BST to JST Converter – British Summer Time to Japan Standard Time
JST is 8 hours ahead of BST. BST (British Summer Time) is UTC+1 all year, while JST (Japan Standard Time) is UTC+9 all year. The live clocks below show the current time in both zones, updated every second.
BST to JST Conversion Table (Hour by Hour)
Standard-time conversion from British Summer Time to Japan Standard Time.
| BST (UTC+1) | JST (UTC+9) |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM (next day) |
| 5:00 PM | 1:00 AM (next day) |
| 6:00 PM | 2:00 AM (next day) |
| 7:00 PM | 3:00 AM (next day) |
| 8:00 PM | 4:00 AM (next day) |
| 9:00 PM | 5:00 AM (next day) |
| 10:00 PM | 6:00 AM (next day) |
| 11:00 PM | 7:00 AM (next day) |
Frequently Asked Questions
What is the time difference between BST and JST?
JST is 8 hours ahead of BST. BST (British Summer Time) is UTC+1 and JST (Japan Standard Time) is UTC+9.
How do I convert BST to JST?
Take your time in BST and add 8 hours. For example, 9:00 AM BST is 5:00 PM in JST. The live clocks at the top of this page always show the current conversion.
Does daylight saving time affect BST to JST conversion?
No. Neither BST nor JST observes daylight saving time, so the difference between them is the same all year round.
What is the best time for a meeting between BST and JST?
Look for overlap between 9:00 AM-6:00 PM working hours in both zones using the conversion table above. JST is 8 hours ahead of BST, so overlap is limited - early morning in one zone and evening in the other usually works best.