Mexico operates four official time zones across its 32 states, plus one quirky exception in Quintana Roo. Most of the country abolished daylight saving time in October 2022 — but the US-border municipalities still observe it. Here's the full breakdown for 2026.
The Four Time Zones
| Zone | UTC Offset | States Covered |
|---|
| Tiempo del Sureste (Eastern) | UTC−5 year-round | Quintana Roo only |
| Tiempo del Centro (Central) | UTC−6 | Most of Mexico — CDMX, Yucatán, Oaxaca, Jalisco, etc. |
| Tiempo del Pacífico (Mountain) | UTC−7 | Sonora, Chihuahua, Sinaloa, Nayarit, BCS |
| Tiempo del Noroeste (Pacific) | UTC−8 | Baja California (north only — Tijuana, Mexicali, Ensenada) |
🧮
Mexico Trip Cost Calculator
Plan Mexico itineraries that don't miss flights to time-zone changes.
Quintana Roo — The Eastern Time Outlier
In February 2015, Quintana Roo (Cancun, Tulum, Playa del Carmen, Cozumel, Bacalar) moved from Central to Eastern Time and stopped observing daylight saving time. Practical effect:
- During US Daylight Time (March–November): Cancun matches Miami exactly.
- During US Standard Time (November–March): Cancun is one hour ahead of Miami, same as Atlanta.
- Cancun is always one hour ahead of Mexico City.
- Most flights between Cancun and CDMX or beyond require checking the time-zone difference.
DST Rules — Mostly Abolished
Mexico's federal government ended daylight saving time for most of the country in October 2022. The exception: 33 border municipalities directly adjacent to the US still switch their clocks twice a year on US dates (second Sunday in March, first Sunday in November) to keep cross-border commerce and commuting aligned.
- Observes DST: Tijuana, Mexicali, Ensenada, Tecate (Baja California); Ciudad Juárez (Chihuahua); Nuevo Laredo, Reynosa, Matamoros (Tamaulipas); Acuña, Piedras Negras (Coahuila); Anáhuac (Nuevo León) and more border towns.
- No DST: Everywhere else — Mexico City, Cancun, Oaxaca, Mérida, Cabo, Puerto Vallarta, Guadalajara, Monterrey, Hermosillo (which never observed it).
State-by-State Time Zone Map
| State | Zone | DST? |
|---|
| Quintana Roo | Eastern | No |
| Mexico City / CDMX | Central | No |
| Yucatán (Mérida) | Central | No |
| Oaxaca | Central | No |
| Jalisco (Puerto Vallarta, GDL) | Central | No |
| Baja California Sur (Cabo) | Mountain | No |
| Sonora | Mountain | No (never observed) |
| Sinaloa | Mountain | No |
| Nayarit | Mountain | No |
| Chihuahua | Mountain | No except border city Juárez |
| Baja California (Tijuana) | Pacific | Yes |
Border Towns — Watch Out
If you cross the US-Mexico border at Tijuana/San Diego, Juárez/El Paso or Laredo/Nuevo Laredo, the clock change is automatic on your phone — but if you're crossing inland from Baja Sur into Baja Norte, or driving from Sonora into Chihuahua, expect an hour shift.
Tourist Impact
- Connecting flights through Mexico City to Cancun: 3-hour MEX→CUN flight crosses one time zone — you arrive 4 wall-clock hours after departure.
- Cabo flights from CDMX: CDMX (Central) to SJD (Mountain) — you arrive 1 wall-clock hour after departure for a 2.5-hour flight.
- Working remotely: Cancun on Eastern Time matches the US East Coast year-round — popular with remote workers. CDMX on Central matches Houston/Chicago.
- Calling home: Use a SIM/eSIM with proper time-zone setup (Airalo handles this automatically) so calendar invites don't arrive an hour off.
Mexico operates four official time zones across its 32 states, plus one quirky exception in Quintana Roo. Most of the country abolished daylight saving time in October 2022 — but the US-border municipalities still observe it. Here's the full breakdown for 2026.
The Four Time Zones
| Zone | UTC Offset | States Covered |
|---|
| Tiempo del Sureste (Eastern) | UTC−5 year-round | Quintana Roo only |
| Tiempo del Centro (Central) | UTC−6 | Most of Mexico — CDMX, Yucatán, Oaxaca, Jalisco, etc. |
| Tiempo del Pacífico (Mountain) | UTC−7 | Sonora, Chihuahua, Sinaloa, Nayarit, BCS |
| Tiempo del Noroeste (Pacific) | UTC−8 | Baja California (north only — Tijuana, Mexicali, Ensenada) |
🧮
Mexico Trip Cost Calculator
Plan Mexico itineraries that don't miss flights to time-zone changes.
Quintana Roo — The Eastern Time Outlier
In February 2015, Quintana Roo (Cancun, Tulum, Playa del Carmen, Cozumel, Bacalar) moved from Central to Eastern Time and stopped observing daylight saving time. Practical effect:
- During US Daylight Time (March–November): Cancun matches Miami exactly.
- During US Standard Time (November–March): Cancun is one hour ahead of Miami, same as Atlanta.
- Cancun is always one hour ahead of Mexico City.
- Most flights between Cancun and CDMX or beyond require checking the time-zone difference.
DST Rules — Mostly Abolished
Mexico's federal government ended daylight saving time for most of the country in October 2022. The exception: 33 border municipalities directly adjacent to the US still switch their clocks twice a year on US dates (second Sunday in March, first Sunday in November) to keep cross-border commerce and commuting aligned.
- Observes DST: Tijuana, Mexicali, Ensenada, Tecate (Baja California); Ciudad Juárez (Chihuahua); Nuevo Laredo, Reynosa, Matamoros (Tamaulipas); Acuña, Piedras Negras (Coahuila); Anáhuac (Nuevo León) and more border towns.
- No DST: Everywhere else — Mexico City, Cancun, Oaxaca, Mérida, Cabo, Puerto Vallarta, Guadalajara, Monterrey, Hermosillo (which never observed it).
State-by-State Time Zone Map
| State | Zone | DST? |
|---|
| Quintana Roo | Eastern | No |
| Mexico City / CDMX | Central | No |
| Yucatán (Mérida) | Central | No |
| Oaxaca | Central | No |
| Jalisco (Puerto Vallarta, GDL) | Central | No |
| Baja California Sur (Cabo) | Mountain | No |
| Sonora | Mountain | No (never observed) |
| Sinaloa | Mountain | No |
| Nayarit | Mountain | No |
| Chihuahua | Mountain | No except border city Juárez |
| Baja California (Tijuana) | Pacific | Yes |
Border Towns — Watch Out
If you cross the US-Mexico border at Tijuana/San Diego, Juárez/El Paso or Laredo/Nuevo Laredo, the clock change is automatic on your phone — but if you're crossing inland from Baja Sur into Baja Norte, or driving from Sonora into Chihuahua, expect an hour shift.
Tourist Impact
- Connecting flights through Mexico City to Cancun: 3-hour MEX→CUN flight crosses one time zone — you arrive 4 wall-clock hours after departure.
- Cabo flights from CDMX: CDMX (Central) to SJD (Mountain) — you arrive 1 wall-clock hour after departure for a 2.5-hour flight.
- Working remotely: Cancun on Eastern Time matches the US East Coast year-round — popular with remote workers. CDMX on Central matches Houston/Chicago.
- Calling home: Use a SIM/eSIM with proper time-zone setup (Airalo handles this automatically) so calendar invites don't arrive an hour off.