Shanghai to Vietnam
-1hShanghai
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.
About Shanghai
WikipediaShanghai operates on China Standard Time (CST), UTC+8. As China's economic powerhouse and home to the SSE, Shanghai time is essential for global investors.
The Maglev train from Shanghai airport reaches 431 km/h, the fastest commercial train in the world.
Everything You Need to Know About Shanghai and Vietnam Time
Shanghai runs on China Standard Time (CST) at UTC+08:00. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts Shanghai 1 hour behind Vietnam — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Shanghai it is 8:00 AM in Vietnam. Midnight in Shanghai is 11:00 PM in Vietnam. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Shanghai to Vietnam time conversion table
| Shanghai (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 Shanghai to Vietnam time
- Scheduling a call from Shanghai to Vietnam: a 10:00 AM start in Shanghai lands at 9:00 AM in Vietnam, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Shanghai 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.
- Booking travel or deliveries: tracking Vietnam local time against Shanghai keeps pickup windows and arrival estimates honest across the -1h offset.
- 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 Shanghai 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 Shanghai and Vietnam
Both Shanghai 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
Shanghai and Vietnam share 7 hours of working-hours overlap (10:00 AM–5:00 PM CST), so scheduling a live meeting is straightforward.
Shanghai 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 Shanghai and Vietnam?
Shanghai (CST, UTC+08:00) is 1 hour behind Vietnam (ICT, UTC+07:00). The gap is currently -1h.
How do I convert Shanghai time to Vietnam time?
Add -1h to Shanghai local time. For example, 9:00 AM in Shanghai 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 Shanghai.
What is the best time to call Vietnam from Shanghai?
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, Shanghai or Vietnam?
Shanghai is 1 hour behind Vietnam. When it is 12:00 PM in Shanghai it is 11:00 AM in Vietnam.
Do Shanghai and Vietnam use different time zones?
Shanghai (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 Shanghai–Vietnam difference?
Neither zone observes daylight saving time, so the -1h offset between Shanghai and Vietnam is fixed all year.
Which other cities share Shanghai's time zone?
CST also covers Shanghai, Beijing, Shenzhen, Guangzhou, Chengdu, Hong Kong, Taipei, Wuhan and 2 more.
Which countries use CST, Shanghai's zone?
CST is used in China, Hong Kong, Macau, Taiwan.
Is there a day difference between Shanghai and Vietnam?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Shanghai and Vietnam?
Vietnam is -1h from Shanghai.
What timezone is Shanghai in?
Shanghai operates on China Standard Time (CST), UTC+8. As China's economic powerhouse and home to the SSE, Shanghai time is essential for global investors.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
What are the business hours in Shanghai?
Standard business hours in Shanghai are 9:00 AM - 6:00 PM CST.
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 Shanghai, what time is it in Vietnam?
When it is 12:00 AM (midnight) in Shanghai (CST), it is -1h later in Vietnam (ICT).
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