Muharram 631 — Hijri to Gregorian
| Hijri Day | Hijri Month & Year | Western Date | Day of Week |
|---|---|---|---|
| 1 | Muharram, 631 | 13-October-1233 | Thursday |
| 2 | Muharram, 631 | 14-October-1233 | Friday |
| 3 | Muharram, 631 | 15-October-1233 | Saturday |
| 4 | Muharram, 631 | 16-October-1233 | Sunday |
| 5 | Muharram, 631 | 17-October-1233 | Monday |
| 6 | Muharram, 631 | 18-October-1233 | Tuesday |
| 7 | Muharram, 631 | 19-October-1233 | Wednesday |
| 8 | Muharram, 631 | 20-October-1233 | Thursday |
| 9 | Muharram, 631 | 21-October-1233 | Friday |
| 10 | Muharram, 631 | 22-October-1233 | Saturday |
| 11 | Muharram, 631 | 23-October-1233 | Sunday |
| 12 | Muharram, 631 | 24-October-1233 | Monday |
| 13 | Muharram, 631 | 25-October-1233 | Tuesday |
| 14 | Muharram, 631 | 26-October-1233 | Wednesday |
| 15 | Muharram, 631 | 27-October-1233 | Thursday |
| 16 | Muharram, 631 | 28-October-1233 | Friday |
| 17 | Muharram, 631 | 29-October-1233 | Saturday |
| 18 | Muharram, 631 | 30-October-1233 | Sunday |
| 19 | Muharram, 631 | 31-October-1233 | Monday |
| 20 | Muharram, 631 | 1-November-1233 | Tuesday |
| 21 | Muharram, 631 | 2-November-1233 | Wednesday |
| 22 | Muharram, 631 | 3-November-1233 | Thursday |
| 23 | Muharram, 631 | 4-November-1233 | Friday |
| 24 | Muharram, 631 | 5-November-1233 | Saturday |
| 25 | Muharram, 631 | 6-November-1233 | Sunday |
| 26 | Muharram, 631 | 7-November-1233 | Monday |
| 27 | Muharram, 631 | 8-November-1233 | Tuesday |
| 28 | Muharram, 631 | 9-November-1233 | Wednesday |
| 29 | Muharram, 631 | 10-November-1233 | Thursday |
| 30 | Muharram, 631 | 11-November-1233 | Friday |
Baseline: Tabular (Kuwaiti) Hijri. Local moon-sighting may vary ±1 day.