Dhu Al-Hijjah 18 — Hijri to Gregorian
| Hijri Day | Hijri Month & Year | Western Date | Day of Week |
|---|---|---|---|
| 1 | Dhu Al-Hijjah, 18 | 5-December-639 | Thursday |
| 2 | Dhu Al-Hijjah, 18 | 6-December-639 | Friday |
| 3 | Dhu Al-Hijjah, 18 | 7-December-639 | Saturday |
| 4 | Dhu Al-Hijjah, 18 | 8-December-639 | Sunday |
| 5 | Dhu Al-Hijjah, 18 | 9-December-639 | Monday |
| 6 | Dhu Al-Hijjah, 18 | 10-December-639 | Tuesday |
| 7 | Dhu Al-Hijjah, 18 | 11-December-639 | Wednesday |
| 8 | Dhu Al-Hijjah, 18 | 12-December-639 | Thursday |
| 9 | Dhu Al-Hijjah, 18 | 13-December-639 | Friday |
| 10 | Dhu Al-Hijjah, 18 | 14-December-639 | Saturday |
| 11 | Dhu Al-Hijjah, 18 | 15-December-639 | Sunday |
| 12 | Dhu Al-Hijjah, 18 | 16-December-639 | Monday |
| 13 | Dhu Al-Hijjah, 18 | 17-December-639 | Tuesday |
| 14 | Dhu Al-Hijjah, 18 | 18-December-639 | Wednesday |
| 15 | Dhu Al-Hijjah, 18 | 19-December-639 | Thursday |
| 16 | Dhu Al-Hijjah, 18 | 20-December-639 | Friday |
| 17 | Dhu Al-Hijjah, 18 | 21-December-639 | Saturday |
| 18 | Dhu Al-Hijjah, 18 | 22-December-639 | Sunday |
| 19 | Dhu Al-Hijjah, 18 | 23-December-639 | Monday |
| 20 | Dhu Al-Hijjah, 18 | 24-December-639 | Tuesday |
| 21 | Dhu Al-Hijjah, 18 | 25-December-639 | Wednesday |
| 22 | Dhu Al-Hijjah, 18 | 26-December-639 | Thursday |
| 23 | Dhu Al-Hijjah, 18 | 27-December-639 | Friday |
| 24 | Dhu Al-Hijjah, 18 | 28-December-639 | Saturday |
| 25 | Dhu Al-Hijjah, 18 | 29-December-639 | Sunday |
| 26 | Dhu Al-Hijjah, 18 | 30-December-639 | Monday |
| 27 | Dhu Al-Hijjah, 18 | 31-December-639 | Tuesday |
| 28 | Dhu Al-Hijjah, 18 | 1-January-640 | Wednesday |
| 29 | Dhu Al-Hijjah, 18 | 2-January-640 | Thursday |
| 30 | Dhu Al-Hijjah, 18 | 3-January-640 | Friday |
Baseline: Tabular (Kuwaiti) Hijri. Local moon-sighting may vary ±1 day.