What is the time difference between Bangkok and London?

London is 6 hours behind Bangkok. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call London from Bangkok?

Between 15:00–18:00 in Bangkok, which is 09:00–12:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Bangkok observe daylight saving time?

No. Bangkok stays on UTC+7 all year, so its clocks never move.

Does London observe daylight saving time?

Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

If it is midday in Bangkok, what time is it in London?

It is 06:00 in London, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Bangkok and London use?

Bangkok uses Asia/Bangkok, currently UTC+7, and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Bangkok time to London time

London is 6 hours behind Bangkok right now, so midday in Bangkok lands in the morning in London.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Bangkok, across for London.

Bangkok	London
00:00	18:00previous day
01:00	19:00previous day
02:00	20:00previous day
03:00	21:00previous day
04:00	22:00previous day
05:00	23:00previous day
06:00	00:00
07:00	01:00
08:00	02:00
09:00	03:00
10:00	04:00
11:00	05:00
12:00	06:00
13:00	07:00
14:00	08:00
15:00	09:00
16:00	10:00
17:00	11:00
18:00	12:00
19:00	13:00
20:00	14:00
21:00	15:00
22:00	16:00
23:00	17:00

Daylight saving time

London changes its clocks; Bangkok does not. The difference between them therefore shifts by an hour twice a year.

Bangkok

Does not observe daylight saving time

Standard: UTC+7

London

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

When you can actually talk

You have 3 hours of shared working time: 15:00–18:00 in Bangkok, which is 09:00–12:00 in London.

Bangkok 15:00–18:00London 09:00–12:00

Reference

The zone identifiers and offsets behind everything above.

	Bangkok	London
IANA zone	Asia/Bangkok	Europe/London
Abbreviation	UTC+7	BST
Standard offset	UTC+7	UTC+0
Daylight offset	—	UTC+1
Clock changes this year	0	2
Country	Thailand	United Kingdom

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Bangkok and London?: London is 6 hours behind Bangkok. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call London from Bangkok?: Between 15:00–18:00 in Bangkok, which is 09:00–12:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Bangkok observe daylight saving time?: No. Bangkok stays on UTC+7 all year, so its clocks never move.
Does London observe daylight saving time?: Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
If it is midday in Bangkok, what time is it in London?: It is 06:00 in London, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Bangkok and London use?: Bangkok uses Asia/Bangkok, currently UTC+7, and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.