JST to BJT Converter & Meeting Planner
Quick answer: 9:00 AM JST = 8:00 AM BJT (fixed +09:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Japan Standard Time (JST) and Beijing Time (BJT)? You need to account for the standard time difference. Beijing Time is normally 1 hours behind Japan Standard Time. Whether you are coordinating between teams in Tokyo and Osaka and Beijing and Shanghai, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM JST = 11:00 PM BJT. The full 24-hour JST to BJT table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM JST = 2:00 PM BJT.
| JST Time | BJT Time |
|---|---|
| 12:00 AM (00:00) | 11:00 PM (23:00)-1 day |
| 1:00 AM (01:00) | 12:00 AM (00:00) |
| 2:00 AM (02:00) | 1:00 AM (01:00) |
| 3:00 AM (03:00) | 2:00 AM (02:00) |
| 4:00 AM (04:00) | 3:00 AM (03:00) |
| 5:00 AM (05:00) | 4:00 AM (04:00) |
| 6:00 AM (06:00) | 5:00 AM (05:00) |
| 7:00 AM (07:00) | 6:00 AM (06:00) |
| 8:00 AM (08:00) | 7:00 AM (07:00) |
| 9:00 AM (09:00) | 8:00 AM (08:00) |
| 10:00 AM (10:00) | 9:00 AM (09:00) |
| 11:00 AM (11:00) | 10:00 AM (10:00) |
| 12:00 PM (12:00) | 11:00 AM (11:00) |
| 1:00 PM (13:00) | 12:00 PM (12:00) |
| 2:00 PM (14:00) | 1:00 PM (13:00) |
| 3:00 PM (15:00) | 2:00 PM (14:00) |
| 4:00 PM (16:00) | 3:00 PM (15:00) |
| 5:00 PM (17:00) | 4:00 PM (16:00) |
| 6:00 PM (18:00) | 5:00 PM (17:00) |
| 7:00 PM (19:00) | 6:00 PM (18:00) |
| 8:00 PM (20:00) | 7:00 PM (19:00) |
| 9:00 PM (21:00) | 8:00 PM (20:00) |
| 10:00 PM (22:00) | 9:00 PM (21:00) |
| 11:00 PM (23:00) | 10:00 PM (22:00) |
Best time to call Beijing from Tokyo
For most work calls, compare the normal business day in Tokyo (JST) with the business day in Beijing (BJT). JST commonly covers East Asia, while BJT is mainly associated with East Asia.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 10:00 AM - 6:00 PM JST, which corresponds to 9:00 AM - 5:00 PM BJT. This window sits inside the typical JST workday (9:00 AM - 6:00 PM) and the BJT workday (9:00 AM - 6:00 PM).
- DST Safety: Neither JST nor BJT uses Daylight Saving Time in our dataset, making business-hour relationships stable year-round.
- Tokyo Stock Exchange (TSE): 09:00-15:00 local time in Tokyo.
- Shanghai Stock Exchange (SSE): 09:30-15:00 local time in Shanghai.
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Frequently Asked Questions
What is the time difference between JST and BJT?
During standard time, Beijing Time is 1 hours behind Japan Standard Time.
Does Japan observe Daylight Saving Time?
Japan has not observed Daylight Saving Time since 1951, when the practice introduced during the Allied occupation was abolished by the Japanese government. JST has remained fixed at UTC+9:00 ever since, and there is no current legislation to reintroduce DST in Japan.
Is JST the same as Korean Standard Time (KST)?
Yes, South Korea's Korean Standard Time (KST) operates at the same UTC+9:00 offset as JST, and South Korea also does not observe Daylight Saving Time. The two countries share an identical clock year-round, which simplifies scheduling for the significant trade, technology, and cultural exchange between Tokyo and Seoul.
Does China observe Daylight Saving Time?
Mainland China abolished Daylight Saving Time in 1991 and has remained permanently fixed at UTC+8:00 ever since, with no seasonal clock adjustment at any point in the year. This means the offset between Beijing or Shanghai and any DST-observing country shifts by one hour twice annually when those countries change their clocks — but BJT itself never moves.
How many time zones are there in China?
Despite spanning a geographical width that would naturally encompass five separate time zones — from the eastern coast at roughly UTC+8 to the western reaches of Xinjiang near UTC+6 or even UTC+5 — China officially mandates a single unified time zone, Beijing Time (BJT) at UTC+8:00, across the entire country. This policy has been in place since 1949 and applies to all 34 provincial-level administrative regions without exception.