| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 1091 | 2-Feb-1680 | Friday | 29 days. |
| Safar 1091 | 2-Mar-1680 | Saturday | 30 days. |
| Rabi al-awwal 1091 | 1-Apr-1680 | Monday | 29 days. |
| Rabi al-thani 1091 | 30-Apr-1680 | Tuesday | 30 days. |
| Jumada al-awwal 1091 | 30-May-1680 | Thursday | 29 days. |
| Jumada al-thani 1091 | 28-Jun-1680 | Friday | 29 days. |
| Rajab 1091 | 27-Jul-1680 | Saturday | 30 days. |
| Shaban 1091 | 26-Aug-1680 | Monday | 30 days. |
| Ramadan 1091 | 25-Sep-1680 | Wednesday | 29 days. |
| Shawwal 1091 | 24-Oct-1680 | Thursday | 30 days. |
| Dhu al-Qidah 1091 | 23-Nov-1680 | Saturday | 30 days. |
| Dhu al-Hijjah 1091 | 23-Dec-1680 | Monday | 29 days. |