Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

Mexico City to ICT

+13h

Mexico City

CSTSOURCE

Mexico · UTC-06:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

ICT

UTC+07:00

HH01

MM00

(next day)01:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Mexico City

ICT

12:00 AM

1:00 PM

2:00 AM

3:00 PM

4:00 AM

5:00 PM

6:00 AM

7:00 PM

8:00 AM

9:00 PM

10:00 AM

11:00 PM

12:00 PM

1:00 AM+1

2:00 PM

3:00 AM+1

4:00 PM

5:00 AM+1

6:00 PM

7:00 AM+1

8:00 PM

9:00 AM+1

10:00 PM

11:00 AM+1

Green 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 Zone

→

ICT Zone

Explore all world timezones interactively →

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

ICT – Indochina Time

UTC+07:00

Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.

Countries in ICT

ThailandVietnamCambodiaLaosIndonesia (WIB)

Major Cities in ICT

BangkokHo Chi Minh CityHanoiJakartaPhnom PenhVientiane

Key Facts about ICT

•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.

Daylight Saving:No – UTC+07:00 year-round

Learn more about ICT on Wikipedia

About Mexico City

Wikipedia

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.

Population:9.2 million

Metro:21.8 million

Business Hours:9:00 AM - 6:00 PM CST

Currency:MXN ($)

Stock Exchange:BMV (Bolsa Mexicana de Valores)

Key Landmarks

ZócaloPalacio de Bellas ArtesChapultepec CastleTemplo MayorAngel of Independence

Did You Know?

Mexico City is the oldest capital city in the Americas.

Learn more about CST timezone →

Everything You Need to Know About Mexico City and ICT Time

Mexico City runs on Central Standard Time (CST) at UTC-06:00. ICT runs on Indochina Time (ICT) at UTC+07:00. That puts Mexico City 13 hours ahead of ICT — 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 ICT. Midnight in Mexico City is 1:00 PM in ICT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Mexico City to ICT time conversion table

Mexico City (CST)	ICT (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 ICT time

Scheduling a call from Mexico City to ICT: a 10:00 AM start in Mexico City lands at 11:00 PM in ICT, so you can confirm the slot without doing the arithmetic yourself.
Handling a +13h gap: Mexico City and ICT 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 ICT 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 ICT 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 ICT 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 ICT

With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. ICT 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 ICT 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 ICT (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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Mexico City and ICT?

Mexico City (CST, UTC-06:00) is 13 hours ahead of ICT (ICT, UTC+07:00). The gap is currently +13h.

How do I convert Mexico City time to ICT time?

Add +13h to Mexico City local time. For example, 9:00 AM in Mexico City is 10:00 PM in ICT.

What time is it in ICT right now?

ICT 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 ICT 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 ICT.

Which is ahead, Mexico City or ICT?

Mexico City is 13 hours ahead of ICT. When it is 12:00 PM in Mexico City it is 1:00 AM in ICT.

Do Mexico City and ICT use different time zones?

Mexico City (Mexico) uses CST at UTC-06:00, while ICT uses ICT at UTC+07:00. The IANA identifiers are America/Mexico_City and Asia/Bangkok.

Does daylight saving time affect the Mexico City–ICT difference?

Neither zone observes daylight saving time, so the +13h offset between Mexico City and ICT 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 ICT?

Sometimes. The +13h gap is large enough that 8:00 PM or later in Mexico City already falls on the next day in ICT.

What is the time difference between Mexico City and ICT?

ICT 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.