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BST to JST converter

JST is 9 hours ahead of BST today. BST (British Summer Time) - currently UTC+0; JST (Japan Standard Time) - currently UTC+9.

The 09:00-18:00 workdays in BST and JST don't overlap at all, so one side always works early or late. Quick answers: 9 AM BST = 6 PM JST, 12 PM BST = 9 PM JST, 5 PM BST = 2 AM JST (next day).

BST · British Summer Time

UTC+0

JST · Japan Standard Time

UTC+9

Convert a time

JST
--:--

Working hours side by side

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

BST to JST conversion table

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

Cities on BST

Europe/London
LondonBirminghamGlasgowManchesterLeedsEdinburgh

Cities on JST

Asia/Tokyo
TokyoYokohamaOsakaNagoyaSapporoFukuoka

Other conversions

All converters
JST → BSTBST → ESTBST → EDTBST → PSTBST → PDTBST → CSTBST → CDTBST → MSTBST → GMTBST → UTCBST → CET

Questions

What is the time difference between BST and JST?

JST (Japan Standard Time) is 9 hours ahead of BST (British Summer Time) right now: UTC+0 versus UTC+9.

What is 9 AM BST in JST?

9:00 AM BST is 6 PM JST.

What is 5 PM BST in JST?

5:00 PM BST is 2 AM JST (next day).

Does daylight saving change the BST–JST difference?

London switches between BST; next change Sunday, 28 March 2027 (UTC+0 → UTC+1). JST has no daylight saving; it stays UTC+9 all year.