| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 618 | 25-Feb-1221 | Thursday | 30 days. |
| Safar 618 | 27-Mar-1221 | Saturday | 29 days. |
| Rabi al-awwal 618 | 25-Apr-1221 | Sunday | 30 days. |
| Rabi al-thani 618 | 25-May-1221 | Tuesday | 29 days. |
| Jumada al-awwal 618 | 23-Jun-1221 | Wednesday | 29 days. |
| Jumada al-thani 618 | 22-Jul-1221 | Thursday | 29 days. |
| Rajab 618 | 20-Aug-1221 | Friday | 30 days. |
| Shaban 618 | 19-Sep-1221 | Sunday | 30 days. |
| Ramadan 618 | 19-Oct-1221 | Tuesday | 30 days. |
| Shawwal 618 | 18-Nov-1221 | Thursday | 29 days. |
| Dhu al-Qidah 618 | 17-Dec-1221 | Friday | 30 days. |
| Dhu al-Hijjah 618 | 16-Jan-1222 | Sunday | 30 days. |