Shawwal 1255 — Hijri to Gregorian
| Hijri Day | Hijri Month & Year | Western Date | Day of Week |
|---|---|---|---|
| 1 | Shawwal, 1255 | 7-December-1839 | Saturday |
| 2 | Shawwal, 1255 | 8-December-1839 | Sunday |
| 3 | Shawwal, 1255 | 9-December-1839 | Monday |
| 4 | Shawwal, 1255 | 10-December-1839 | Tuesday |
| 5 | Shawwal, 1255 | 11-December-1839 | Wednesday |
| 6 | Shawwal, 1255 | 12-December-1839 | Thursday |
| 7 | Shawwal, 1255 | 13-December-1839 | Friday |
| 8 | Shawwal, 1255 | 14-December-1839 | Saturday |
| 9 | Shawwal, 1255 | 15-December-1839 | Sunday |
| 10 | Shawwal, 1255 | 16-December-1839 | Monday |
| 11 | Shawwal, 1255 | 17-December-1839 | Tuesday |
| 12 | Shawwal, 1255 | 18-December-1839 | Wednesday |
| 13 | Shawwal, 1255 | 19-December-1839 | Thursday |
| 14 | Shawwal, 1255 | 20-December-1839 | Friday |
| 15 | Shawwal, 1255 | 21-December-1839 | Saturday |
| 16 | Shawwal, 1255 | 22-December-1839 | Sunday |
| 17 | Shawwal, 1255 | 23-December-1839 | Monday |
| 18 | Shawwal, 1255 | 24-December-1839 | Tuesday |
| 19 | Shawwal, 1255 | 25-December-1839 | Wednesday |
| 20 | Shawwal, 1255 | 26-December-1839 | Thursday |
| 21 | Shawwal, 1255 | 27-December-1839 | Friday |
| 22 | Shawwal, 1255 | 28-December-1839 | Saturday |
| 23 | Shawwal, 1255 | 29-December-1839 | Sunday |
| 24 | Shawwal, 1255 | 30-December-1839 | Monday |
| 25 | Shawwal, 1255 | 31-December-1839 | Tuesday |
| 26 | Shawwal, 1255 | 1-January-1840 | Wednesday |
| 27 | Shawwal, 1255 | 2-January-1840 | Thursday |
| 28 | Shawwal, 1255 | 3-January-1840 | Friday |
| 29 | Shawwal, 1255 | 4-January-1840 | Saturday |
Baseline: Tabular (Kuwaiti) Hijri. Local moon-sighting may vary ±1 day.