| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 252 | 22-Jan-0866 | Tuesday | 29 days. |
| Safar 252 | 20-Feb-0866 | Wednesday | 30 days. |
| Rabi al-awwal 252 | 22-Mar-0866 | Friday | 29 days. |
| Rabi al-thani 252 | 20-Apr-0866 | Saturday | 30 days. |
| Jumada al-awwal 252 | 20-May-0866 | Monday | 29 days. |
| Jumada al-thani 252 | 18-Jun-0866 | Tuesday | 29 days. |
| Rajab 252 | 17-Jul-0866 | Wednesday | 30 days. |
| Shaban 252 | 16-Aug-0866 | Friday | 29 days. |
| Ramadan 252 | 14-Sep-0866 | Saturday | 30 days. |
| Shawwal 252 | 14-Oct-0866 | Monday | 30 days. |
| Dhu al-Qidah 252 | 13-Nov-0866 | Wednesday | 30 days. |
| Dhu al-Hijjah 252 | 13-Dec-0866 | Friday | 29 days. |