 29 days. |
| Jumada Al-Thani 19 | 28-May-640 | Sunday | 30 days. |
| Rajab 19 | 27-June-640 | Tuesday | 29 days. |
| Shaban 19 | 26-July-640 | Wednesday | 29 days. |
| Ramadan 19 | 24-August-640 | Thursday | 30 days. |
| Shawwal 19 | 23-September-640 | Saturday | 29 days. |
| Dhu Al-Qidah 19 | 22-October-640 | Sunday | 30 days. |
| Dhu Al-Hijjah 19 | 21-November-640 | Tuesday | 29 days. |