Bangkok to Oslo
-5hBangkok
ICTSOURCEOslo
CESTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and CEST on the World Map
The map below highlights the ICT (Indochina Time) and CEST (Central European 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.
CET – Central European Time
UTC+01:00Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.
- •CET covers more European countries than any other time zone.
- •Spain uses CET despite being geographically aligned with GMT/WET.
- •The Frankfurt Stock Exchange, Euronext (Amsterdam/Paris), and Borsa Italiana operate on CET.
- •Over 500 million people live in the CET time zone.
- •France moved to CET during the German occupation in WWII and never switched back.
About Bangkok
WikipediaBangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
Bangkok is one of the world's most visited cities, with over 22 million visitors annually.
About Oslo
WikipediaOslo operates on Central European Time (CET/CEST). As home to the world's largest sovereign wealth fund and major oil firms, Oslo influences global energy markets.
Oslo aims to be car-free by 2030.
Understanding the -5h Gap: Bangkok vs Oslo
Bangkok runs on Indochina Time (ICT) at UTC+07:00. Oslo runs on Central European Summer Time (CEST) at UTC+02:00, also currently on daylight saving time. That puts Bangkok 5 hours behind Oslo — a difference of -5h at the current offsets.
In practice, when it is 9:00 AM in Bangkok it is 4:00 AM in Oslo. Midnight in Bangkok is 7:00 PM in Oslo.Oslo observes daylight saving time while Bangkok does not, so the gap narrows or widens by an hour part of the year.
Bangkok to Oslo time conversion table
| Bangkok (ICT) | Oslo (CEST) | Day |
|---|---|---|
| 12:00 AM | 7:00 PM | previous day |
| 6:00 AM | 1:00 AM | same day |
| 7:00 AM | 2:00 AM | same day |
| 8:00 AM | 3:00 AM | same day |
| 9:00 AM | 4:00 AM | same day |
| 12:00 PM | 7:00 AM | same day |
| 3:00 PM | 10:00 AM | same day |
| 5:00 PM | 12:00 PM | same day |
| 6:00 PM | 1:00 PM | same day |
| 9:00 PM | 4:00 PM | same day |
Why people convert Bangkok to Oslo time
- Scheduling a call from Bangkok to Oslo: a 10:00 AM start in Bangkok lands at 5:00 AM in Oslo, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Bangkok and Oslo are inside the 9-to-5 working day between 2:00 PM and 5:00 PM ICT time (9:00 AM–12:00 PM CEST). That is roughly 3 hours of usable overlap.
- Booking travel or deliveries: tracking Oslo local time against Bangkok keeps pickup windows and arrival estimates honest across the -5h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -5h gap is not.
- Block 2:00 PM–5:00 PM ICT as the recurring meeting window if you work primarily from Bangkok and need Oslo colleagues present.
- Oslo: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 CET (Central European Time)
Central European Time (CET) is the standard time zone for most of Europe, covering over 30 countries from Spain to Poland, and from Norway to Italy. CET is 1 hour ahead of GMT and is used by the European Union's most populous nations. During summer, most CET countries switch to Central European Summer Time (CEST, UTC+02:00). Major European financial markets in Frankfurt, Paris, and Amsterdam operate on CET.
Best time to call between Bangkok and Oslo
Both Bangkok and Oslo sit inside the 9 AM – 5 PM working day between 2:00 PM–5:00 PM ICT, which is 9:00 AM–12:00 PM CEST. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Bangkok and Oslo overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
Bangkok is 5 hours behind Oslo (ICT UTC+07:00 → CEST UTC+02:00). The shared working window is 2:00 PM–5:00 PM ICT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Bangkok
Does not observe DST
Oslo
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
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 Bangkok and Oslo?
Bangkok (ICT, UTC+07:00) is 5 hours behind Oslo (CEST, UTC+02:00). The gap is currently -5h.
How do I convert Bangkok time to Oslo time?
Add -5h to Bangkok local time. For example, 9:00 AM in Bangkok is 4:00 AM in Oslo.
What time is it in Oslo right now?
Oslo uses CEST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h offset from Bangkok.
What is the best time to call Oslo from Bangkok?
Call between 2:00 PM and 5:00 PM ICT — that maps to 9:00 AM–12:00 PM CEST and keeps both parties inside the working day.
Which is behind, Bangkok or Oslo?
Bangkok is 5 hours behind Oslo. When it is 12:00 PM in Bangkok it is 7:00 AM in Oslo.
Do Bangkok and Oslo use different time zones?
Bangkok (Thailand) uses ICT at UTC+07:00, while Oslo (Norway) uses CEST at UTC+02:00. The IANA identifiers are Asia/Bangkok and Europe/Oslo.
Does daylight saving time affect the Bangkok–Oslo difference?
Yes at the moment: Oslo is on daylight saving time and Bangkok is not, so the -5h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Bangkok's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Bangkok's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Bangkok and Oslo?
Not normally. The -5h gap only pushes the date over the previous day.
What is the time difference between Bangkok and Oslo?
Oslo is -5h from Bangkok.
What timezone is Bangkok in?
Bangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
What timezone is Oslo in?
Oslo operates on Central European Time (CET/CEST). As home to the world's largest sovereign wealth fund and major oil firms, Oslo influences global energy markets.
What are the business hours in Bangkok?
Standard business hours in Bangkok are 8:30 AM - 5:30 PM ICT.
What are the business hours in Oslo?
Standard business hours in Oslo are 8:00 AM - 4:00 PM CET.
What is the best time to schedule a call between Bangkok and Oslo?
The best overlap for a call is when both cities are in business hours. Bangkok works 8:30 AM - 5:30 PM ICT and Oslo works 8:00 AM - 4:00 PM CET (-5h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Bangkok and Oslo?
Bangkok uses THB (฿) while Oslo uses NOK (kr). Check current exchange rates when planning travel or business between these cities.
How do Bangkok and Oslo compare in size?
Bangkok has a population of approximately 8.3 million (metro: 14.6 million), while Oslo has approximately 693,000 (metro: 1.5 million).
What are the major landmarks in Bangkok and Oslo?
Bangkok is known for Grand Palace, Wat Arun, Wat Pho. Oslo is famous for Oslo Opera House, Vigeland Park, Akershus Fortress.
Do Bangkok and Oslo have stock exchanges?
Yes. Bangkok has the SET (Stock Exchange of Thailand) and Oslo has the OSE (Oslo Stock Exchange). The -5h time difference affects trading hour overlaps between these exchanges.
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 CET timezone?
Major cities in the CET timezone include Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw.
What is the UTC offset for CET?
Central European Time (CET) is at UTC+01:00. During daylight saving time, it shifts to CEST.
What should I know about the CET timezone?
CET covers more European countries than any other time zone. Spain uses CET despite being geographically aligned with GMT/WET.
When is it midnight in Bangkok, what time is it in Oslo?
When it is 12:00 AM (midnight) in Bangkok (ICT), it is -5h later in Oslo (CET).
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