| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 577 | 17-May-1181 | Sunday | 30 days. |
| Safar 577 | 16-Jun-1181 | Tuesday | 29 days. |
| Rabi al-awwal 577 | 15-Jul-1181 | Wednesday | 30 days. |
| Rabi al-thani 577 | 14-Aug-1181 | Friday | 29 days. |
| Jumada al-awwal 577 | 12-Sep-1181 | Saturday | 30 days. |
| Jumada al-thani 577 | 12-Oct-1181 | Monday | 29 days. |
| Rajab 577 | 10-Nov-1181 | Tuesday | 30 days. |
| Shaban 577 | 10-Dec-1181 | Thursday | 29 days. |
| Ramadan 577 | 8-Jan-1182 | Friday | 29 days. |
| Shawwal 577 | 6-Feb-1182 | Saturday | 30 days. |
| Dhu al-Qidah 577 | 8-Mar-1182 | Monday | 29 days. |
| Dhu al-Hijjah 577 | 6-Apr-1182 | Tuesday | 30 days. |