Muharram 40 — Hijri to Gregorian
| Hijri Day | Hijri Month & Year | Western Date | Day of Week |
|---|---|---|---|
| 1 | Muharram, 40 | 19-May-660 | Saturday |
| 2 | Muharram, 40 | 20-May-660 | Sunday |
| 3 | Muharram, 40 | 21-May-660 | Monday |
| 4 | Muharram, 40 | 22-May-660 | Tuesday |
| 5 | Muharram, 40 | 23-May-660 | Wednesday |
| 6 | Muharram, 40 | 24-May-660 | Thursday |
| 7 | Muharram, 40 | 25-May-660 | Friday |
| 8 | Muharram, 40 | 26-May-660 | Saturday |
| 9 | Muharram, 40 | 27-May-660 | Sunday |
| 10 | Muharram, 40 | 28-May-660 | Monday |
| 11 | Muharram, 40 | 29-May-660 | Tuesday |
| 12 | Muharram, 40 | 30-May-660 | Wednesday |
| 13 | Muharram, 40 | 31-May-660 | Thursday |
| 14 | Muharram, 40 | 1-June-660 | Friday |
| 15 | Muharram, 40 | 2-June-660 | Saturday |
| 16 | Muharram, 40 | 3-June-660 | Sunday |
| 17 | Muharram, 40 | 4-June-660 | Monday |
| 18 | Muharram, 40 | 5-June-660 | Tuesday |
| 19 | Muharram, 40 | 6-June-660 | Wednesday |
| 20 | Muharram, 40 | 7-June-660 | Thursday |
| 21 | Muharram, 40 | 8-June-660 | Friday |
| 22 | Muharram, 40 | 9-June-660 | Saturday |
| 23 | Muharram, 40 | 10-June-660 | Sunday |
| 24 | Muharram, 40 | 11-June-660 | Monday |
| 25 | Muharram, 40 | 12-June-660 | Tuesday |
| 26 | Muharram, 40 | 13-June-660 | Wednesday |
| 27 | Muharram, 40 | 14-June-660 | Thursday |
| 28 | Muharram, 40 | 15-June-660 | Friday |
| 29 | Muharram, 40 | 16-June-660 | Saturday |
| 30 | Muharram, 40 | 17-June-660 | Sunday |
Baseline: Tabular (Kuwaiti) Hijri. Local moon-sighting may vary ±1 day.