Islamic Hijri Calendar For 840 CE
| Western Month | Converts To Hijri Month |
|---|
| Jan 840 | Safar, 225 |
| Feb 840 | Rabi al-awwal, 225 |
| Mar 840 | Rabi al-thani, 225 |
| Apr 840 | Jumada al-awwal, 225 |
| May 840 | Jumada al-thani, 225 |
| Jun 840 | Rajab, 225 |
| Jul 840 | Shaban, 225 |
| Aug 840 | Ramadan, 225 |
| Sep 840 | Shawwal, 225 |
| Oct 840 | Dhu al-Hijjah, 225 |
| Nov 840 | Muharram, 226 |
| Dec 840 | Safar, 226 |