Bangkok to CDT
-12hBangkok
ICTSOURCECDT
CDTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and CDT on the World Map
The map below highlights the ICT (Indochina Time) and CDT (Central Daylight 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.
CDT – Central Daylight Time
UTC-05:00Central Daylight Time (CDT) is the daylight saving offset in the Central Time Zone, 5 hours behind UTC.
- •CDT is the same offset as EST (UTC-05:00), which can cause confusion.
- •CDT runs from the second Sunday in March to the first Sunday in November.
About Bangkok
WikipediaBangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
Bangkok is one of the world's most visited cities, with over 22 million visitors annually.
Time Conversion Guide: Bangkok to CDT
Bangkok runs on Indochina Time (ICT) at UTC+07:00. CDT runs on Central Daylight Time (CDT) at UTC-05:00. That puts Bangkok 12 hours behind CDT — a difference of -12h at the current offsets.
In practice, when it is 9:00 AM in Bangkok it is 9:00 PM in CDT on the previous day. Midnight in Bangkok is 12:00 PM in CDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Bangkok to CDT time conversion table
| Bangkok (ICT) | CDT (CDT) | Day |
|---|---|---|
| 12:00 AM | 12:00 PM | previous day |
| 6:00 AM | 6:00 PM | previous day |
| 7:00 AM | 7:00 PM | previous day |
| 8:00 AM | 8:00 PM | previous day |
| 9:00 AM | 9:00 PM | previous day |
| 12:00 PM | 12:00 AM | same day |
| 3:00 PM | 3:00 AM | same day |
| 5:00 PM | 5:00 AM | same day |
| 6:00 PM | 6:00 AM | same day |
| 9:00 PM | 9:00 AM | same day |
Why people convert Bangkok to CDT time
- Scheduling a call from Bangkok to CDT: a 10:00 AM start in Bangkok lands at 10:00 PM in CDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -12h gap: Bangkok and CDT 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 CDT is 9:00 PM in Bangkok.
- Booking travel or deliveries: tracking CDT local time against Bangkok keeps pickup windows and arrival estimates honest across the -12h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -12h gap is not.
- With a -12h gap there is no shared 9-to-5 window, so alternate the early start: one week Bangkok takes the early slot, the next week CDT 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 CDT (Central Daylight Time)
Central Daylight Time (CDT) is observed during summer months in the US and Canadian portions of the Central Time Zone. Clocks are moved forward by one hour, aligning with Eastern Standard Time (EST). Most of Mexico and Central America do not observe CDT, staying on CST year-round.
Best time to call between Bangkok and CDT
With a -12h offset there is no overlap inside a normal 9 AM – 5 PM day. CDT opens at 9:00 AM CDT, which is 9:00 PM in Bangkok, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Bangkok and CDT have no shared working hours because of the -12h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Bangkok is 12 hours behind CDT (ICT UTC+07:00 → CDT UTC-05:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Bangkok
Does not observe DST
CDT
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
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 Bangkok and CDT?
Bangkok (ICT, UTC+07:00) is 12 hours behind CDT (CDT, UTC-05:00). The gap is currently -12h.
How do I convert Bangkok time to CDT time?
Add -12h to Bangkok local time. For example, 9:00 AM in Bangkok is 9:00 PM in CDT (previous day).
What time is it in CDT right now?
CDT uses CDT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -12h offset from Bangkok.
What is the best time to call CDT from Bangkok?
There is no shared working-hours window because of the -12h gap. The closest option is 1:00 PM in Bangkok, which is 1:00 AM in CDT.
Which is behind, Bangkok or CDT?
Bangkok is 12 hours behind CDT. When it is 12:00 PM in Bangkok it is 12:00 AM in CDT.
Do Bangkok and CDT use different time zones?
Bangkok (Thailand) uses ICT at UTC+07:00, while CDT uses CDT at UTC-05:00. The IANA identifiers are Asia/Bangkok and America/Chicago.
Does daylight saving time affect the Bangkok–CDT difference?
Neither zone observes daylight saving time, so the -12h offset between Bangkok and CDT is fixed all year.
Which other cities share Bangkok's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Bangkok's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Bangkok and CDT?
Sometimes. The -12h gap is large enough that 8:00 PM or later in Bangkok already falls on the in CDT.
What is the time difference between Bangkok and CDT?
CDT is -12h from Bangkok.
What timezone is Bangkok in?
Bangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
What timezone is CDT in?
CDT operates on its local timezone.
What are the business hours in Bangkok?
Standard business hours in Bangkok are 8:30 AM - 5:30 PM ICT.
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 CDT timezone?
Major cities in the CDT timezone include Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.
What is the UTC offset for CDT?
Central Daylight Time (CDT) is at UTC-05:00. During daylight saving time, it shifts to CST.
What should I know about the CDT timezone?
CDT is the same offset as EST (UTC-05:00), which can cause confusion. CDT runs from the second Sunday in March to the first Sunday in November.
When is it midnight in Bangkok, what time is it in CDT?
When it is 12:00 AM (midnight) in Bangkok (ICT), it is -12h later in CDT (CDT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Bangkok time conversions
- bangkok to ict
- bangkok to thailand
- bangkok to dubai
- bangkok to mumbai
- bangkok to delhi
- bangkok to bangalore
- bangkok to kathmandu
- bangkok to singapore
- bangkok to hong kong
- bangkok to shanghai
- bangkok to beijing
- bangkok to tokyo
- bangkok to osaka
- bangkok to seoul
- bangkok to new york
- bangkok to london
- bangkok to sydney
- bangkok to los angeles
- bangkok to paris
- bangkok to berlin
- bangkok to toronto
- new york to bangkok
- london to bangkok
- dubai to bangkok
- tokyo to bangkok
- singapore to bangkok
- sydney to bangkok
- los angeles to bangkok
- paris to bangkok
- delhi to bangkok
- mumbai to bangkok
- berlin to bangkok
- hong kong to bangkok
- toronto to bangkok
- kathmandu to bangkok
See every conversion from Bangkok →·See every conversion from CDT →