| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 618 | 25-February-1221 | Thursday | 30 days. |
| Safar 618 | 27-March-1221 | Saturday | 29 days. |
| Rabi Al-Awwal 618 | 25-April-1221 | Sunday | 30 days. |
| Rabi Al-Thani 618 | 25-May-1221 | Tuesday | 29 days. |
| Jumada Al-Awwal 618 | 23-June-1221 | Wednesday | 29 days. |
| Jumada Al-Thani 618 | 22-July-1221 | Thursday | 29 days. |
| Rajab 618 | 20-August-1221 | Friday | 30 days. |
| Shaban 618 | 19-September-1221 | Sunday | 30 days. |
| Ramadan 618 | 19-October-1221 | Tuesday | 30 days. |
| Shawwal 618 | 18-November-1221 | Thursday | 29 days. |
| Dhu Al-Qidah 618 | 17-December-1221 | Friday | 30 days. |
| Dhu Al-Hijjah 618 | 16-January-1222 | Sunday | 30 days. |