Lisbon to Vietnam
+6hLisbon
WESTSOURCEVietnam
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
WEST and ICT on the World Map
The map below highlights the WEST (Western European Time) and ICT (Indochina Time) timezone regions across the globe.
WET – Western European Time
UTC+00:00Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.
- •Portugal is the only mainland European country in the WET time zone.
- •The Canary Islands are on WET despite being part of Spain (which uses CET).
- •WET is identical to GMT and UTC+00:00.
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 Lisbon
WikipediaLisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
Lisbon has 300 days of sunshine per year and is a major startup hub in Europe.
Comparing Time Zones: Lisbon and Vietnam
Lisbon runs on Western European Summer Time (WEST) at UTC+01:00, currently observing daylight saving time. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts Lisbon 6 hours ahead of Vietnam — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in Lisbon it is 3:00 PM in Vietnam. Midnight in Lisbon is 6:00 AM in Vietnam.Lisbon observes daylight saving time while Vietnam does not, so the gap narrows or widens by an hour part of the year.
Lisbon to Vietnam time conversion table
| Lisbon (WEST) | Vietnam (ICT) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert Lisbon to Vietnam time
- Scheduling a call from Lisbon to Vietnam: a 10:00 AM start in Lisbon lands at 4:00 PM in Vietnam, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Lisbon and Vietnam are inside the 9-to-5 working day between 9:00 AM and 11:00 AM WEST time (3:00 PM–5:00 PM ICT). That is roughly 2 hours of usable overlap.
- Booking travel or deliveries: tracking Vietnam local time against Lisbon keeps pickup windows and arrival estimates honest across the +6h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM WEST" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM WEST as the recurring meeting window if you work primarily from Lisbon and need Vietnam colleagues present.
- Lisbon: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +6h gap.
About WET (Western European Time)
Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).
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 Lisbon and Vietnam
Both Lisbon and Vietnam sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM WEST, which is 3:00 PM–5:00 PM ICT. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Lisbon and Vietnam overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Lisbon is 6 hours ahead of Vietnam (WEST UTC+01:00 → ICT UTC+07:00). The shared working window is 9:00 AM–11:00 AM WEST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Lisbon
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Vietnam
Does not observe DST
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 Lisbon and Vietnam?
Lisbon (WEST, UTC+01:00) is 6 hours ahead of Vietnam (ICT, UTC+07:00). The gap is currently +6h.
How do I convert Lisbon time to Vietnam time?
Add +6h to Lisbon local time. For example, 9:00 AM in Lisbon is 3:00 PM 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 +6h offset from Lisbon.
What is the best time to call Vietnam from Lisbon?
Call between 9:00 AM and 11:00 AM WEST — that maps to 3:00 PM–5:00 PM ICT and keeps both parties inside the working day.
Which is ahead, Lisbon or Vietnam?
Lisbon is 6 hours ahead of Vietnam. When it is 12:00 PM in Lisbon it is 6:00 PM in Vietnam.
Do Lisbon and Vietnam use different time zones?
Lisbon (Portugal) uses WEST at UTC+01:00, while Vietnam (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are Europe/Lisbon and Asia/Ho_Chi_Minh.
Does daylight saving time affect the Lisbon–Vietnam difference?
Yes at the moment: Lisbon is on daylight saving time and Vietnam is not, so the +6h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Lisbon's time zone?
WEST also covers Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
Which countries use WEST, Lisbon's zone?
WEST is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Is there a day difference between Lisbon and Vietnam?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between Lisbon and Vietnam?
Vietnam is +6h from Lisbon.
What timezone is Lisbon in?
Lisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
What are the business hours in Lisbon?
Standard business hours in Lisbon are 9:00 AM - 6:00 PM WET.
Which countries use WET (Western European Time)?
WET is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Does WET observe daylight saving time?
Yes, WET switches to WEST during summer months.
What are some interesting facts about WET?
Portugal is the only mainland European country in the WET time zone. The Canary Islands are on WET despite being part of Spain (which uses CET).
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 Lisbon, what time is it in Vietnam?
When it is 12:00 AM (midnight) in Lisbon (WET), it is +6h later in Vietnam (ICT).
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