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JST to BST Time Converter

BST is 9 hours behind JST right now. 9:00 AM in JST is 12:00 AM in BST.

Time now: JST and BST

🌐 Japan Standard Time (JST)8:59 AMTuesday, November 10 · UTC+09:00
🌐 British Summer Time (UK)11:59 PMMonday, November 9 · UTC+00:00

BST is 9 hours behind JST right now. The gap is not fixed: it is 9 hours at some times of the year and 8 hours at others, because at least one of them changes its clocks for daylight saving time.

JST to BST conversion table

Every hour of the day, using today's time difference.

JSTBST
12:00 AM3:00 PMprevious day
1:00 AM4:00 PMprevious day
2:00 AM5:00 PMprevious day
3:00 AM6:00 PMprevious day
4:00 AM7:00 PMprevious day
5:00 AM8:00 PMprevious day
6:00 AM9:00 PMprevious day
7:00 AM10:00 PMprevious day
8:00 AM11:00 PMprevious day
9:00 AM12:00 AM
10:00 AM1:00 AM
11:00 AM2:00 AM
12:00 PM3:00 AM
1:00 PM4:00 AM
2:00 PM5:00 AM
3:00 PM6:00 AM
4:00 PM7:00 AM
5:00 PM8:00 AM
6:00 PM9:00 AM
7:00 PM10:00 AM
8:00 PM11:00 AM
9:00 PM12:00 PM
10:00 PM1:00 PM
11:00 PM2:00 PM

Best time to meet between JST and BST

There is no overlap between 9 AM and 6 PM in both places.

If both sides can be flexible (7 AM – 10 PM):

  • 4:00 PM – 10:00 PM JST = 7:00 AM – 1:00 PM BST

The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.

Does the time difference between JST and BST change?

Yes. Right now BST is 9 hours behind JST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 28 March 2027: BST moves its clocks forward. BST is 8 hours behind JST from then (it was 9 hours before).
  • Sunday, 31 October 2027: BST moves its clocks back. BST is 9 hours behind JST from then (it was 8 hours before).

Office hours in each other's time

  • 9 AM to 6 PM in JST is 12:00 AM to 9:00 AM in BST.
  • 9 AM to 6 PM in BST is 6:00 PM to 3:00 AM (next day) in JST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between JST and BST?

BST is 9 hours behind JST right now. The gap is not fixed: it is 9 hours at some times of the year and 8 hours at others, because at least one of them changes its clocks for daylight saving time.

How do I convert JST to BST?

Subtract 9 hours from the JST time to get the BST time (at today's difference). 9:00 AM in JST is 12:00 AM in BST. Or use the converter above and pick any date and time.

What is the current time in BST?

It is 11:59 PM in BST on Monday, November 9 (the converter above shows it live). At the same moment it is 8:59 AM in JST.

Does the time difference between JST and BST change during the year?

Yes. Right now BST is 9 hours behind JST. Over the next 12 months the gap changes 2 times: Sunday, 28 March 2027: BST moves its clocks forward. BST is 8 hours behind JST from then (it was 9 hours before). Sunday, 31 October 2027: BST moves its clocks back. BST is 9 hours behind JST from then (it was 8 hours before).

What is the best time for a meeting between JST and BST?

The two places have no shared working hours (9 AM – 6 PM). The nearest option is 4:00 PM – 10:00 PM JST = 7:00 AM – 1:00 PM BST.

What does BST mean?

The UK uses GMT in winter and BST in summer.

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