What is the time difference between London and Ho Chi Minh City?

Ho Chi Minh City is 6 hours ahead of London. 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 Ho Chi Minh City from London?

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

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.

Does Ho Chi Minh City observe daylight saving time?

No. Ho Chi Minh City stays on UTC+7 all year, so its clocks never move.

If it is midday in London, what time is it in Ho Chi Minh City?

It is 18:00 in Ho Chi Minh City, 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 London and Ho Chi Minh City use?

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

Convert London time to Ho Chi Minh City time

Ho Chi Minh City is 6 hours ahead of London right now, so midday in London lands in the evening in Ho Chi Minh City.

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 London, across for Ho Chi Minh City.

London	Ho Chi Minh City
00:00	06:00
01:00	07:00
02:00	08:00
03:00	09:00
04:00	10:00
05:00	11:00
06:00	12:00
07:00	13:00
08:00	14:00
09:00	15:00
10:00	16:00
11:00	17:00
12:00	18:00
13:00	19:00
14:00	20:00
15:00	21:00
16:00	22:00
17:00	23:00
18:00	00:00next day
19:00	01:00next day
20:00	02:00next day
21:00	03:00next day
22:00	04:00next day
23:00	05:00next day

Daylight saving time

Ho Chi Minh City keeps one offset all year while London moves twice. That is the whole reason this difference is seasonal.

London

Observes daylight saving time

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

Ho Chi Minh City

Does not observe daylight saving time

Standard: UTC+7

When you can actually talk

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

London 09:00–12:00Ho Chi Minh City 15:00–18:00

Reference

The zone identifiers and offsets behind everything above.

	London	Ho Chi Minh City
IANA zone	Europe/London	Asia/Ho_Chi_Minh
Abbreviation	BST	UTC+7
Standard offset	UTC+0	UTC+7
Daylight offset	UTC+1	—
Clock changes this year	2	0
Country	United Kingdom	Vietnam

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

Common questions

What is the time difference between London and Ho Chi Minh City?: Ho Chi Minh City is 6 hours ahead of London. 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 Ho Chi Minh City from London?: Between 09:00–12:00 in London, which is 15:00–18:00 in Ho Chi Minh City. That is the only stretch where both cities are inside a 09:00–18:00 day.
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.
Does Ho Chi Minh City observe daylight saving time?: No. Ho Chi Minh City stays on UTC+7 all year, so its clocks never move.
If it is midday in London, what time is it in Ho Chi Minh City?: It is 18:00 in Ho Chi Minh City, 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 London and Ho Chi Minh City use?: London uses Europe/London, currently UTC+1 (BST), and Ho Chi Minh City uses Asia/Ho_Chi_Minh, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.