HST to BST Converter

BST is 11h 0m ahead of HST. When it's 12:00 PM HST, it's 11:00 PM BST.

From

HST · UTC-10

6:09:47PM

Hawaii Standard Time

e.g. Honolulu

To

BST · UTC+1

5:09:47AM

British Summer Time

e.g. London, Dublin

Open in World ClockBST → HST
9:00 AM HST=8:00 PM BST
12:00 PM HST=11:00 PM BST
5:00 PM HST=4:00 AM(+1 day) BST

Hourly conversion (HST → BST)

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

Shaded rows are within standard working hours (8am–6pm) on both sides.

Hawaii does not observe daylight saving time, so HST (UTC−10) applies year-round.

BST here is British Summer Time (UTC+1); in winter the UK uses GMT (UTC+0). BST can also mean Bangladesh Standard Time (UTC+6).

More HST conversions

Frequently asked questions

What is the time difference between HST and BST?
BST is 11h 0m ahead of HST. HST is UTC-10 and BST is UTC+1.
What is 12:00 PM HST in BST?
12:00 PM HST is 11:00 PM BST.
Does HST change for daylight saving time?
Hawaii does not observe daylight saving time, so HST (UTC−10) applies year-round.