Rabi Al-Thani 990 — Hijri to Gregorian
| Hijri Day | Hijri Month & Year | Western Date | Day of Week |
|---|---|---|---|
| 1 | Rabi Al-Thani, 990 | 4-May-1582 | Tuesday |
| 2 | Rabi Al-Thani, 990 | 5-May-1582 | Wednesday |
| 3 | Rabi Al-Thani, 990 | 6-May-1582 | Thursday |
| 4 | Rabi Al-Thani, 990 | 7-May-1582 | Friday |
| 5 | Rabi Al-Thani, 990 | 8-May-1582 | Saturday |
| 6 | Rabi Al-Thani, 990 | 9-May-1582 | Sunday |
| 7 | Rabi Al-Thani, 990 | 10-May-1582 | Monday |
| 8 | Rabi Al-Thani, 990 | 11-May-1582 | Tuesday |
| 9 | Rabi Al-Thani, 990 | 12-May-1582 | Wednesday |
| 10 | Rabi Al-Thani, 990 | 13-May-1582 | Thursday |
| 11 | Rabi Al-Thani, 990 | 14-May-1582 | Friday |
| 12 | Rabi Al-Thani, 990 | 15-May-1582 | Saturday |
| 13 | Rabi Al-Thani, 990 | 16-May-1582 | Sunday |
| 14 | Rabi Al-Thani, 990 | 17-May-1582 | Monday |
| 15 | Rabi Al-Thani, 990 | 18-May-1582 | Tuesday |
| 16 | Rabi Al-Thani, 990 | 19-May-1582 | Wednesday |
| 17 | Rabi Al-Thani, 990 | 20-May-1582 | Thursday |
| 18 | Rabi Al-Thani, 990 | 21-May-1582 | Friday |
| 19 | Rabi Al-Thani, 990 | 22-May-1582 | Saturday |
| 20 | Rabi Al-Thani, 990 | 23-May-1582 | Sunday |
| 21 | Rabi Al-Thani, 990 | 24-May-1582 | Monday |
| 22 | Rabi Al-Thani, 990 | 25-May-1582 | Tuesday |
| 23 | Rabi Al-Thani, 990 | 26-May-1582 | Wednesday |
| 24 | Rabi Al-Thani, 990 | 27-May-1582 | Thursday |
| 25 | Rabi Al-Thani, 990 | 28-May-1582 | Friday |
| 26 | Rabi Al-Thani, 990 | 29-May-1582 | Saturday |
| 27 | Rabi Al-Thani, 990 | 30-May-1582 | Sunday |
| 28 | Rabi Al-Thani, 990 | 31-May-1582 | Monday |
| 29 | Rabi Al-Thani, 990 | 1-June-1582 | Tuesday |
Baseline: Tabular (Kuwaiti) Hijri. Local moon-sighting may vary ±1 day.