Mexico City to Vietnam
+13hMexico City
CSTSOURCEVietnam
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
CST and ICT on the World Map
The map below highlights the CST (Central Standard Time) and ICT (Indochina Time) timezone regions across the globe.
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.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
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.
Mexico City to Vietnam Time Difference – Complete Guide
Mexico City runs on Central Standard Time (CST) at UTC-06:00. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts Mexico City 13 hours ahead of Vietnam — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in Mexico City it is 10:00 PM in Vietnam. Midnight in Mexico City is 1:00 PM in Vietnam. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Mexico City to Vietnam time conversion table
| Mexico City (CST) | Vietnam (ICT) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | same day |
| 6:00 AM | 7:00 PM | same day |
| 7:00 AM | 8:00 PM | same day |
| 8:00 AM | 9:00 PM | same day |
| 9:00 AM | 10:00 PM | same day |
| 12:00 PM | 1:00 AM | next day |
| 3:00 PM | 4:00 AM | next day |
| 5:00 PM | 6:00 AM | next day |
| 6:00 PM | 7:00 AM | next day |
| 9:00 PM | 10:00 AM | next day |
Why people convert Mexico City to Vietnam time
- Scheduling a call from Mexico City to Vietnam: a 10:00 AM start in Mexico City lands at 11:00 PM in Vietnam, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: Mexico City and Vietnam have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Vietnam is 10:00 PM in Mexico City.
- Keeping family and friends in sync: knowing that 8:00 PM in Mexico City is 9:00 AM in Vietnam makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM CST" is unambiguous; "3 PM" across a +13h gap is not.
- With a +13h gap there is no shared 9-to-5 window, so alternate the early start: one week Mexico City takes the early slot, the next week Vietnam does.
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 ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
Best time to call between Mexico City and Vietnam
With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. Vietnam opens at 9:00 AM ICT, which is 10:00 PM in Mexico City, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Mexico City and Vietnam have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Mexico City is 13 hours ahead of Vietnam (CST UTC-06:00 → ICT UTC+07:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
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 Mexico City and Vietnam?
Mexico City (CST, UTC-06:00) is 13 hours ahead of Vietnam (ICT, UTC+07:00). The gap is currently +13h.
How do I convert Mexico City time to Vietnam time?
Add +13h to Mexico City local time. For example, 9:00 AM in Mexico City is 10:00 PM in Vietnam.
What time is it in Vietnam right now?
Vietnam uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from Mexico City.
What is the best time to call Vietnam from Mexico City?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in Mexico City, which is 2:00 AM in Vietnam.
Which is ahead, Mexico City or Vietnam?
Mexico City is 13 hours ahead of Vietnam. When it is 12:00 PM in Mexico City it is 1:00 AM in Vietnam.
Do Mexico City and Vietnam use different time zones?
Mexico City (Mexico) uses CST at UTC-06:00, while Vietnam (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are America/Mexico_City and Asia/Ho_Chi_Minh.
Does daylight saving time affect the Mexico City–Vietnam difference?
Neither zone observes daylight saving time, so the +13h offset between Mexico City and Vietnam is fixed all year.
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 Vietnam?
Sometimes. The +13h gap is large enough that 8:00 PM or later in Mexico City already falls on the next day in Vietnam.
What is the time difference between Mexico City and Vietnam?
Vietnam is +13h 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 Vietnam in?
Vietnam operates on its local timezone.
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 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 ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in Mexico City, what time is it in Vietnam?
When it is 12:00 AM (midnight) in Mexico City (CST), it is +13h later in Vietnam (ICT).
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