BST to HST: British Summer Time to Hawaii-Aleutian Standard Time

10 hours behind BST

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BST to HST conversion table

For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.

BSTHST
12:00 AM2:00 PM (previous day)
1:00 AM3:00 PM (previous day)
2:00 AM4:00 PM (previous day)
3:00 AM5:00 PM (previous day)
4:00 AM6:00 PM (previous day)
5:00 AM7:00 PM (previous day)
6:00 AM8:00 PM (previous day)
7:00 AM9:00 PM (previous day)
8:00 AM10:00 PM (previous day)
9:00 AM11:00 PM (previous day)
10:00 AM12:00 AM
11:00 AM1:00 AM
12:00 PM2:00 AM
1:00 PM3:00 AM
2:00 PM4:00 AM
3:00 PM5:00 AM
4:00 PM6:00 AM
5:00 PM7:00 AM
6:00 PM8:00 AM
7:00 PM9:00 AM
8:00 PM10:00 AM
9:00 PM11:00 AM
10:00 PM12:00 PM
11:00 PM1:00 PM

About these time zones

BST: Greenwich Mean Time

British Summer Time (BST). The United Kingdom from late March to late October (UTC+1). In winter the UK returns to GMT. BST is also sometimes used for Bangladesh Standard Time (UTC+6); this page means British time.

Sunday, March 28, 2027: clocks go forward 1 hour at 1:00 AM local time (UTC+0 → UTC+1).

HST: Hawaii-Aleutian Standard Time

Hawaii-Aleutian Standard Time (HST). Hawaii, which stays on UTC−10 all year and does not observe daylight saving time.

No clock change is scheduled; the offset stays the same all year.

Questions about BST and HST time

What is the time difference between BST and HST?

The current difference is shown at the top of this page. BST uses Greenwich Mean Time (GMT, UTC+0) as standard time and British Summer Time (BST, UTC+1) during daylight saving time; HST uses Hawaii-Aleutian Standard Time (HST, UTC−10) all year. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.

When it is 9:00 AM in BST, what time is it in HST?

On Tuesday, November 3, 2026, 9:00 AM in BST was 11:00 PM (previous day) in HST. The conversion table above shows today’s values.

Do the clocks change in BST or HST?

BST: Sunday, March 28, 2027: clocks go forward 1 hour at 1:00 AM local time (UTC+0 → UTC+1). HST does not change its clocks.

Is BST the same as BST?

British Summer Time does not use daylight saving time, so BST applies all year.

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