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
5:24
British Summer Time
BST
9:24
JST is on standard time (JST), while BST is on daylight savings (BST) right now.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
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. 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
BST only
JST offset
UTC+9
BST offset
UTC+0
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)
LondonManchesterBirminghamGlasgowLiverpoolBristol
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?
British Summer Time observes daylight saving time but Japan Standard Time does not, so the difference between them changes by an hour twice a year.
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, Bristol.