| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 1091 | 2-February-1680 | Friday | 29 days. |
| Safar 1091 | 2-March-1680 | Saturday | 30 days. |
| Rabi Al-Awwal 1091 | 1-April-1680 | Monday | 29 days. |
| Rabi Al-Thani 1091 | 30-April-1680 | Tuesday | 30 days. |
| Jumada Al-Awwal 1091 | 30-May-1680 | Thursday | 29 days. |
| Jumada Al-Thani 1091 | 28-June-1680 | Friday | 29 days. |
| Rajab 1091 | 27-July-1680 | Saturday | 30 days. |
| Shaban 1091 | 26-August-1680 | Monday | 30 days. |
| Ramadan 1091 | 25-September-1680 | Wednesday | 29 days. |
| Shawwal 1091 | 24-October-1680 | Thursday | 30 days. |
| Dhu Al-Qidah 1091 | 23-November-1680 | Saturday | 30 days. |
| Dhu Al-Hijjah 1091 | 23-December-1680 | Monday | 29 days. |