United Kingdom to Thailand
+6hUnited Kingdom
BSTSOURCEThailand
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
BST and ICT on the World Map
The map below highlights the BST (Greenwich Mean Time) and ICT (Indochina Time) timezone regions across the globe.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
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.
United Kingdom to Thailand Time Difference – Complete Guide
United Kingdom runs on British Summer Time (BST) at UTC+01:00, currently observing daylight saving time. Thailand runs on Indochina Time (ICT) at UTC+07:00. That puts United Kingdom 6 hours ahead of Thailand — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in United Kingdom it is 3:00 PM in Thailand. Midnight in United Kingdom is 6:00 AM in Thailand.United Kingdom observes daylight saving time while Thailand does not, so the gap narrows or widens by an hour part of the year.
United Kingdom to Thailand time conversion table
| United Kingdom (BST) | Thailand (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 United Kingdom to Thailand time
- Scheduling a call from United Kingdom to Thailand: a 10:00 AM start in United Kingdom lands at 4:00 PM in Thailand, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both United Kingdom and Thailand are inside the 9-to-5 working day between 9:00 AM and 11:00 AM BST time (3:00 PM–5:00 PM ICT). That is roughly 2 hours of usable overlap.
- Booking travel or deliveries: tracking Thailand local time against United Kingdom keeps pickup windows and arrival estimates honest across the +6h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM BST" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM BST as the recurring meeting window if you work primarily from United Kingdom and need Thailand colleagues present.
- United Kingdom: 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 GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
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 United Kingdom and Thailand
Both United Kingdom and Thailand sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM BST, 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
United Kingdom and Thailand overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
United Kingdom is 6 hours ahead of Thailand (BST UTC+01:00 → ICT UTC+07:00). The shared working window is 9:00 AM–11:00 AM BST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
United Kingdom
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Thailand
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 United Kingdom and Thailand?
United Kingdom (BST, UTC+01:00) is 6 hours ahead of Thailand (ICT, UTC+07:00). The gap is currently +6h.
How do I convert United Kingdom time to Thailand time?
Add +6h to United Kingdom local time. For example, 9:00 AM in United Kingdom is 3:00 PM in Thailand.
What time is it in Thailand right now?
Thailand 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 United Kingdom.
What is the best time to call Thailand from United Kingdom?
Call between 9:00 AM and 11:00 AM BST — that maps to 3:00 PM–5:00 PM ICT and keeps both parties inside the working day.
Which is ahead, United Kingdom or Thailand?
United Kingdom is 6 hours ahead of Thailand. When it is 12:00 PM in United Kingdom it is 6:00 PM in Thailand.
Do United Kingdom and Thailand use different time zones?
United Kingdom (United Kingdom) uses BST at UTC+01:00, while Thailand (Thailand) uses ICT at UTC+07:00. The IANA identifiers are Europe/London and Asia/Bangkok.
Does daylight saving time affect the United Kingdom–Thailand difference?
Yes at the moment: United Kingdom is on daylight saving time and Thailand is not, so the +6h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share United Kingdom's time zone?
BST also covers London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar and 5 more.
Which countries use BST, United Kingdom's zone?
BST is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, Mali, Mauritania and 7 more.
Is there a day difference between United Kingdom and Thailand?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between United Kingdom and Thailand?
Thailand is +6h from United Kingdom.
What timezone is United Kingdom in?
United Kingdom operates on its local timezone.
What timezone is Thailand in?
Thailand operates on its local timezone.
Which countries use GMT (Greenwich Mean Time)?
GMT is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, and 9 more countries.
Does GMT observe daylight saving time?
Yes, GMT switches to BST during summer months.
What are some interesting facts about GMT?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
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 United Kingdom, what time is it in Thailand?
When it is 12:00 AM (midnight) in United Kingdom (GMT), it is +6h later in Thailand (ICT).
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