What is 8 AM BST in JST?
8 AM BST = 11:00 AM JST (11:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
Timezone converter
BST to JST currently uses Bangladesh Time in Asia/Dhaka and Japan Time in Asia/Tokyo as the live reference pair. Right now the gap is +3h, and the sections below break that into meeting-time shortcuts, workday overlap, DST changes, and city coverage on both sides.
Last updated Apr 22, 2026. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.
BST is ambiguous in this dataset, so the live converter uses Asia/Dhaka as the busiest reference zone while the city list below shows the wider label family.
From
Bangladesh Time
Asia/Dhaka · GMT+6 +06:00
Major markets in this grouping include Dhaka, Chattogram, Gazipur, Khulna.
To
Japan Time
Asia/Tokyo · GMT+9 +09:00
Major markets in this grouping include Tokyo, Yokohama, Osaka, Nagoya.
Current gap
+3h
BST +06:00 vs JST +09:00
9-to-5 overlap
5h
BST 9:00 AM previous day to 2:00 PM previous day
Representative countries
Bangladesh and Papua New Guinea / Japan
Based on the busiest city and zone usage found in the current dataset.
BST and JST currently connect Dhaka and Tokyo with a live gap of +3h. Representative coverage on the BST side is anchored by Dhaka, Chattogram, Gazipur, and Khulna, while the JST side is anchored by Tokyo, Yokohama, Osaka, and Nagoya.
Using a simple 9:00 AM to 5:00 PM workday on both sides, the pair shares about 5 hours of business overlap - roughly BST 9:00 AM previous day to 2:00 PM previous day, which is JST 12:00 PM previous day to 5:00 PM previous day. There is still a usable shared block in the morning or afternoon, so teams can usually meet without pushing too far outside standard hours.
The live gap is +3h right now, based on Asia/Dhaka at +06:00 and Asia/Tokyo at +09:00. Neither reference zone shows an offset change in the next year, so the gap should stay stable.
On the BST side, the current dataset is anchored by cities such as Dhaka, Bangladesh; Chattogram, Bangladesh; Gazipur, Bangladesh; Khulna, Bangladesh; Rangpur, Bangladesh; Comilla, Bangladesh. That makes this page useful for real-world coordination patterns rather than only abstract offset math.
On the JST side, the live reference set includes Tokyo, Japan; Yokohama, Japan; Osaka, Japan; Nagoya, Japan; Sapporo, Japan; Fukuoka, Japan. In practice, that means the conversion is tied to recognizable business, travel, and support hubs rather than a single anonymous timezone label.
Country usage on the two sides currently includes Bangladesh and Papua New Guinea for BST and Japan for JST. That country coverage helps explain why some pairs feel like outsourcing, logistics, gaming, finance, or travel-heavy conversions while others are more niche.
Adjust the time — digits roll like an odometer. Swap button flips the zones.
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| BST | JST | Day relation |
|---|---|---|
| 9:00 AM | 12:00 PMWed, Apr 22 | same day |
| 12:00 PM | 3:00 PMWed, Apr 22 | same day |
| 3:00 PM | 6:00 PMWed, Apr 22 | same day |
| 6:00 PM | 9:00 PMWed, Apr 22 | same day |
| 9:00 PM | 12:00 AMThu, Apr 23 | next day |
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| JST | BST | Day relation |
|---|---|---|
| 9:00 AM | 6:00 AMThu, Apr 23 | same day |
| 12:00 PM | 9:00 AMThu, Apr 23 | same day |
| 3:00 PM | 12:00 PMThu, Apr 23 | same day |
| 6:00 PM | 3:00 PMThu, Apr 23 | same day |
| 9:00 PM | 6:00 PMThu, Apr 23 | same day |
BST to JST meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 12:00 PM, while 9:00 PM lands at 12:00 AM, which makes the practical handoff window much easier to scan.
JST to BST meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 6:00 AM, while 9:00 PM lands at 6:00 PM, which makes the practical handoff window much easier to scan.
These direct answers are here for the exact-intent searches people actually use, like “10 AM BST to JST” or “4 PM BST in JST”.
8 AM BST = 11:00 AM JST (11:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
9 AM BST = 12:00 PM JST (12:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
10 AM BST = 1:00 PM JST (13:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
11 AM BST = 2:00 PM JST (14:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
12 PM BST = 3:00 PM JST (15:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
1 PM BST = 4:00 PM JST (16:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
2 PM BST = 5:00 PM JST (17:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
3 PM BST = 6:00 PM JST (18:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
4 PM BST = 7:00 PM JST (19:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
5 PM BST = 8:00 PM JST (20:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
6 PM BST = 9:00 PM JST (21:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.
9 PM BST = 12:00 AM JST (00:00). On today's live calendar that lands on Thu, Apr 23 in JST, which means the answer is a next day conversion rather than a static offset lookup.
The live gap is +3h right now, based on Asia/Dhaka at +06:00 and Asia/Tokyo at +09:00. Neither reference zone shows an offset change in the next year, so the gap should stay stable.
The most usable workday block right now is about 5 hours: BST 9:00 AM previous day to 2:00 PM previous day, which lines up with JST 12:00 PM previous day to 5:00 PM previous day.
Asia/Dhaka
GMT+6 · +06:00
Asia/Tokyo
GMT+9 · +09:00
These are the busiest live references selected from the abbreviation families on this page.
| BST | JST |
|---|---|
| 06:00 | 09:00 |
| 07:00 | 10:00 |
| 08:00 | 11:00 |
| 09:00 | 12:00 |
| 10:00 | 13:00 |
| 11:00 | 14:00 |
| 12:00 | 15:00 |
| 13:00 | 16:00 |
| 14:00 | 17:00 |
| 15:00 | 18:00 |
| 16:00 | 19:00 |
| 17:00 | 20:00 |
| 18:00 | 21:00 |
| 19:00 | 22:00 |
| 20:00 | 23:00 |
| 21:00 | 00:00 |
| 22:00 | 01:00 |
| 23:00 | 02:00 |
| 00:00 | 03:00 |
| 01:00 | 04:00 |
| 02:00 | 05:00 |
| 03:00 | 06:00 |
| 04:00 | 07:00 |
| 05:00 | 08:00 |
Countries represented here include Bangladesh and Papua New Guinea.
Countries represented here include Japan.
Once a conversion pair matters, people usually need a city page, compare page, or a broader browse surface next.
Interactive converter
Move from this static pair into the full timezone converter with more cities and abbreviations.
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