BST to JST time converter
Japan Standard Time (JST) is 9 hours ahead of British Time (BST) in January and 8 hours ahead in July, because daylight saving time shifts the difference. Use the grid below to line up London and Tokyo: drag the cursor across the day, and working hours (9 AM–5 PM) are highlighted in every row so you can spot a slot that suits both sides.
Right now it is 10:43 BST in London and 18:43 JST in Tokyo.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
BST to JST: frequently asked
What is the time difference between BST and JST?
Japan Standard Time (JST) is 9 hours ahead of British Time (BST) in January and 8 hours ahead in July, because daylight saving time shifts the difference.
What time is 9 AM BST in JST?
9:00 AM BST is 6:00 PM JST in January, and 5:00 PM JST in July.
When do working hours overlap between London and Tokyo?
In January: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 8:00 AM BST, which is 5:00 PM JST. In July: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 9:00 AM BST, which is 5:00 PM JST.