BST to Irvine Time Converter
PST is 8 hours behind GMT. 9:00 AM GMT = 1:00 AM PST.
PST is 8 hours behind GMT at the moment. To convert BST to Irvine Time, subtract 8 hours from the BST time: 9:00 AM GMT = 1:00 AM PST.
BST (British Time) is used in United Kingdom from late March to late October. Irvine Time (Irvine time) is used in Irvine, USA.
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.
BST to Irvine Time time conversion table
BST to Irvine Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | Irvine Time | Day |
|---|---|---|
| 12:00 AM GMT | 4:00 PM PST | previous day |
| 1:00 AM GMT | 5:00 PM PST | previous day |
| 2:00 AM GMT | 6:00 PM PST | previous day |
| 3:00 AM GMT | 7:00 PM PST | previous day |
| 4:00 AM GMT | 8:00 PM PST | previous day |
| 5:00 AM GMT | 9:00 PM PST | previous day |
| 6:00 AM GMT | 10:00 PM PST | previous day |
| 7:00 AM GMT | 11:00 PM PST | previous day |
| 8:00 AM GMT | 12:00 AM PST | night |
| 9:00 AM GMT | 1:00 AM PST | night |
| 10:00 AM GMT | 2:00 AM PST | night |
| 11:00 AM GMT | 3:00 AM PST | night |
| 12:00 PM GMT | 4:00 AM PST | night |
| 1:00 PM GMT | 5:00 AM PST | night |
| 2:00 PM GMT | 6:00 AM PST | — |
| 3:00 PM GMT | 7:00 AM PST | — |
| 4:00 PM GMT | 8:00 AM PST | — |
| 5:00 PM GMT | 9:00 AM PST | — |
| 6:00 PM GMT | 10:00 AM PST | — |
| 7:00 PM GMT | 11:00 AM PST | — |
| 8:00 PM GMT | 12:00 PM PST | — |
| 9:00 PM GMT | 1:00 PM PST | — |
| 10:00 PM GMT | 2:00 PM PST | — |
| 11:00 PM GMT | 3:00 PM PST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert BST to Irvine Time
Subtract 8 hours from the BST time to get Irvine Time.
Example: 9:00 AM GMT = 1:00 AM PST.
Across midnight: 1:00 AM GMT = 5:00 PM PST (previous day). The date changes, so always check the day as well as the hour.
Time difference between BST and Irvine Time
The time difference between BST and Irvine 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:
- 1 Jan 2026 – 7 Mar 2026: Irvine Time is 8 hours behind of BST.
- 8 Mar 2026 – 28 Mar 2026: Irvine Time is 7 hours behind of BST.
- 29 Mar 2026 – 24 Oct 2026: Irvine Time is 8 hours behind of BST.
- 25 Oct 2026 – 31 Oct 2026: Irvine Time is 7 hours behind of BST.
- 1 Nov 2026 – 31 Dec 2026: Irvine Time is 8 hours behind of BST.
BST and Irvine Time during daylight saving time
- 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).
- Irvine 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).
Best time for a meeting between BST and Irvine Time
BST and Irvine Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM GMT, which is 7:00 AM PST.
BST to Irvine Time FAQ
What is the time difference between BST and Irvine Time?
Right now PST is 8 hours behind GMT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM BST in Irvine Time?
9:00 AM GMT is 1:00 AM PST.
What is 12 PM (noon) BST in Irvine Time?
12:00 PM GMT is 4:00 AM PST.
Is Irvine Time ahead of or behind BST?
PST is 8 hours behind GMT, so it is earlier in Irvine Time than in BST.
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.
Does Irvine Time change for daylight saving time?
Yes. Irvine Time next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
What is the best time for a meeting between BST and Irvine Time?
BST and Irvine Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM GMT, which is 7:00 AM PST.
Related conversions
Convert Irvine Time to BST
Convert BST to other time zones
Convert other time zones to Irvine Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.