Ramadan 21 — Hijri to Gregorian
| Hijri Day | Hijri Month & Year | Western Date | Day of Week |
|---|---|---|---|
| 1 | Ramadan, 21 | 5-August-642 | Friday |
| 2 | Ramadan, 21 | 6-August-642 | Saturday |
| 3 | Ramadan, 21 | 7-August-642 | Sunday |
| 4 | Ramadan, 21 | 8-August-642 | Monday |
| 5 | Ramadan, 21 | 9-August-642 | Tuesday |
| 6 | Ramadan, 21 | 10-August-642 | Wednesday |
| 7 | Ramadan, 21 | 11-August-642 | Thursday |
| 8 | Ramadan, 21 | 12-August-642 | Friday |
| 9 | Ramadan, 21 | 13-August-642 | Saturday |
| 10 | Ramadan, 21 | 14-August-642 | Sunday |
| 11 | Ramadan, 21 | 15-August-642 | Monday |
| 12 | Ramadan, 21 | 16-August-642 | Tuesday |
| 13 | Ramadan, 21 | 17-August-642 | Wednesday |
| 14 | Ramadan, 21 | 18-August-642 | Thursday |
| 15 | Ramadan, 21 | 19-August-642 | Friday |
| 16 | Ramadan, 21 | 20-August-642 | Saturday |
| 17 | Ramadan, 21 | 21-August-642 | Sunday |
| 18 | Ramadan, 21 | 22-August-642 | Monday |
| 19 | Ramadan, 21 | 23-August-642 | Tuesday |
| 20 | Ramadan, 21 | 24-August-642 | Wednesday |
| 21 | Ramadan, 21 | 25-August-642 | Thursday |
| 22 | Ramadan, 21 | 26-August-642 | Friday |
| 23 | Ramadan, 21 | 27-August-642 | Saturday |
| 24 | Ramadan, 21 | 28-August-642 | Sunday |
| 25 | Ramadan, 21 | 29-August-642 | Monday |
| 26 | Ramadan, 21 | 30-August-642 | Tuesday |
| 27 | Ramadan, 21 | 31-August-642 | Wednesday |
| 28 | Ramadan, 21 | 1-September-642 | Thursday |
| 29 | Ramadan, 21 | 2-September-642 | Friday |
| 30 | Ramadan, 21 | 3-September-642 | Saturday |
Baseline: Tabular (Kuwaiti) Hijri. Local moon-sighting may vary ±1 day.