Portsmouth time: GMT and BST
The next clock change in Portsmouth is 1 hour back on 25 October 2026 at 02:00, from UTC+1 to UTC+0.
Portsmouth on 15 October 2026: sunrise 07:27, sunset 18:12, day length 10 h 45 min.
Place| Fact | Value |
|---|
| Time zone | Europe/London |
| Offset | UTC+1 |
| Region | England |
| Latitude | 50.7990 |
| Longitude | -1.0912 |
| Population | 208,100 |
The next clock change in Portsmouth is 1 hour back on 25 October 2026 at 02:00, from UTC+1 to UTC+0.
Sun this year| Fact | Value |
|---|
| Longest day | 21 June 2026, 16 h 31 min |
| Shortest day | 21 December 2026, 7 h 57 min |
| Earliest sunrise | 04:50 on 17 June 2026 |
| Latest sunset | 21:21 on 25 June 2026 |
| Golden hour on the longest day | 21 June morning 04:50 to 05:43, evening 20:28 to 21:21 |
Next public holidays| Date | Holiday |
|---|
| 25 December 2026 | Christmas Day |
| 26 December 2026 | Boxing Day |
| 28 December 2026 | Boxing Day (substitute day) |
Working hours overlap| City | 09:00 to 17:00 |
|---|
| London | Portsmouth 09:00 to 17:00; London 09:00 to 17:00 |
| New York | Portsmouth 14:00 to 17:00; New York 09:00 to 12:00 |