PST to Portsmouth Time Converter
GMT is 8 hours ahead of PST. 9:00 AM PST = 5:00 PM GMT.
GMT is 8 hours ahead of PST at the moment. To convert PST to Portsmouth Time, add 8 hours to the PST time: 9:00 AM PST = 5:00 PM GMT.
PST (Pacific Time) is used in Los Angeles, San Francisco, Seattle, Las Vegas, Portland, Vancouver. Portsmouth Time (Portsmouth time) is used in Portsmouth, UK.
PST here means Pacific Standard Time, not Philippine Standard Time.
PST to Portsmouth Time time conversion table
PST to Portsmouth Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| PST | Portsmouth Time |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| PST | Portsmouth Time |
|---|---|
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| PST | Portsmouth Time |
|---|---|
| 4:00 PM | 12:00 AM+1 |
| 5:00 PM | 1:00 AM+1 |
| 6:00 PM | 2:00 AM+1 |
| 7:00 PM | 3:00 AM+1 |
| 8:00 PM | 4:00 AM+1 |
| 9:00 PM | 5:00 AM+1 |
| 10:00 PM | 6:00 AM+1 |
| 11:00 PM | 7:00 AM+1 |
Conversion table from PST to Portsmouth Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Portsmouth Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert PST to Portsmouth Time
Add 8 hours to the PST time to get Portsmouth Time.
Example: 9:00 AM PST = 5:00 PM GMT.
Across midnight: 10:00 PM PST = 6:00 AM GMT (next day). The date changes, so always check the day as well as the hour.
Time difference between PST and Portsmouth Time
The time difference between PST and Portsmouth Time 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:
- 31 Dec 2025 – 7 Mar 2026: Portsmouth Time is 8 hours ahead of PST.
- 8 Mar 2026 – 27 Mar 2026: Portsmouth Time is 7 hours ahead of PST.
- 28 Mar 2026 – 23 Oct 2026: Portsmouth Time is 8 hours ahead of PST.
- 24 Oct 2026 – 31 Oct 2026: Portsmouth Time is 7 hours ahead of PST.
- 1 Nov 2026 – 30 Dec 2026: Portsmouth Time is 8 hours ahead of PST.
PST and Portsmouth Time during daylight saving time
- PST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
- 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).
Best time for a meeting between PST and Portsmouth Time
PST and Portsmouth Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM PST, which is 3:00 PM GMT.
PST to Portsmouth Time FAQ
What is the time difference between PST and Portsmouth Time?
Right now GMT is 8 hours ahead of PST. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM PST in Portsmouth Time?
9:00 AM PST is 5:00 PM GMT.
What is 12 PM (noon) PST in Portsmouth Time?
12:00 PM PST is 8:00 PM GMT.
Is Portsmouth Time ahead of or behind PST?
GMT is 8 hours ahead of PST, so it is later in Portsmouth Time than in PST.
Does PST change for daylight saving time?
Yes. PST next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
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.
What is the best time for a meeting between PST and Portsmouth Time?
PST and Portsmouth Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM PST, which is 3:00 PM GMT.
Is PT the same as PST?
PST is the winter (standard) name of Pacific Time (PT). From March to November the same clocks are called PDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert Portsmouth Time to PST
Convert PST to other time zones
Convert other time zones to Portsmouth Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.