Hong Kong to Ho Chi Minh
-1hHong Kong
HKTSOURCEHo Chi Minh
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
HKT and ICT on the World Map
The map below highlights the HKT (Hong Kong Time) and ICT (Indochina Time) timezone regions across the globe.
HKT – Hong Kong Time
UTC+08:00Hong Kong Time (HKT, UTC+08:00) is the time zone for Hong Kong, 8 hours ahead of UTC.
- •Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979.
- •HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
- •The Hong Kong Stock Exchange opens at 09:30 HKT.
- •Hong Kong Time does not change with the seasons, so its gap to other zones is fixed.
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 Hong Kong
WikipediaHong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
The city has one of the world's most efficient and affordable public transit systems.
About Ho Chi Minh
WikipediaHo Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.
The city has over 5 million motorbikes, outnumbering cars significantly.
Hong Kong to Ho Chi Minh Time Difference – Complete Guide
Hong Kong runs on Hong Kong Standard Time (HKT) at UTC+08:00. Ho Chi Minh runs on Indochina Time (ICT) at UTC+07:00. That puts Hong Kong 1 hour behind Ho Chi Minh — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Hong Kong it is 8:00 AM in Ho Chi Minh. Midnight in Hong Kong is 11:00 PM in Ho Chi Minh. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Hong Kong to Ho Chi Minh time conversion table
| Hong Kong (HKT) | Ho Chi Minh (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 Hong Kong to Ho Chi Minh time
- Scheduling a call from Hong Kong to Ho Chi Minh: a 10:00 AM start in Hong Kong lands at 9:00 AM in Ho Chi Minh, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Hong Kong and Ho Chi Minh are inside the 9-to-5 working day between 10:00 AM and 5:00 PM HKT time (9:00 AM–4:00 PM ICT). That is roughly 7 hours of usable overlap.
- Booking travel or deliveries: tracking Ho Chi Minh local time against Hong Kong keeps pickup windows and arrival estimates honest across the -1h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM HKT" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM HKT as the recurring meeting window if you work primarily from Hong Kong and need Ho Chi Minh colleagues present.
About HKT (Hong Kong Time)
Hong Kong Time (HKT) is fixed at UTC+08:00 all year and does not observe daylight saving time. Hong Kong last used summer time in 1979 and has kept a single offset since. HKT shares the UTC+08:00 offset with China Standard Time, Singapore Time, Malaysian Time, Philippine Time and Australian Western Standard Time, but is listed separately because Hong Kong maintains its own timekeeping authority. As a major financial centre, Hong Kong's trading hours set the rhythm for markets across Asia, opening at 09:30 HKT which is 01:30 in London and 20:30 the previous evening in New York.
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 Hong Kong and Ho Chi Minh
Both Hong Kong and Ho Chi Minh sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM HKT, 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
Hong Kong and Ho Chi Minh share 7 hours of working-hours overlap (10:00 AM–5:00 PM HKT), so scheduling a live meeting is straightforward.
Hong Kong is 1 hour behind Ho Chi Minh (HKT UTC+08:00 → ICT UTC+07:00). The shared working window is 10:00 AM–5:00 PM HKT. 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 Hong Kong and Ho Chi Minh?
Hong Kong (HKT, UTC+08:00) is 1 hour behind Ho Chi Minh (ICT, UTC+07:00). The gap is currently -1h.
How do I convert Hong Kong time to Ho Chi Minh time?
Add -1h to Hong Kong local time. For example, 9:00 AM in Hong Kong is 8:00 AM in Ho Chi Minh.
What time is it in Ho Chi Minh right now?
Ho Chi Minh 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 Hong Kong.
What is the best time to call Ho Chi Minh from Hong Kong?
Call between 10:00 AM and 5:00 PM HKT — that maps to 9:00 AM–4:00 PM ICT and keeps both parties inside the working day.
Which is behind, Hong Kong or Ho Chi Minh?
