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Halifax to Mexico

-3h

Halifax

ADTSOURCE
Canada · UTC-03:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Mexico

CST
UTC-06:00
HH09
:
MM00
  
09:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Halifax
Mexico
12:00 AM
9:00 PM-1
2:00 AM
11:00 PM-1
4:00 AM
1:00 AM
6:00 AM
3:00 AM
8:00 AM
5:00 AM
10:00 AM
7:00 AM
12:00 PM
9:00 AM
2:00 PM
11:00 AM
4:00 PM
1:00 PM
6:00 PM
3:00 PM
8:00 PM
5:00 PM
10:00 PM
7:00 PM

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

ADT and CST on the World Map

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

ADTCSTHalifaxSan JuanSanto DomingoCaracasChicagoHoustonDallasSan Antonio
ADT Zone
→
CST Zone

Explore all world timezones interactively →

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

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

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 →

Halifax vs Mexico: Offsets, DST and Best Call Times

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

In practice, when it is 9:00 AM in Halifax it is 6:00 AM in Mexico. Midnight in Halifax is 9:00 PM in Mexico.Halifax observes daylight saving time while Mexico does not, so the gap narrows or widens by an hour part of the year.

Halifax to Mexico time conversion table

Halifax (ADT)Mexico (CST)Day
12:00 AM9:00 PMprevious day
6:00 AM3:00 AMsame day
7:00 AM4:00 AMsame day
8:00 AM5:00 AMsame day
9:00 AM6:00 AMsame day
12:00 PM9:00 AMsame day
3:00 PM12:00 PMsame day
5:00 PM2:00 PMsame day
6:00 PM3:00 PMsame day
9:00 PM6:00 PMsame day

Why people convert Halifax to Mexico time

  • Scheduling a call from Halifax to Mexico: a 10:00 AM start in Halifax lands at 7:00 AM in Mexico, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Halifax and Mexico are inside the 9-to-5 working day between 12:00 PM and 5:00 PM ADT time (9:00 AM–2:00 PM CST). That is roughly 5 hours of usable overlap.
  • Booking travel or deliveries: tracking Mexico local time against Halifax keeps pickup windows and arrival estimates honest across the -3h offset.
  • Always state the zone abbreviation, not just the hour. "3:00 PM ADT" is unambiguous; "3 PM" across a -3h gap is not.
  • Block 12:00 PM–5:00 PM ADT as the recurring meeting window if you work primarily from Halifax and need Mexico colleagues present.
  • Halifax: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the -3h gap.

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.

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.

Best time to call between Halifax and Mexico

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

Business hours overlap

Halifax and Mexico share 5 hours of working-hours overlap (12:00 PM–5:00 PM ADT), so scheduling a live meeting is straightforward.

Halifax is 3 hours behind Mexico (ADT UTC-03:00 → CST UTC-06:00). The shared working window is 12:00 PM–5:00 PM ADT. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Halifax

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

Clocks fall back on Sun, Nov 1, 2026

Mexico

Does not observe DST

Frequently Asked Questions

What is the time difference between Halifax and Mexico?

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

How do I convert Halifax time to Mexico time?

Add -3h to Halifax local time. For example, 9:00 AM in Halifax is 6:00 AM in Mexico.

What time is it in Mexico right now?

Mexico uses CST at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h offset from Halifax.

What is the best time to call Mexico from Halifax?

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

Which is behind, Halifax or Mexico?

Halifax is 3 hours behind Mexico. When it is 12:00 PM in Halifax it is 9:00 AM in Mexico.

Do Halifax and Mexico use different time zones?

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

Does daylight saving time affect the Halifax–Mexico difference?

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

Which other cities share Halifax's time zone?

ADT also covers Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.

Which countries use ADT, Halifax's zone?

ADT is used in Canada (Atlantic provinces), Puerto Rico, US Virgin Islands, Dominican Republic, Venezuela, Bolivia, Barbados, Trinidad and Tobago.

Is there a day difference between Halifax and Mexico?

Not normally. The -3h gap only pushes the date over the previous day.

What is the time difference between Halifax and Mexico?

Mexico is -3h from Halifax.

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 timezone is Mexico in?

Mexico operates on its local timezone.

What are the business hours in Halifax?

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

Which countries use AST (Atlantic Standard Time)?

AST is used in Canada (Atlantic provinces), Puerto Rico, US Virgin Islands, Dominican Republic, Venezuela, Bolivia, and 2 more countries.

Does AST observe daylight saving time?

Yes, AST switches to ADT during summer months.

What are some interesting facts about AST?

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

Which cities are in the CST timezone?

Major cities in the CST timezone include Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis.

What is the UTC offset for CST?

Central Standard Time (CST) is at UTC-06:00. During daylight saving time, it shifts to CDT.

What should I know about the CST timezone?

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

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

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