| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 252 | 22-January-866 | Tuesday | 29 days. |
| Safar 252 | 20-February-866 | Wednesday | 30 days. |
| Rabi Al-Awwal 252 | 22-March-866 | Friday | 29 days. |
| Rabi Al-Thani 252 | 20-April-866 | Saturday | 30 days. |
| Jumada Al-Awwal 252 | 20-May-866 | Monday | 29 days. |
| Jumada Al-Thani 252 | 18-June-866 | Tuesday | 29 days. |
| Rajab 252 | 17-July-866 | Wednesday | 30 days. |
| Shaban 252 | 16-August-866 | Friday | 29 days. |
| Ramadan 252 | 14-September-866 | Saturday | 30 days. |
| Shawwal 252 | 14-October-866 | Monday | 30 days. |
| Dhu Al-Qidah 252 | 13-November-866 | Wednesday | 30 days. |
| Dhu Al-Hijjah 252 | 13-December-866 | Friday | 29 days. |