| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 666 | 22-Sep-1267 | Thursday | 29 days. |
| Safar 666 | 21-Oct-1267 | Friday | 29 days. |
| Rabi al-awwal 666 | 19-Nov-1267 | Saturday | 30 days. |
| Rabi al-thani 666 | 19-Dec-1267 | Monday | 29 days. |
| Jumada al-awwal 666 | 17-Jan-1268 | Tuesday | 30 days. |
| Jumada al-thani 666 | 16-Feb-1268 | Thursday | 30 days. |
| Rajab 666 | 17-Mar-1268 | Saturday | 30 days. |
| Shaban 666 | 16-Apr-1268 | Monday | 29 days. |
| Ramadan 666 | 15-May-1268 | Tuesday | 30 days. |
| Shawwal 666 | 14-Jun-1268 | Thursday | 29 days. |
| Dhu al-Qidah 666 | 13-Jul-1268 | Friday | 30 days. |
| Dhu al-Hijjah 666 | 12-Aug-1268 | Sunday | 29 days. |