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HST to BST converter

BST is 10 hours ahead of HST today. HST (Hawaii Standard Time) - currently UTC−10; BST (British Summer Time) - currently UTC+0.

The 09:00-18:00 workdays in HST and BST don't overlap at all, so one side always works early or late. Quick answers: 9 AM HST = 7 PM BST, 12 PM HST = 10 PM BST, 5 PM HST = 3 AM BST (next day).

HST · Hawaii Standard Time

UTC−10

BST · British Summer Time

UTC+0

Convert a time

BST
--:--

Working hours side by side

columns: HST hours
PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged

HST to BST conversion table

HSTBSTVerdict in BST
12 AM · 00:0010 AM · 10:00PING
1 AM · 01:0011 AM · 11:00PING
2 AM · 02:0012 PM · 12:00PING
3 AM · 03:001 PM · 13:00PING
4 AM · 04:002 PM · 14:00PING
5 AM · 05:003 PM · 15:00PING
6 AM · 06:004 PM · 16:00PING
7 AM · 07:005 PM · 17:00PING
8 AM · 08:006 PM · 18:00MAYBE
9 AM · 09:007 PM · 19:00MAYBE
10 AM · 10:008 PM · 20:00MAYBE
11 AM · 11:009 PM · 21:00NOT NOW
12 PM · 12:0010 PM · 22:00NOT NOW
1 PM · 13:0011 PM · 23:00NOT NOW
2 PM · 14:0012 AM · 00:00 (next day)NOT NOW
3 PM · 15:001 AM · 01:00 (next day)NOT NOW
4 PM · 16:002 AM · 02:00 (next day)NOT NOW
5 PM · 17:003 AM · 03:00 (next day)NOT NOW
6 PM · 18:004 AM · 04:00 (next day)NOT NOW
7 PM · 19:005 AM · 05:00 (next day)NOT NOW
8 PM · 20:006 AM · 06:00 (next day)NOT NOW
9 PM · 21:007 AM · 07:00 (next day)MAYBE
10 PM · 22:008 AM · 08:00 (next day)MAYBE
11 PM · 23:009 AM · 09:00 (next day)PING

Cities on HST

Pacific/Honolulu
HonoluluEast HonoluluPearl CityWaiau-Pacific PalisadesMakakilo / Kapolei / Honokai HaleKalihi-Palama

Cities on BST

Europe/London
LondonBirminghamGlasgowManchesterLeedsEdinburgh

Other conversions

All converters
BST → HSTHST → ESTHST → EDTHST → PSTHST → PDTHST → CSTHST → CDTHST → MSTHST → GMTHST → UTCHST → CET

Questions

What is the time difference between HST and BST?

BST (British Summer Time) is 10 hours ahead of HST (Hawaii Standard Time) right now: UTC−10 versus UTC+0.

What is 9 AM HST in BST?

9:00 AM HST is 7 PM BST.

What is 5 PM HST in BST?

5:00 PM HST is 3 AM BST (next day).

Does daylight saving change the HST–BST difference?

HST has no daylight saving; it stays UTC−10 all year. London switches between BST; next change Sunday, 28 March 2027 (UTC+0 → UTC+1).