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