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Mexico City to Halifax

+3h

Mexico City

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

Halifax

ADT
Canada · UTC-03:00☀ DST active
HH03
:
MM00
  
15:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Mexico City
Halifax
12:00 AM
3:00 AM
2:00 AM
5:00 AM
4:00 AM
7:00 AM
6:00 AM
9:00 AM
8:00 AM
11:00 AM
10:00 AM
1:00 PM
12:00 PM
3:00 PM
2:00 PM
5:00 PM
4:00 PM
7:00 PM
6:00 PM
9:00 PM
8:00 PM
11:00 PM
10:00 PM
1:00 AM+1

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

CST and ADT on the World Map

The map below highlights the CST (Central Standard Time) and ADT (Atlantic Standard Time) timezone regions across the globe.

CSTADTChicagoHoustonDallasSan AntonioHalifaxSan JuanSanto DomingoCaracas
CST Zone
→
ADT Zone

Explore all world timezones interactively →

CST – Central 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

AST – Atlantic Standard Time

UTC-04:00

Atlantic Standard Time (AST) is the time zone for the Canadian Atlantic provinces and the Caribbean, 4 hours behind UTC.

Countries in AST
Canada (Atlantic provinces)Puerto RicoUS Virgin IslandsDominican RepublicVenezuelaBoliviaBarbadosTrinidad and Tobago
Major Cities in AST
HalifaxSan JuanSanto DomingoCaracasLa PazFrederictonCharlottetown
Key Facts about AST
  • •Puerto Rico uses AST year-round and does not observe DST.
  • •AST is 1 hour ahead of EST.
  • •Halifax, the capital of Nova Scotia, is the largest city in AST Canada.
Daylight Saving:Yes – switches to ADT
Learn more about AST 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 the oldest capital city in the Americas.

Learn more about CST timezone →

About Halifax

Wikipedia

Halifax operates on Atlantic Time (AST/ADT), UTC-4. As Canada's major Atlantic port and closest city to Europe, Halifax bridges North American and European business.

Population:440,000
Metro:465,000
Business Hours:9:00 AM - 5:00 PM AST
Currency:CAD (C$)
Stock Exchange:N/A (Uses TSX)
Key Landmarks
Halifax CitadelPeggy's CoveHalifax WaterfrontCanadian Museum of ImmigrationPublic Gardens
Did You Know?

Halifax harbors the second largest natural ice-free harbor in the world.

Learn more about ADT timezone →

Mexico City vs Halifax: Offsets, DST and Best Call Times

Mexico City runs on Central Standard Time (CST) at UTC-06:00. Halifax runs on Atlantic Daylight Time (ADT) at UTC-03:00, also currently on daylight saving time. That puts Mexico City 3 hours ahead of Halifax — a difference of +3h at the current offsets.

In practice, when it is 9:00 AM in Mexico City it is 12:00 PM in Halifax. Midnight in Mexico City is 3:00 AM in Halifax.Halifax observes daylight saving time while Mexico City does not, so the gap narrows or widens by an hour part of the year.

Mexico City to Halifax time conversion table

Mexico City (CST)Halifax (ADT)Day
12:00 AM3:00 AMsame day
6:00 AM9:00 AMsame day
7:00 AM10:00 AMsame day
8:00 AM11:00 AMsame day
9:00 AM12:00 PMsame day
12:00 PM3:00 PMsame day
3:00 PM6:00 PMsame day
5:00 PM8:00 PMsame day
6:00 PM9:00 PMsame day
9:00 PM12:00 AMnext day

Why people convert Mexico City to Halifax time

  • Scheduling a call from Mexico City to Halifax: a 10:00 AM start in Mexico City lands at 1:00 PM in Halifax, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Mexico City and Halifax are inside the 9-to-5 working day between 9:00 AM and 2:00 PM CST time (12:00 PM–5:00 PM ADT). That is roughly 5 hours of usable overlap.
  • Coordinating a Mexico City-based team with Halifax contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
  • Always state the zone abbreviation, not just the hour. "3:00 PM CST" is unambiguous; "3 PM" across a +3h gap is not.
  • Block 9:00 AM–2:00 PM CST as the recurring meeting window if you work primarily from Mexico City and need Halifax colleagues present.
  • Halifax: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.

