| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 21 | 10-Dec-0641 | Monday | 29 days. |
| Safar 21 | 8-Jan-0642 | Tuesday | 30 days. |
| Rabi al-awwal 21 | 7-Feb-0642 | Thursday | 29 days. |
| Rabi al-thani 21 | 8-Mar-0642 | Friday | 30 days. |
| Jumada al-awwal 21 | 7-Apr-0642 | Sunday | 29 days. |
| Jumada al-thani 21 | 6-May-0642 | Monday | 30 days. |
| Rajab 21 | 5-Jun-0642 | Wednesday | 30 days. |
| Shaban 21 | 5-Jul-0642 | Friday | 29 days. |
| Ramadan 21 | 3-Aug-0642 | Saturday | 30 days. |
| Shawwal 21 | 2-Sep-0642 | Monday | 29 days. |
| Dhu al-Qidah 21 | 1-Oct-0642 | Tuesday | 30 days. |
| Dhu al-Hijjah 21 | 31-Oct-0642 | Thursday | 29 days. |