Vietnam to Mexico City
-13hVietnam
ICTSOURCEMexico City
CSTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and CST on the World Map
The map below highlights the ICT (Indochina Time) and CST (Central Standard Time) timezone regions across the globe.
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.
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.
Comparing Time Zones: Vietnam and Mexico City
Vietnam runs on Indochina Time (ICT) at UTC+07:00. Mexico City runs on Central Standard Time (CST) at UTC-06:00. That puts Vietnam 13 hours behind Mexico City — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in Vietnam it is 8:00 PM in Mexico City on the previous day. Midnight in Vietnam is 11:00 AM in Mexico City. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Vietnam to Mexico City time conversion table
| Vietnam (ICT) | Mexico City (CST) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert Vietnam to Mexico City time
- Scheduling a call from Vietnam to Mexico City: a 10:00 AM start in Vietnam lands at 9:00 PM in Mexico City the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: Vietnam and Mexico City 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 Mexico City is 8:00 PM in Vietnam.
- Coordinating a Vietnam-based team with Mexico City 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 ICT" 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 Vietnam takes the early slot, the next week Mexico City does.
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.
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 Vietnam and Mexico City
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. Mexico City opens at 9:00 AM CST, which is 8:00 PM in Vietnam, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Vietnam and Mexico City have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Vietnam is 13 hours behind Mexico City (ICT UTC+07:00 → CST UTC-06:00). 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 Vietnam and Mexico City?
Vietnam (ICT, UTC+07:00) is 13 hours behind Mexico City (CST, UTC-06:00). The gap is currently -13h.
How do I convert Vietnam time to Mexico City time?
Add -13h to Vietnam local time. For example, 9:00 AM in Vietnam is 8:00 PM in Mexico City (previous day).
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 -13h offset from Vietnam.
What is the best time to call Mexico City from Vietnam?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in Vietnam, which is 12:00 AM in Mexico City.
Which is behind, Vietnam or Mexico City?
Vietnam is 13 hours behind Mexico City. When it is 12:00 PM in Vietnam it is 11:00 PM in Mexico City.
Do Vietnam and Mexico City use different time zones?
Vietnam (Vietnam) uses ICT at UTC+07:00, while Mexico City (Mexico) uses CST at UTC-06:00. The IANA identifiers are Asia/Ho_Chi_Minh and America/Mexico_City.
Does daylight saving time affect the Vietnam–Mexico City difference?
Neither zone observes daylight saving time, so the -13h offset between Vietnam and Mexico City is fixed all year.
Which other cities share Vietnam's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Vietnam's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Vietnam and Mexico City?
Sometimes. The -13h gap is large enough that 8:00 PM or later in Vietnam already falls on the in Mexico City.
What is the time difference between Vietnam and Mexico City?
Mexico City is -13h from Vietnam.
What timezone is Vietnam in?
Vietnam 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 ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours 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 Vietnam, what time is it in Mexico City?
When it is 12:00 AM (midnight) in Vietnam (ICT), it is -13h later in Mexico City (CST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Vietnam time conversions
- vietnam to ho chi minh
- vietnam to new york
- vietnam to london
- vietnam to dubai
- vietnam to tokyo
- vietnam to singapore
- vietnam to sydney
- vietnam to los angeles
- vietnam to paris
- vietnam to delhi
- vietnam to mumbai
- vietnam to berlin
- vietnam to hong kong
- vietnam to toronto
- vietnam to kathmandu
- new york to vietnam
- london to vietnam
- dubai to vietnam
- tokyo to vietnam
- singapore to vietnam
- sydney to vietnam
- los angeles to vietnam
- paris to vietnam
- delhi to vietnam
- mumbai to vietnam
- berlin to vietnam
- hong kong to vietnam
- toronto to vietnam
- kathmandu to vietnam
See every conversion from Vietnam →·See every conversion from Mexico City →