Vietnam to Singapore
+1hVietnam
ICTSOURCESingapore
SGTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and SGT on the World Map
The map below highlights the ICT (Indochina Time) and SGT (Singapore 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.
SGT – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
- •Singapore does not observe daylight saving time.
- •The Singapore Exchange (SGX) operates on SGT.
About Singapore
WikipediaSingapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
The city-state has the world's highest percentage of millionaires, with 1 in 6 households.
Time Conversion Guide: Vietnam to Singapore
Vietnam runs on Indochina Time (ICT) at UTC+07:00. Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. That puts Vietnam 1 hour ahead of Singapore — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in Vietnam it is 10:00 AM in Singapore. Midnight in Vietnam is 1:00 AM in Singapore. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Vietnam to Singapore time conversion table
| Vietnam (ICT) | Singapore (SGT) | 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 Vietnam to Singapore time
- Scheduling a call from Vietnam to Singapore: a 10:00 AM start in Vietnam lands at 11:00 AM in Singapore, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Vietnam and Singapore are inside the 9-to-5 working day between 9:00 AM and 4:00 PM ICT time (10:00 AM–5:00 PM SGT). That is roughly 7 hours of usable overlap.
- Booking travel or deliveries: tracking Singapore local time against Vietnam keeps pickup windows and arrival estimates honest across the +1h offset.
- 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 Vietnam and need Singapore 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 SGT (Singapore Standard Time)
Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.
Best time to call between Vietnam and Singapore
Both Vietnam and Singapore 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 SGT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Vietnam and Singapore share 7 hours of working-hours overlap (9:00 AM–4:00 PM ICT), so scheduling a live meeting is straightforward.
Vietnam is 1 hour ahead of Singapore (ICT UTC+07:00 → SGT 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 Vietnam and Singapore?
Vietnam (ICT, UTC+07:00) is 1 hour ahead of Singapore (SGT, UTC+08:00). The gap is currently +1h.
How do I convert Vietnam time to Singapore time?
Add +1h to Vietnam local time. For example, 9:00 AM in Vietnam is 10:00 AM in Singapore.
What time is it in Singapore right now?
Singapore uses SGT 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 Vietnam.
What is the best time to call Singapore from Vietnam?
Call between 9:00 AM and 4:00 PM ICT — that maps to 10:00 AM–5:00 PM SGT and keeps both parties inside the working day.
Which is ahead, Vietnam or Singapore?
Vietnam is 1 hour ahead of Singapore. When it is 12:00 PM in Vietnam it is 1:00 PM in Singapore.
Do Vietnam and Singapore use different time zones?
Vietnam (Vietnam) uses ICT at UTC+07:00, while Singapore (Singapore) uses SGT at UTC+08:00. The IANA identifiers are Asia/Ho_Chi_Minh and Asia/Singapore.
Does daylight saving time affect the Vietnam–Singapore difference?
Neither zone observes daylight saving time, so the +1h offset between Vietnam and Singapore is fixed all year.
Which other cities share Vietnam's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Vietnam's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Vietnam and Singapore?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between Vietnam and Singapore?
Singapore is +1h from Vietnam.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
What timezone is Singapore in?
Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
What are the business hours in Singapore?
Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.
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 SGT timezone?
Major cities in the SGT timezone include Singapore.
What is the UTC offset for SGT?
Singapore Standard Time (SGT) is at UTC+08:00.
What should I know about the SGT timezone?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
When is it midnight in Vietnam, what time is it in Singapore?
When it is 12:00 AM (midnight) in Vietnam (ICT), it is +1h later in Singapore (SGT).
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