Islamic Hijri Calendar For 1840 CE
| Western Month | Converts To Hijri Month |
|---|
| Jan 1840 | Shawwal, 1255 |
| Feb 1840 | Dhu al-Qidah, 1255 |
| Mar 1840 | Dhu al-Hijjah, 1255 |
| Apr 1840 | Muharram, 1256 |
| May 1840 | Safar, 1256 |
| Jun 1840 | Rabi al-awwal, 1256 |
| Jul 1840 | Jumada al-awwal, 1256 |
| Aug 1840 | Jumada al-thani, 1256 |
| Sep 1840 | Rajab, 1256 |
| Oct 1840 | Shaban, 1256 |
| Nov 1840 | Ramadan, 1256 |
| Dec 1840 | Shawwal, 1256 |