London to Bangkok Time Difference
Bangkok is 6 hours ahead of London. When it is noon in London, it is 18:00 in Bangkok.
London (UTC+1) → Bangkok (UTC+7)
London (GMT/BST) is 6–7 hours behind Bangkok (ICT, UTC+7). In UK summer (BST) the gap is 6 hours; in winter (GMT) it widens to 7 hours. Thailand does not observe DST. The London–Bangkok corridor is significant for tourism, trade finance, and the growing UK–ASEAN economic relationship.
🕐 Interactive Time Explorer
When it's 09:00 in London, it's 15:00 in Bangkok
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
London & Bangkok✓ Perfect Match (2 hours)
◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
9,531 km
Est. Flight Time
~12.2h
Time Difference
+6h
Work Hours Overlap
2h
Limited
🟢 Good to Call Now
10:17
09:00 - 11:00
⏰ Quick Conversion
06:00
London
12:00
Bangkok
09:00
London
15:00
Bangkok
12:00
London
18:00
Bangkok
15:00
London
21:00
Bangkok
18:00
London
00:00
Bangkok (+1)
21:00
London
03:00
Bangkok (+1)
00:00
London
06:00
Bangkok
03:00
London
09:00
Bangkok
Frequently Asked Questions
How many hours is London behind Bangkok?
Bangkok is 6 hours ahead of London. When it is 12:00 noon in London, it is 18:00 in Bangkok. London operates on Europe/London (UTC+1), while Bangkok uses Asia/Bangkok (UTC+7).
What is the best time to call Bangkok from London?
There are 2 hours of overlapping business time (9 AM–5 PM) between London and Bangkok. The best window is 09:00–11:00 London time (15:00–17:00 in Bangkok).
Does the London to Bangkok time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between London and Bangkok
The distance between London and Bangkok is approximately 9,531 km. A direct flight typically takes around 12.2 hours. Your arrival clock will show local Bangkok time — use our Flight Time Calculator to predict exact arrival times.