BST to Osaka Time Converter
JST is 9 hours ahead of GMT. 9:00 AM GMT = 6:00 PM JST.
JST is 9 hours ahead of GMT at the moment. To convert BST to Osaka Time, add 9 hours to the BST time: 9:00 AM GMT = 6:00 PM JST.
BST (British Time) is used in United Kingdom from late March to late October. Osaka Time (Osaka time) is used in Osaka, Japan.
BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT.
BST to Osaka Time time conversion table
BST to Osaka Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | Osaka Time |
|---|---|
| 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 |
| BST | Osaka Time |
|---|---|
| 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 | 12:00 AM+1 |
| BST | Osaka Time |
|---|---|
| 4:00 PM | 1:00 AM+1 |
| 5:00 PM | 2:00 AM+1 |
| 6:00 PM | 3:00 AM+1 |
| 7:00 PM | 4:00 AM+1 |
| 8:00 PM | 5:00 AM+1 |
| 9:00 PM | 6:00 AM+1 |
| 10:00 PM | 7:00 AM+1 |
| 11:00 PM | 8:00 AM+1 |
Conversion table from BST to Osaka Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Osaka Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert BST to Osaka Time
Add 9 hours to the BST time to get Osaka Time.
Example: 9:00 AM GMT = 6:00 PM JST.
Across midnight: 10:00 PM GMT = 7:00 AM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between BST and Osaka Time
The time difference between BST and Osaka Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: Osaka Time is 9 hours ahead of BST.
- 29 Mar 2026 – 24 Oct 2026: Osaka Time is 8 hours ahead of BST.
- 25 Oct 2026 – 31 Dec 2026: Osaka Time is 9 hours ahead of BST.
BST and Osaka Time during daylight saving time
- BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
- Osaka Time does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between BST and Osaka Time
BST and Osaka Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM JST.
BST to Osaka Time FAQ
What is the time difference between BST and Osaka Time?
Right now JST is 9 hours ahead of GMT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM BST in Osaka Time?
9:00 AM GMT is 6:00 PM JST.
What is 12 PM (noon) BST in Osaka Time?
12:00 PM GMT is 9:00 PM JST.
Is Osaka Time ahead of or behind BST?
JST is 9 hours ahead of GMT, so it is later in Osaka Time than in BST.
Does BST change for daylight saving time?
Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does Osaka Time change for daylight saving time?
No. Osaka Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between BST and Osaka Time?
BST and Osaka Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM JST.
Related conversions
Convert Osaka Time to BST
Convert BST to other time zones
Convert other time zones to Osaka Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.