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 AST (Atlantic Standard Time)

Atlantic Standard Time (AST) covers Canada's Atlantic provinces (Nova Scotia, New Brunswick, Prince Edward Island, and most of Labrador), as well as several Caribbean nations. Puerto Rico and the US Virgin Islands use AST year-round without daylight saving time. The Canadian provinces switch to Atlantic Daylight Time (ADT) in summer.

Best time to call between Mexico City and Halifax

Both Mexico City and Halifax sit inside the 9 AM – 5 PM working day between 9:00 AM–2:00 PM CST, which is 12:00 PM–5:00 PM ADT. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Mexico City and Halifax share 5 hours of working-hours overlap (9:00 AM–2:00 PM CST), so scheduling a live meeting is straightforward.

Mexico City is 3 hours ahead of Halifax (CST UTC-06:00 → ADT UTC-03:00). The shared working window is 9:00 AM–2:00 PM CST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Mexico City

Does not observe DST

Halifax

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

Clocks fall back on Sun, Nov 1, 2026

Frequently Asked Questions

What is the time difference between Mexico City and Halifax?

Mexico City (CST, UTC-06:00) is 3 hours ahead of Halifax (ADT, UTC-03:00). The gap is currently +3h.

How do I convert Mexico City time to Halifax time?

Add +3h to Mexico City local time. For example, 9:00 AM in Mexico City is 12:00 PM in Halifax.

What time is it in Halifax right now?

Halifax uses ADT at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +3h offset from Mexico City.

What is the best time to call Halifax from Mexico City?

Call between 9:00 AM and 2:00 PM CST — that maps to 12:00 PM–5:00 PM ADT and keeps both parties inside the working day.

Which is ahead, Mexico City or Halifax?

Mexico City is 3 hours ahead of Halifax. When it is 12:00 PM in Mexico City it is 3:00 PM in Halifax.

Do Mexico City and Halifax use different time zones?

Mexico City (Mexico) uses CST at UTC-06:00, while Halifax (Canada) uses ADT at UTC-03:00. The IANA identifiers are America/Mexico_City and America/Halifax.

Does daylight saving time affect the Mexico City–Halifax difference?

Yes at the moment: Halifax is on daylight saving time and Mexico City is not, so the +3h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Mexico City's time zone?

CST also covers Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis and 6 more.

Which countries use CST, Mexico City's zone?

CST is used in United States (Central), Canada (Manitoba, Saskatchewan), Mexico, Guatemala, Honduras, El Salvador, Costa Rica, Nicaragua and 1 more.

Is there a day difference between Mexico City and Halifax?

Not normally. The +3h gap only pushes the date over for late-evening times.

What is the time difference between Mexico City and Halifax?

Halifax is +3h 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 Halifax in?

Halifax operates on Atlantic Time (AST/ADT), UTC-4. As Canada's major Atlantic port and closest city to Europe, Halifax bridges North American and European business.

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 Halifax?

Standard business hours in Halifax are 9:00 AM - 5:00 PM AST.

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

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 Halifax works 9:00 AM - 5:00 PM AST (+3h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Mexico City and Halifax?

Mexico City uses MXN ($) while Halifax uses CAD (C$). Check current exchange rates when planning travel or business between these cities.

How do Mexico City and Halifax compare in size?

Mexico City has a population of approximately 9.2 million (metro: 21.8 million), while Halifax has approximately 440,000 (metro: 465,000).

What are the major landmarks in Mexico City and Halifax?

Mexico City is known for Zócalo, Palacio de Bellas Artes, Chapultepec Castle. Halifax is famous for Halifax Citadel, Peggy's Cove, Halifax Waterfront.

Do Mexico City and Halifax have stock exchanges?

Yes. Mexico City has the BMV (Bolsa Mexicana de Valores) and Halifax has the N/A (Uses TSX). The +3h 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 AST timezone?

Major cities in the AST timezone include Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.

What is the UTC offset for AST?

Atlantic Standard Time (AST) is at UTC-04:00. During daylight saving time, it shifts to ADT.

What should I know about the AST timezone?

Puerto Rico uses AST year-round and does not observe DST. AST is 1 hour ahead of EST.

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

When it is 12:00 AM (midnight) in Mexico City (CST), it is +3h later in Halifax (AST).