Portsmouth Time to GMT Converter
GMT and GMT are on the same time. 9:00 AM GMT = 9:00 AM GMT.
GMT and GMT are on the same time at the moment. Converting Portsmouth Time to GMT leaves the clock unchanged: 9:00 AM GMT = 9:00 AM GMT.
Portsmouth Time (Portsmouth time) is used in Portsmouth, UK. GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year.
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
Portsmouth Time to GMT time conversion table
Portsmouth Time to GMT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Portsmouth Time | GMT | Day |
|---|---|---|
| 12:00 AM GMT | 12:00 AM GMT | night |
| 1:00 AM GMT | 1:00 AM GMT | night |
| 2:00 AM GMT | 2:00 AM GMT | night |
| 3:00 AM GMT | 3:00 AM GMT | night |
| 4:00 AM GMT | 4:00 AM GMT | night |
| 5:00 AM GMT | 5:00 AM GMT | night |
| 6:00 AM GMT | 6:00 AM GMT | — |
| 7:00 AM GMT | 7:00 AM GMT | — |
| 8:00 AM GMT | 8:00 AM GMT | — |
| 9:00 AM GMT | 9:00 AM GMT | work hours |
| 10:00 AM GMT | 10:00 AM GMT | work hours |
| 11:00 AM GMT | 11:00 AM GMT | work hours |
| 12:00 PM GMT | 12:00 PM GMT | work hours |
| 1:00 PM GMT | 1:00 PM GMT | work hours |
| 2:00 PM GMT | 2:00 PM GMT | work hours |
| 3:00 PM GMT | 3:00 PM GMT | work hours |
| 4:00 PM GMT | 4:00 PM GMT | work hours |
| 5:00 PM GMT | 5:00 PM GMT | — |
| 6:00 PM GMT | 6:00 PM GMT | — |
| 7:00 PM GMT | 7:00 PM GMT | — |
| 8:00 PM GMT | 8:00 PM GMT | — |
| 9:00 PM GMT | 9:00 PM GMT | — |
| 10:00 PM GMT | 10:00 PM GMT | night |
| 11:00 PM GMT | 11:00 PM GMT | night |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Portsmouth Time to GMT
Portsmouth Time and GMT show the same clock time, so no adjustment is needed.
Example: 9:00 AM GMT = 9:00 AM GMT.
Time difference between Portsmouth Time and GMT
The time difference between Portsmouth Time and GMT is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: GMT and Portsmouth Time are on the same time.
- 29 Mar 2026 – 24 Oct 2026: GMT is 1 hour behind of Portsmouth Time.
- 25 Oct 2026 – 31 Dec 2026: GMT and Portsmouth Time are on the same time.
Portsmouth Time and GMT during daylight saving time
- Portsmouth Time next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
Best time for a meeting between Portsmouth Time and GMT
Portsmouth Time and GMT share 8 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 5:00 PM GMT lands between 9:00 AM and 5:00 PM GMT, inside working hours for both.
Portsmouth Time to GMT FAQ
What is the time difference between Portsmouth Time and GMT?
Right now GMT is 0 minutes the same as GMT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Portsmouth Time in GMT?
9:00 AM GMT is 9:00 AM GMT.
What is 12 PM (noon) Portsmouth Time in GMT?
12:00 PM GMT is 12:00 PM GMT.
Is GMT ahead of or behind Portsmouth Time?
Neither. GMT and GMT keep the same clock time.
Does Portsmouth Time change for daylight saving time?
Yes. Portsmouth Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Portsmouth Time and GMT?
Portsmouth Time and GMT share 8 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 5:00 PM GMT lands between 9:00 AM and 5:00 PM GMT, inside working hours for both.
Related conversions
Convert GMT to Portsmouth Time
Convert Portsmouth Time to other time zones
Convert other time zones to GMT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.