| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 409 | 19-May-1018 | Monday | 30 days. |
| Safar 409 | 18-Jun-1018 | Wednesday | 29 days. |
| Rabi al-awwal 409 | 17-Jul-1018 | Thursday | 29 days. |
| Rabi al-thani 409 | 15-Aug-1018 | Friday | 30 days. |
| Jumada al-awwal 409 | 14-Sep-1018 | Sunday | 30 days. |
| Jumada al-thani 409 | 14-Oct-1018 | Tuesday | 29 days. |
| Rajab 409 | 12-Nov-1018 | Wednesday | 30 days. |
| Shaban 409 | 12-Dec-1018 | Friday | 30 days. |
| Ramadan 409 | 11-Jan-1019 | Sunday | 29 days. |
| Shawwal 409 | 9-Feb-1019 | Monday | 30 days. |
| Dhu al-Qidah 409 | 11-Mar-1019 | Wednesday | 30 days. |
| Dhu al-Hijjah 409 | 10-Apr-1019 | Friday | 29 days. |