MST to Mexico City
+1hMST
MSTSOURCEMexico City
CSTGreen rows indicate typical business hours (9 AM - 5 PM)
MST and CST on the World Map
The map below highlights the MST (Mountain Standard Time) and CST (Central Standard Time) timezone regions across the globe.
MST – Mountain Standard Time
UTC-07:00Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.
- •Arizona does not observe daylight saving time, staying on MST year-round.
- •The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
- •Denver, the 'Mile High City', is the largest city fully in MST.
- •MST covers 6 US states entirely and parts of several others.
CST – Central Standard Time
UTC-06:00Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.
- •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.
About Mexico City
WikipediaMexico 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.
Mexico City is the oldest capital city in the Americas.
Everything You Need to Know About MST and Mexico City Time
MST runs on Mountain Standard Time (MST) at UTC-07:00. Mexico City runs on Central Standard Time (CST) at UTC-06:00. That puts MST 1 hour ahead of Mexico City — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in MST it is 10:00 AM in Mexico City. Midnight in MST is 1:00 AM in Mexico City. Neither zone observes daylight saving time, so the offset between them stays constant all year.
MST to Mexico City time conversion table
| MST (MST) | Mexico City (CST) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert MST to Mexico City time
- Scheduling a call from MST to Mexico City: a 10:00 AM start in MST lands at 11:00 AM in Mexico City, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both MST and Mexico City are inside the 9-to-5 working day between 9:00 AM and 4:00 PM MST time (10:00 AM–5:00 PM CST). That is roughly 7 hours of usable overlap.
- Watching a live event or market open: MST viewers need 10:00 AM in Mexico City to catch a 9:00 AM start there, and 11:00 PM if the event is anchored to MST.
- Always state the zone abbreviation, not just the hour. "3:00 PM MST" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM MST as the recurring meeting window if you work primarily from MST and need Mexico City colleagues present.
About MST (Mountain Standard Time)
Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).
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 MST and Mexico City
Both MST and Mexico City sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM MST, which is 10:00 AM–5:00 PM CST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
MST and Mexico City share 7 hours of working-hours overlap (9:00 AM–4:00 PM MST), so scheduling a live meeting is straightforward.
MST is 1 hour ahead of Mexico City (MST UTC-07:00 → CST UTC-06:00). The shared working window is 9:00 AM–4:00 PM MST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
MST
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
Clocks fall back on Sun, Nov 1, 2026
Mexico City
Does not observe DST
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between MST and Mexico City?
MST (MST, UTC-07:00) is 1 hour ahead of Mexico City (CST, UTC-06:00). The gap is currently +1h.
How do I convert MST time to Mexico City time?
Add +1h to MST local time. For example, 9:00 AM in MST is 10:00 AM in Mexico City.
What time is it in Mexico City right now?
Mexico City 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 +1h offset from MST.
What is the best time to call Mexico City from MST?
Call between 9:00 AM and 4:00 PM MST — that maps to 10:00 AM–5:00 PM CST and keeps both parties inside the working day.
Which is ahead, MST or Mexico City?
MST is 1 hour ahead of Mexico City. When it is 12:00 PM in MST it is 1:00 PM in Mexico City.
Do MST and Mexico City use different time zones?
MST uses MST at UTC-07:00, while Mexico City (Mexico) uses CST at UTC-06:00. The IANA identifiers are America/Denver and America/Mexico_City.
Does daylight saving time affect the MST–Mexico City difference?
Neither zone observes daylight saving time, so the +1h offset between MST and Mexico City is fixed all year.
Which other cities share MST's time zone?
MST also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.
Which countries use MST, MST's zone?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Is there a day difference between MST and Mexico City?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between MST and Mexico City?
Mexico City is +1h from MST.
What timezone is MST in?
MST operates on its local timezone.
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 are the business hours in Mexico City?
Standard business hours in Mexico City are 9:00 AM - 6:00 PM CST.
Which countries use MST (Mountain Standard Time)?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Does MST observe daylight saving time?
Yes, MST switches to MDT during summer months.
What are some interesting facts about MST?
Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
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 MST, what time is it in Mexico City?
When it is 12:00 AM (midnight) in MST (MST), it is +1h later in Mexico City (CST).
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