| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 655 | 19-Jan-1257 | Friday | 30 days. |
| Safar 655 | 18-Feb-1257 | Sunday | 29 days. |
| Rabi al-awwal 655 | 19-Mar-1257 | Monday | 30 days. |
| Rabi al-thani 655 | 18-Apr-1257 | Wednesday | 29 days. |
| Jumada al-awwal 655 | 17-May-1257 | Thursday | 29 days. |
| Jumada al-thani 655 | 15-Jun-1257 | Friday | 29 days. |
| Rajab 655 | 14-Jul-1257 | Saturday | 30 days. |
| Shaban 655 | 13-Aug-1257 | Monday | 29 days. |
| Ramadan 655 | 11-Sep-1257 | Tuesday | 30 days. |
| Shawwal 655 | 11-Oct-1257 | Thursday | 29 days. |
| Dhu al-Qidah 655 | 9-Nov-1257 | Friday | 30 days. |
| Dhu al-Hijjah 655 | 9-Dec-1257 | Sunday | 30 days. |