Beijing to JST
+1hBeijing
CSTSOURCEJST
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
CST and JST on the World Map
The map below highlights the CST (China Standard Time) and JST (Japan Standard Time) timezone regions across the globe.
CST – China Standard Time
UTC+08:00China Standard Time (CST) covers all of mainland China, 8 hours ahead of UTC.
- •China uses a single time zone despite spanning 5 geographical zones.
- •In Xinjiang (western China), sunset can be as late as midnight in summer.
- •China abolished daylight saving time in 1991.
- •The Shanghai Stock Exchange operates on CST/Beijing Time.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
Comparing Time Zones: Beijing and JST
Beijing runs on China Standard Time (CST) at UTC+08:00. JST runs on Japan Standard Time (JST) at UTC+09:00. That puts Beijing 1 hour ahead of JST — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in Beijing it is 10:00 AM in JST. Midnight in Beijing is 1:00 AM in JST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Beijing to JST time conversion table
| Beijing (CST) | JST (JST) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert Beijing to JST time
- Scheduling a call from Beijing to JST: a 10:00 AM start in Beijing lands at 11:00 AM in JST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Beijing and JST are inside the 9-to-5 working day between 9:00 AM and 4:00 PM CST time (10:00 AM–5:00 PM JST). That is roughly 7 hours of usable overlap.
- Coordinating a Beijing-based team with JST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM CST" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM CST as the recurring meeting window if you work primarily from Beijing and need JST colleagues present.
About CST (China Standard Time)
China Standard Time (CST, also known as Beijing Time) is used across all of mainland China despite the country spanning five geographical time zones. This single-timezone policy was adopted in 1949. China does not observe daylight saving time. CST is shared with Hong Kong (HKT), Macau, Taiwan, Singapore, Malaysia, and the Philippines, making UTC+08:00 one of the most used offsets in the world.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
Best time to call between Beijing and JST
Both Beijing and JST sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM CST, which is 10:00 AM–5:00 PM JST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Beijing and JST share 7 hours of working-hours overlap (9:00 AM–4:00 PM CST), so scheduling a live meeting is straightforward.
Beijing is 1 hour ahead of JST (CST UTC+08:00 → JST UTC+09:00). The shared working window is 9:00 AM–4:00 PM CST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Beijing and JST?
Beijing (CST, UTC+08:00) is 1 hour ahead of JST (JST, UTC+09:00). The gap is currently +1h.
How do I convert Beijing time to JST time?
Add +1h to Beijing local time. For example, 9:00 AM in Beijing is 10:00 AM in JST.
What time is it in JST right now?
JST uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from Beijing.
What is the best time to call JST from Beijing?
Call between 9:00 AM and 4:00 PM CST — that maps to 10:00 AM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, Beijing or JST?
Beijing is 1 hour ahead of JST. When it is 12:00 PM in Beijing it is 1:00 PM in JST.
Do Beijing and JST use different time zones?
Beijing (China) uses CST at UTC+08:00, while JST uses JST at UTC+09:00. The IANA identifiers are Asia/Shanghai and Asia/Tokyo.
Does daylight saving time affect the Beijing–JST difference?
Neither zone observes daylight saving time, so the +1h offset between Beijing and JST is fixed all year.
Which other cities share Beijing's time zone?
CST also covers Shanghai, Beijing, Shenzhen, Guangzhou, Chengdu, Hong Kong, Taipei, Wuhan and 2 more.
Which countries use CST, Beijing's zone?
CST is used in China, Hong Kong, Macau, Taiwan.
Is there a day difference between Beijing and JST?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between Beijing and JST?
JST is +1h from Beijing.
What timezone is Beijing in?
Beijing operates on its local timezone.
What timezone is JST in?
JST operates on its local timezone.
Which countries use CST (China Standard Time)?
CST is used in China, Hong Kong, Macau, Taiwan.
Does CST observe daylight saving time?
No, CST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about CST?
China uses a single time zone despite spanning 5 geographical zones. In Xinjiang (western China), sunset can be as late as midnight in summer.
Which cities are in the JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in Beijing, what time is it in JST?
When it is 12:00 AM (midnight) in Beijing (CST), it is +1h later in JST (JST).
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