ICT to China
+1hICT
ICTSOURCEChina
CSTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and CST on the World Map
The map below highlights the ICT (Indochina Time) and CST (China Standard Time) timezone regions across the globe.
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.
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.
Everything You Need to Know About ICT and China Time
ICT runs on Indochina Time (ICT) at UTC+07:00. China runs on China Standard Time (CST) at UTC+08:00. That puts ICT 1 hour ahead of China — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in ICT it is 10:00 AM in China. Midnight in ICT is 1:00 AM in China. Neither zone observes daylight saving time, so the offset between them stays constant all year.
ICT to China time conversion table
| ICT (ICT) | China (CST) | 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 ICT to China time
- Scheduling a call from ICT to China: a 10:00 AM start in ICT lands at 11:00 AM in China, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both ICT and China are inside the 9-to-5 working day between 9:00 AM and 4:00 PM ICT time (10:00 AM–5:00 PM CST). That is roughly 7 hours of usable overlap.
- Coordinating a ICT-based team with China 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 ICT" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM ICT as the recurring meeting window if you work primarily from ICT and need China colleagues present.
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.
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.
Best time to call between ICT and China
Both ICT and China sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM ICT, which is 10:00 AM–5:00 PM CST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
ICT and China share 7 hours of working-hours overlap (9:00 AM–4:00 PM ICT), so scheduling a live meeting is straightforward.
ICT is 1 hour ahead of China (ICT UTC+07:00 → CST UTC+08:00). The shared working window is 9:00 AM–4:00 PM ICT. 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 ICT and China?
ICT (ICT, UTC+07:00) is 1 hour ahead of China (CST, UTC+08:00). The gap is currently +1h.
How do I convert ICT time to China time?
Add +1h to ICT local time. For example, 9:00 AM in ICT is 10:00 AM in China.
What time is it in China right now?
China uses CST at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from ICT.
What is the best time to call China from ICT?
Call between 9:00 AM and 4:00 PM ICT — that maps to 10:00 AM–5:00 PM CST and keeps both parties inside the working day.
Which is ahead, ICT or China?
ICT is 1 hour ahead of China. When it is 12:00 PM in ICT it is 1:00 PM in China.
Do ICT and China use different time zones?
ICT uses ICT at UTC+07:00, while China (China) uses CST at UTC+08:00. The IANA identifiers are Asia/Bangkok and Asia/Shanghai.
Does daylight saving time affect the ICT–China difference?
Neither zone observes daylight saving time, so the +1h offset between ICT and China is fixed all year.
Which other cities share ICT's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, ICT's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between ICT and China?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between ICT and China?
China is +1h from ICT.
What timezone is ICT in?
ICT operates on its local timezone.
What timezone is China in?
China operates on its local timezone.
Which countries use ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
Which cities are in the CST timezone?
Major cities in the CST timezone include Shanghai, Beijing, Shenzhen, Guangzhou, Chengdu, Hong Kong, Taipei, Wuhan.
What is the UTC offset for CST?
China Standard Time (CST) is at UTC+08:00.
What should I know about the CST timezone?
China uses a single time zone despite spanning 5 geographical zones. In Xinjiang (western China), sunset can be as late as midnight in summer.
When is it midnight in ICT, what time is it in China?
When it is 12:00 AM (midnight) in ICT (ICT), it is +1h later in China (CST).
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See every conversion from ICT →·See every conversion from China →