| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 999 | 30-Oct-1590 | Tuesday | 30 days. |
| Safar 999 | 29-Nov-1590 | Thursday | 29 days. |
| Rabi al-awwal 999 | 28-Dec-1590 | Friday | 30 days. |
| Rabi al-thani 999 | 27-Jan-1591 | Sunday | 29 days. |
| Jumada al-awwal 999 | 25-Feb-1591 | Monday | 30 days. |
| Jumada al-thani 999 | 27-Mar-1591 | Wednesday | 29 days. |
| Rajab 999 | 25-Apr-1591 | Thursday | 29 days. |
| Shaban 999 | 24-May-1591 | Friday | 30 days. |
| Ramadan 999 | 23-Jun-1591 | Sunday | 29 days. |
| Shawwal 999 | 22-Jul-1591 | Monday | 30 days. |
| Dhu al-Qidah 999 | 21-Aug-1591 | Wednesday | 29 days. |
| Dhu al-Hijjah 999 | 19-Sep-1591 | Thursday | 30 days. |