| Western Month | Converts To Hijri Month |
|---|
| Jan 1221 | Dhu al-Qidah, 617 |
| Feb 1221 | Dhu al-Hijjah, 617 |
| Mar 1221 | Muharram, 618 |
| Apr 1221 | Safar, 618 |
| May 1221 | Rabi al-awwal, 618 |
| Jun 1221 | Rabi al-thani, 618 |
| Jul 1221 | Jumada al-awwal, 618 |
| Aug 1221 | Jumada al-thani, 618 |
| Sep 1221 | Rajab, 618 |
| Oct 1221 | Shaban, 618 |
| Nov 1221 | Ramadan, 618 |
| Dec 1221 | Shawwal, 618 |