| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 631 | 7-Oct-1233 | Friday | 29 days. |
| Safar 631 | 5-Nov-1233 | Saturday | 29 days. |
| Rabi al-awwal 631 | 4-Dec-1233 | Sunday | 30 days. |
| Rabi al-thani 631 | 3-Jan-1234 | Tuesday | 30 days. |
| Jumada al-awwal 631 | 2-Feb-1234 | Thursday | 29 days. |
| Jumada al-thani 631 | 3-Mar-1234 | Friday | 30 days. |
| Rajab 631 | 2-Apr-1234 | Sunday | 29 days. |
| Shaban 631 | 1-May-1234 | Monday | 30 days. |
| Ramadan 631 | 31-May-1234 | Wednesday | 30 days. |
| Shawwal 631 | 30-Jun-1234 | Friday | 30 days. |
| Dhu al-Qidah 631 | 30-Jul-1234 | Sunday | 29 days. |
| Dhu al-Hijjah 631 | 28-Aug-1234 | Monday | 29 days. |