| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 18 | 12-January-639 | Tuesday | 29 days. |
| Safar 18 | 10-February-639 | Wednesday | 30 days. |
| Rabi Al-Awwal 18 | 12-March-639 | Friday | 30 days. |
| Rabi Al-Thani 18 | 11-April-639 | Sunday | 29 days. |
| Jumada Al-Awwal 18 | 10-May-639 | Monday | 30 days. |
| Jumada Al-Thani 18 | 9-June-639 | Wednesday | 29 days. |
| Rajab 18 | 8-July-639 | Thursday | 30 days. |
| Shaban 18 | 7-August-639 | Saturday | 29 days. |
| Ramadan 18 | 5-September-639 | Sunday | 29 days. |
| Shawwal 18 | 4-October-639 | Monday | 29 days. |
| Dhu Al-Qidah 18 | 2-November-639 | Tuesday | 30 days. |
| Dhu Al-Hijjah 18 | 2-December-639 | Thursday | 30 days. |