Seattle Time to BST 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 Seattle Time to BST, add 8 hours to the Seattle Time time: 9:00 AM PST = 5:00 PM GMT.
Seattle Time (Seattle time) is used in Seattle, USA. BST (British Time) is used in United Kingdom from late March to late October.
BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT.
Seattle Time to BST time conversion table
Seattle Time to BST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Seattle Time | BST | Day |
|---|---|---|
| 12:00 AM PST | 8:00 AM GMT | — |
| 1:00 AM PST | 9:00 AM GMT | — |
| 2:00 AM PST | 10:00 AM GMT | — |
| 3:00 AM PST | 11:00 AM GMT | — |
| 4:00 AM PST | 12:00 PM GMT | — |
| 5:00 AM PST | 1:00 PM GMT | — |
| 6:00 AM PST | 2:00 PM GMT | — |
| 7:00 AM PST | 3:00 PM GMT | — |
| 8:00 AM PST | 4:00 PM GMT | — |
| 9:00 AM PST | 5:00 PM GMT | — |
| 10:00 AM PST | 6:00 PM GMT | — |
| 11:00 AM PST | 7:00 PM GMT | — |
| 12:00 PM PST | 8:00 PM GMT | — |
| 1:00 PM PST | 9:00 PM GMT | — |
| 2:00 PM PST | 10:00 PM GMT | night |
| 3:00 PM PST | 11:00 PM GMT | night |
| 4:00 PM PST | 12:00 AM GMT | next day |
| 5:00 PM PST | 1:00 AM GMT | next day |
| 6:00 PM PST | 2:00 AM GMT | next day |
| 7:00 PM PST | 3:00 AM GMT | next day |
| 8:00 PM PST | 4:00 AM GMT | next day |
| 9:00 PM PST | 5:00 AM GMT | next day |
| 10:00 PM PST | 6:00 AM GMT | next day |
| 11:00 PM PST | 7:00 AM GMT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Seattle Time to BST
Add 8 hours to the Seattle Time time to get BST.
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 Seattle Time and BST
The time difference between Seattle Time and BST 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: BST is 8 hours ahead of Seattle Time.
- 8 Mar 2026 – 27 Mar 2026: BST is 7 hours ahead of Seattle Time.
- 28 Mar 2026 – 23 Oct 2026: BST is 8 hours ahead of Seattle Time.
- 24 Oct 2026 – 31 Oct 2026: BST is 7 hours ahead of Seattle Time.
- 1 Nov 2026 – 30 Dec 2026: BST is 8 hours ahead of Seattle Time.
Seattle Time and BST during daylight saving time
- Seattle Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
- BST 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 Seattle Time and BST
Seattle Time and BST 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.
Seattle Time to BST FAQ
What is the time difference between Seattle Time and BST?
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 Seattle Time in BST?
9:00 AM PST is 5:00 PM GMT.
What is 12 PM (noon) Seattle Time in BST?
12:00 PM PST is 8:00 PM GMT.
Is BST ahead of or behind Seattle Time?
GMT is 8 hours ahead of PST, so it is later in BST than in Seattle Time.
Does Seattle Time change for daylight saving time?
Yes. Seattle Time next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
Does BST change for daylight saving time?
Yes. BST 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 Seattle Time and BST?
Seattle Time and BST 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.
Related conversions
Convert BST to Seattle Time
Convert Seattle Time to other time zones
Convert other time zones to BST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.