| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 620 | 4-Feb-1223 | Saturday | 30 days. |
| Safar 620 | 6-Mar-1223 | Monday | 29 days. |
| Rabi al-awwal 620 | 4-Apr-1223 | Tuesday | 30 days. |
| Rabi al-thani 620 | 4-May-1223 | Thursday | 29 days. |
| Jumada al-awwal 620 | 2-Jun-1223 | Friday | 29 days. |
| Jumada al-thani 620 | 1-Jul-1223 | Saturday | 30 days. |
| Rajab 620 | 31-Jul-1223 | Monday | 29 days. |
| Shaban 620 | 29-Aug-1223 | Tuesday | 30 days. |
| Ramadan 620 | 28-Sep-1223 | Thursday | 29 days. |
| Shawwal 620 | 27-Oct-1223 | Friday | 30 days. |
| Dhu al-Qidah 620 | 26-Nov-1223 | Sunday | 29 days. |
| Dhu al-Hijjah 620 | 25-Dec-1223 | Monday | 30 days. |