Beijing to Vietnam
-1hBeijing
CSTSOURCEVietnam
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
CST and ICT on the World Map
The map below highlights the CST (China Standard Time) and ICT (Indochina 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.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
Understanding the -1h Gap: Beijing vs Vietnam
Beijing runs on China Standard Time (CST) at UTC+08:00. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts Beijing 1 hour behind Vietnam — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Beijing it is 8:00 AM in Vietnam. Midnight in Beijing is 11:00 PM in Vietnam. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Beijing to Vietnam time conversion table
| Beijing (CST) | Vietnam (ICT) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert Beijing to Vietnam time
- Scheduling a call from Beijing to Vietnam: a 10:00 AM start in Beijing lands at 9:00 AM in Vietnam, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Beijing and Vietnam are inside the 9-to-5 working day between 10:00 AM and 5:00 PM CST time (9:00 AM–4:00 PM ICT). That is roughly 7 hours of usable overlap.
- Coordinating a Beijing-based team with Vietnam 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 10:00 AM–5:00 PM CST as the recurring meeting window if you work primarily from Beijing and need Vietnam 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 ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
Best time to call between Beijing and Vietnam
Both Beijing and Vietnam sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM CST, which is 9:00 AM–4:00 PM ICT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Beijing and Vietnam share 7 hours of working-hours overlap (10:00 AM–5:00 PM CST), so scheduling a live meeting is straightforward.
Beijing is 1 hour behind Vietnam (CST UTC+08:00 → ICT UTC+07:00). The shared working window is 10:00 AM–5:00 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 Vietnam?
Beijing (CST, UTC+08:00) is 1 hour behind Vietnam (ICT, UTC+07:00). The gap is currently -1h.
How do I convert Beijing time to Vietnam time?
Add -1h to Beijing local time. For example, 9:00 AM in Beijing is 8:00 AM in Vietnam.
What time is it in Vietnam right now?
Vietnam uses ICT at UTC+07:00. 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 Vietnam from Beijing?
Call between 10:00 AM and 5:00 PM CST — that maps to 9:00 AM–4:00 PM ICT and keeps both parties inside the working day.
Which is behind, Beijing or Vietnam?
Beijing is 1 hour behind Vietnam. When it is 12:00 PM in Beijing it is 11:00 AM in Vietnam.
Do Beijing and Vietnam use different time zones?
Beijing (China) uses CST at UTC+08:00, while Vietnam (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are Asia/Shanghai and Asia/Ho_Chi_Minh.
Does daylight saving time affect the Beijing–Vietnam difference?
Neither zone observes daylight saving time, so the -1h offset between Beijing and Vietnam 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 Vietnam?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Beijing and Vietnam?
Vietnam is -1h from Beijing.
What timezone is Beijing in?
Beijing operates on its local timezone.
What timezone is Vietnam in?
Vietnam 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 ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in Beijing, what time is it in Vietnam?
When it is 12:00 AM (midnight) in Beijing (CST), it is -1h later in Vietnam (ICT).
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