| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 421 | 8-Jan-1030 | Thursday | 30 days. |
| Safar 421 | 7-Feb-1030 | Saturday | 30 days. |
| Rabi al-awwal 421 | 9-Mar-1030 | Monday | 29 days. |
| Rabi al-thani 421 | 7-Apr-1030 | Tuesday | 30 days. |
| Jumada al-awwal 421 | 7-May-1030 | Thursday | 30 days. |
| Jumada al-thani 421 | 6-Jun-1030 | Saturday | 29 days. |
| Rajab 421 | 5-Jul-1030 | Sunday | 30 days. |
| Shaban 421 | 4-Aug-1030 | Tuesday | 29 days. |
| Ramadan 421 | 2-Sep-1030 | Wednesday | 29 days. |
| Shawwal 421 | 1-Oct-1030 | Thursday | 30 days. |
| Dhu al-Qidah 421 | 31-Oct-1030 | Saturday | 29 days. |
| Dhu al-Hijjah 421 | 29-Nov-1030 | Sunday | 30 days. |