Muharram 640 — Hijri to Gregorian
| Hijri Day | Hijri Month & Year | Western Date | Day of Week |
|---|---|---|---|
| 1 | Muharram, 640 | 7-July-1242 | Monday |
| 2 | Muharram, 640 | 8-July-1242 | Tuesday |
| 3 | Muharram, 640 | 9-July-1242 | Wednesday |
| 4 | Muharram, 640 | 10-July-1242 | Thursday |
| 5 | Muharram, 640 | 11-July-1242 | Friday |
| 6 | Muharram, 640 | 12-July-1242 | Saturday |
| 7 | Muharram, 640 | 13-July-1242 | Sunday |
| 8 | Muharram, 640 | 14-July-1242 | Monday |
| 9 | Muharram, 640 | 15-July-1242 | Tuesday |
| 10 | Muharram, 640 | 16-July-1242 | Wednesday |
| 11 | Muharram, 640 | 17-July-1242 | Thursday |
| 12 | Muharram, 640 | 18-July-1242 | Friday |
| 13 | Muharram, 640 | 19-July-1242 | Saturday |
| 14 | Muharram, 640 | 20-July-1242 | Sunday |
| 15 | Muharram, 640 | 21-July-1242 | Monday |
| 16 | Muharram, 640 | 22-July-1242 | Tuesday |
| 17 | Muharram, 640 | 23-July-1242 | Wednesday |
| 18 | Muharram, 640 | 24-July-1242 | Thursday |
| 19 | Muharram, 640 | 25-July-1242 | Friday |
| 20 | Muharram, 640 | 26-July-1242 | Saturday |
| 21 | Muharram, 640 | 27-July-1242 | Sunday |
| 22 | Muharram, 640 | 28-July-1242 | Monday |
| 23 | Muharram, 640 | 29-July-1242 | Tuesday |
| 24 | Muharram, 640 | 30-July-1242 | Wednesday |
| 25 | Muharram, 640 | 31-July-1242 | Thursday |
| 26 | Muharram, 640 | 1-August-1242 | Friday |
| 27 | Muharram, 640 | 2-August-1242 | Saturday |
| 28 | Muharram, 640 | 3-August-1242 | Sunday |
| 29 | Muharram, 640 | 4-August-1242 | Monday |
| 30 | Muharram, 640 | 5-August-1242 | Tuesday |
Baseline: Tabular (Kuwaiti) Hijri. Local moon-sighting may vary ±1 day.