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Mexico City to London

+6h

Mexico City

CSTSOURCE
Mexico · UTC-06:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

London

GMT
UK · UTC+00:00DST observed
HH06
:
MM00
  
18:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Mexico City
London
12:00 AM
6:00 AM
2:00 AM
8:00 AM
4:00 AM
10:00 AM
6:00 AM
12:00 PM
8:00 AM
2:00 PM
10:00 AM
4:00 PM
12:00 PM
6:00 PM
2:00 PM
8:00 PM
4:00 PM
10:00 PM
6:00 PM
12:00 AM+1
8:00 PM
2:00 AM+1
10:00 PM
4:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

CST and GMT on the World Map

The map below highlights the CST (Central Standard Time) and GMT (Greenwich Mean Time) timezone regions across the globe.

CSTGMTChicagoHoustonDallasSan AntonioLondonDublinLisbonAccra
CST Zone
GMT Zone

Explore all world timezones interactively →

CSTCentral Standard Time

UTC-06:00

Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.

Countries in CST
United States (Central)Canada (Manitoba, Saskatchewan)MexicoGuatemalaHondurasEl SalvadorCosta RicaNicaraguaBelize
Major Cities in CST
ChicagoHoustonDallasSan AntonioMexico CityAustinWinnipegMemphisMilwaukeeNashvilleKansas CityNew OrleansMinneapolisGuatemala City
Key Facts about CST
  • CST covers 20 US states fully or partially.
  • Chicago and Houston are the two largest cities in the Central Time Zone.
  • Mexico City, one of the world's most populous cities, operates on CST.
  • CST is 1 hour behind EST and 2 hours ahead of PST.
Daylight Saving:Yes – switches to CDT
Learn more about CST on Wikipedia

GMTGreenwich Mean Time

UTC+00:00

Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.

Countries in GMT
United KingdomIrelandIcelandPortugal (mainland)GhanaSenegalMaliMauritaniaGambiaGuineaSierra LeoneLiberiaIvory CoastBurkina FasoMorocco (historically)
Major Cities in GMT
LondonDublinLisbonAccraReykjavikEdinburghCasablancaDakarBamakoAbidjanConakryFreetownMonrovia
Key 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.
  • 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.
Daylight Saving:Yes – switches to BST
Learn more about GMT on Wikipedia

About Mexico City

Wikipedia

Mexico City operates on Central Time (CST/CDT), same as Chicago. As North America's largest city, Mexico City bridges US and Latin American business hours.

Population:9.2 million
Metro:21.8 million
Business Hours:9:00 AM - 6:00 PM CST
Currency:MXN ($)
Stock Exchange:BMV (Bolsa Mexicana de Valores)
Key Landmarks
ZócaloPalacio de Bellas ArtesChapultepec CastleTemplo MayorAngel of Independence
Did You Know?

Mexico City is built on a lake bed and is sinking by about 50cm per year.

Learn more about CST timezone →

About London

Wikipedia

London, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.

Population:8.8 million
Metro:14.8 million
Business Hours:9:00 AM - 5:00 PM GMT
Currency:GBP (£)
Stock Exchange:LSE (London Stock Exchange)
Key Landmarks
Big BenTower BridgeBuckingham PalaceLondon EyeThe Shard
Did You Know?

Big Ben is actually the name of the bell inside the Elizabeth Tower, not the tower itself.

Learn more about GMT timezone →

Comparing Time Zones: Mexico City and London

Mexico City, Mexico operates on the Central Standard Time (UTC-06:00). London, UK uses Greenwich Mean Time (UTC+00:00).

The time difference between Mexico City and London is 360 minutes (+6h). When it's noon in Mexico City, it's 06:00 PM in London.

Why Convert Mexico City to London Time?

The time difference of 6 hours between Mexico City and London can significantly impact business operations and personal communication. By using this converter, you can easily find the overlapping business hours and schedule your interactions when both parties are available.

Pro Tip: If you frequently communicate with people in London from Mexico City, consider adding a dual-clock widget to your phone or computer to keep track of the 6-hour difference at a glance.

About CST (Central Standard Time)

Central Standard Time (CST) covers the central region of North America. It is the second most populous time zone in the US, including major cities like Chicago, Houston, and Dallas. CST is also used in Mexico City and much of Central America including Guatemala, Honduras, El Salvador, and Costa Rica. During summer, most of the US and Canada switch to Central Daylight Time (CDT, UTC-05:00), while Mexico and Central American countries generally remain on CST.

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.

Best Time to Call Between Mexico City and London

If you want to reach someone in London during standard business hours (9 AM – 5 PM GMT), the best time to call from Mexico City would be:

  • London 9:00 AM = Mexico City 03:00 AM
  • London 12:00 PM = Mexico City 06:00 AM
  • London 5:00 PM = Mexico City 11:00 AM

Business Hours Overlap

Mexico City and London have a partial business hours overlap. The best window for meetings and calls is when both locations are in their working hours.

In summary, the +6h time difference between Mexico City and London means you need to plan carefully. Use this page as your go-to reference for quick and accurate time conversions.

🕐 Daylight Saving Time Info

Mexico City

Does not observe DST

London

❄ Currently in Standard Time

Standard: UTC+00:00 · DST: UTC+01:00

Clocks spring forward on Sun, Mar 29, 2026

Frequently Asked Questions

What is the time difference between Mexico City and London?

London is +6h from Mexico City.

What timezone is Mexico City in?

Mexico City operates on Central Time (CST/CDT), same as Chicago. As North America's largest city, Mexico City bridges US and Latin American business hours.

What timezone is London in?

London, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.

What are the business hours in Mexico City?

Standard business hours in Mexico City are 9:00 AM - 6:00 PM CST.

What are the business hours in London?

Standard business hours in London are 9:00 AM - 5:00 PM GMT.

What is the best time to schedule a call between Mexico City and London?

The best overlap for a call is when both cities are in business hours. Mexico City works 9:00 AM - 6:00 PM CST and London works 9:00 AM - 5:00 PM GMT (+6h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Mexico City and London?

Mexico City uses MXN ($) while London uses GBP (£). Check current exchange rates when planning travel or business between these cities.

How do Mexico City and London compare in size?

Mexico City has a population of approximately 9.2 million (metro: 21.8 million), while London has approximately 8.8 million (metro: 14.8 million).

What are the major landmarks in Mexico City and London?

Mexico City is known for Zócalo, Palacio de Bellas Artes, Chapultepec Castle. London is famous for Big Ben, Tower Bridge, Buckingham Palace.

Do Mexico City and London have stock exchanges?

Yes. Mexico City has the BMV (Bolsa Mexicana de Valores) and London has the LSE (London Stock Exchange). The +6h time difference affects trading hour overlaps between these exchanges.

Which countries use CST (Central Standard Time)?

CST is used in United States (Central), Canada (Manitoba, Saskatchewan), Mexico, Guatemala, Honduras, El Salvador, and 3 more countries.

Does CST observe daylight saving time?

Yes, CST switches to CDT during summer months.

What are some interesting facts about CST?

CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.

Which cities are in the GMT timezone?

Major cities in the GMT timezone include London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar.

What is the UTC offset for GMT?

Greenwich Mean Time (GMT) is at UTC+00:00. During daylight saving time, it shifts to BST.

What should I know about the GMT timezone?

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.

When is it midnight in Mexico City, what time is it in London?

When it is 12:00 AM (midnight) in Mexico City (CST), it is +6h later in London (GMT).