| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 421 | 8-January-1030 | Thursday | 30 days. |
| Safar 421 | 7-February-1030 | Saturday | 30 days. |
| Rabi Al-Awwal 421 | 9-March-1030 | Monday | 29 days. |
| Rabi Al-Thani 421 | 7-April-1030 | Tuesday | 30 days. |
| Jumada Al-Awwal 421 | 7-May-1030 | Thursday | 30 days. |
| Jumada Al-Thani 421 | 6-June-1030 | Saturday | 29 days. |
| Rajab 421 | 5-July-1030 | Sunday | 30 days. |
| Shaban 421 | 4-August-1030 | Tuesday | 29 days. |
| Ramadan 421 | 2-September-1030 | Wednesday | 29 days. |
| Shawwal 421 | 1-October-1030 | Thursday | 30 days. |
| Dhu Al-Qidah 421 | 31-October-1030 | Saturday | 29 days. |
| Dhu Al-Hijjah 421 | 29-November-1030 | Sunday | 30 days. |