Hong Kong is 1 hour behind Ho Chi Minh. When it is 12:00 PM in Hong Kong it is 11:00 AM in Ho Chi Minh.
Do Hong Kong and Ho Chi Minh use different time zones?
Hong Kong (Hong Kong) uses HKT at UTC+08:00, while Ho Chi Minh (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are Asia/Hong_Kong and Asia/Ho_Chi_Minh.
Does daylight saving time affect the Hong Kong–Ho Chi Minh difference?
Neither zone observes daylight saving time, so the -1h offset between Hong Kong and Ho Chi Minh is fixed all year.
Which other cities share Hong Kong's time zone?
HKT also covers Hong Kong, Kowloon, Tsuen Wan, Sha Tin.
Which countries use HKT, Hong Kong's zone?
HKT is used in Hong Kong SAR.
Is there a day difference between Hong Kong and Ho Chi Minh?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Hong Kong and Ho Chi Minh?
Ho Chi Minh is -1h from Hong Kong.
What timezone is Hong Kong in?
Hong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
What timezone is Ho Chi Minh in?
Ho Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.
What are the business hours in Hong Kong?
Standard business hours in Hong Kong are 9:00 AM - 6:00 PM HKT.
What are the business hours in Ho Chi Minh?
Standard business hours in Ho Chi Minh are 8:00 AM - 5:00 PM ICT.
What is the best time to schedule a call between Hong Kong and Ho Chi Minh?
The best overlap for a call is when both cities are in business hours. Hong Kong works 9:00 AM - 6:00 PM HKT and Ho Chi Minh works 8:00 AM - 5:00 PM ICT (-1h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Hong Kong and Ho Chi Minh?
Hong Kong uses HKD (HK$) while Ho Chi Minh uses VND (₫). Check current exchange rates when planning travel or business between these cities.
How do Hong Kong and Ho Chi Minh compare in size?
Hong Kong has a population of approximately 7.5 million (metro: 7.5 million), while Ho Chi Minh has approximately 9 million (metro: 13 million).
What are the major landmarks in Hong Kong and Ho Chi Minh?
Hong Kong is known for Victoria Peak, Tian Tan Buddha, Victoria Harbour. Ho Chi Minh is famous for Notre-Dame Cathedral, War Remnants Museum, Ben Thanh Market.
Do Hong Kong and Ho Chi Minh have stock exchanges?
Yes. Hong Kong has the HKEX (Hong Kong Stock Exchange) and Ho Chi Minh has the HOSE (Ho Chi Minh Stock Exchange). The -1h time difference affects trading hour overlaps between these exchanges.
Which countries use HKT (Hong Kong Time)?
HKT is used in Hong Kong SAR.
Does HKT observe daylight saving time?
No, HKT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about HKT?
Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979. HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
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 Hong Kong, what time is it in Ho Chi Minh?
When it is 12:00 AM (midnight) in Hong Kong (HKT), it is -1h later in Ho Chi Minh (ICT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Hong Kong time conversions
- hong kong to hkt
- hong kong to dubai
- hong kong to mumbai
- hong kong to delhi
- hong kong to bangalore
- hong kong to kathmandu
- hong kong to bangkok
- hong kong to singapore
- hong kong to shanghai
- hong kong to beijing
- hong kong to tokyo
- hong kong to osaka
- hong kong to seoul
- hong kong to new york
- hong kong to london
- hong kong to sydney
- hong kong to los angeles
- hong kong to paris
- hong kong to berlin
- hong kong to toronto
- new york to hong kong
- london to hong kong
- dubai to hong kong
- tokyo to hong kong
- singapore to hong kong
- sydney to hong kong
- los angeles to hong kong
- paris to hong kong
- delhi to hong kong
- mumbai to hong kong
- berlin to hong kong
- toronto to hong kong
- kathmandu to hong kong
See every conversion from Hong Kong →·See every conversion from Ho Chi Minh →