JST to BST Time Converter
Convert Japan Standard Time to British Summer Time instantly.
Scroll the timeline to check any hour of the day.
Japan Standard Time
JST
3:06
British Summer Time
BST
7:06
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How the JST to BST time difference works
BST is 8 hours behind JST. Japan Standard Time (JST) is the time zone of Japan. British Summer Time (BST) is the spring-to-autumn daylight time of the United Kingdom, fixed at one hour ahead of GMT. For example, 9:00 AM JST is 1:00 AM BST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
8 hours
Daylight saving
Neither
JST offset
UTC+9
BST offset
UTC+1
JST to BST conversion chart
| Japan Standard Time (JST) | British Summer Time (BST) |
|---|---|
| 12:00 AM | 4:00 PM -1 day |
| 1:00 AM | 5:00 PM -1 day |
| 2:00 AM | 6:00 PM -1 day |
| 3:00 AM | 7:00 PM -1 day |
| 4:00 AM | 8:00 PM -1 day |
| 5:00 AM | 9:00 PM -1 day |
| 6:00 AM | 10:00 PM -1 day |
| 7:00 AM | 11:00 PM -1 day |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Cities in each time zone
Japan Standard Time (JST)
TokyoOsakaYokohamaNagoyaSapporo
British Summer Time (BST)
LondonManchesterBirminghamGlasgowLiverpoolEdinburgh
JST to BST questions
Is BST ahead of or behind JST?
BST is 8 hours behind JST. So 9:00 AM JST is 1:00 AM BST, and 5:00 PM JST is 9:00 AM BST.
What time is it in BST when it is 12:00 PM JST?
When it is 12:00 PM (noon) JST in Japan Standard Time, it is 4:00 AM BST in British Summer Time.
How many hours difference is there between JST and BST?
There is a 8 hours difference. British Summer Time (BST) runs 8 hours behind Japan Standard Time (JST).
Do JST and BST observe daylight saving time?
Neither Japan Standard Time nor British Summer Time shifts its clocks for daylight saving time, so the 8 hours difference between them is the same all year. BST is itself the daylight-saving period of the United Kingdom: clocks there run on BST from late March to late October and return to GMT in winter.
What is the best time to schedule a meeting between JST and BST?
A standard 9-to-5 workday in Japan Standard Time and British Summer Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use JST and BST?
Japan Standard Time (JST) covers cities such as Tokyo, Osaka, Yokohama, Nagoya, Sapporo. British Summer Time (BST) covers cities such as London, Manchester, Birmingham, Glasgow, Liverpool, Edinburgh.