What is the time difference between Mexico City and London?

London is 7 hours ahead of Mexico City. 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 Mexico City?

Between 09:00–11:00 in Mexico City, which is 16:00–18:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Mexico City observe daylight saving time?

No. Mexico City stays on UTC-6 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 Mexico City, what time is it in London?

It is 19:00 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 Mexico City and London use?

Mexico City uses America/Mexico_City, currently UTC-6 (CST), 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 Mexico City time to London time

London is 7 hours ahead of Mexico City right now, so midday in Mexico City lands in the evening 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 Mexico City, across for London.

Mexico City	London
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	00:00next day
18:00	01:00next day
19:00	02:00next day
20:00	03:00next day
21:00	04:00next day
22:00	05:00next day
23:00	06:00next day

Daylight saving time

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

Mexico City

Does not observe daylight saving time

Standard: UTC-6

London

Observes daylight saving time

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

When you can actually talk

The window is 2 hours wide — 09:00–11:00 in Mexico City, 16:00–18:00 in London.

Mexico City 09:00–11:00London 16:00–18:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Mexico City	London
IANA zone	America/Mexico_City	Europe/London
Abbreviation	CST	BST
Standard offset	UTC-6	UTC+0
Daylight offset	—	UTC+1
Clock changes this year	0	2
Country	Mexico	United Kingdom

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

Common questions

What is the time difference between Mexico City and London?: London is 7 hours ahead of Mexico City. 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 Mexico City?: Between 09:00–11:00 in Mexico City, which is 16:00–18:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Mexico City observe daylight saving time?: No. Mexico City stays on UTC-6 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 Mexico City, what time is it in London?: It is 19:00 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 Mexico City and London use?: Mexico City uses America/Mexico_City, currently UTC-6 (CST), and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.