| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 491 | 8-December-1097 | Tuesday | 30 days. |
| Safar 491 | 7-January-1098 | Thursday | 30 days. |
| Rabi Al-Awwal 491 | 6-February-1098 | Saturday | 29 days. |
| Rabi Al-Thani 491 | 7-March-1098 | Sunday | 30 days. |
| Jumada Al-Awwal 491 | 6-April-1098 | Tuesday | 29 days. |
| Jumada Al-Thani 491 | 5-May-1098 | Wednesday | 30 days. |
| Rajab 491 | 4-June-1098 | Friday | 29 days. |
| Shaban 491 | 3-July-1098 | Saturday | 30 days. |
| Ramadan 491 | 2-August-1098 | Monday | 29 days. |
| Shawwal 491 | 31-August-1098 | Tuesday | 29 days. |
| Dhu Al-Qidah 491 | 29-September-1098 | Wednesday | 30 days. |
| Dhu Al-Hijjah 491 | 29-October-1098 | Friday | 29 days. |