CST to ICT Converter & Meeting Planner
Quick answer: 9:00 AM CST = 10:00 PM ICT (fixed -06:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Central Standard Time (CST) and Indochina Time (ICT)? You need to account for the standard time difference. Indochina Time is normally 13 hours ahead of Central Standard Time. Whether you are coordinating between teams in Chicago and Dallas and Bangkok and Ho Chi Minh City, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM CST = 1:00 PM ICT. The full 24-hour CST to ICT table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM CST = 4:00 AM ICT (+1 day).
| CST Time | ICT Time |
|---|---|
| 12:00 AM (00:00) | 1:00 PM (13:00) |
| 1:00 AM (01:00) | 2:00 PM (14:00) |
| 2:00 AM (02:00) | 3:00 PM (15:00) |
| 3:00 AM (03:00) | 4:00 PM (16:00) |
| 4:00 AM (04:00) | 5:00 PM (17:00) |
| 5:00 AM (05:00) | 6:00 PM (18:00) |
| 6:00 AM (06:00) | 7:00 PM (19:00) |
| 7:00 AM (07:00) | 8:00 PM (20:00) |
| 8:00 AM (08:00) | 9:00 PM (21:00) |
| 9:00 AM (09:00) | 10:00 PM (22:00) |
| 10:00 AM (10:00) | 11:00 PM (23:00) |
| 11:00 AM (11:00) | 12:00 AM (00:00)+1 day |
| 12:00 PM (12:00) | 1:00 AM (01:00)+1 day |
| 1:00 PM (13:00) | 2:00 AM (02:00)+1 day |
| 2:00 PM (14:00) | 3:00 AM (03:00)+1 day |
| 3:00 PM (15:00) | 4:00 AM (04:00)+1 day |
| 4:00 PM (16:00) | 5:00 AM (05:00)+1 day |
| 5:00 PM (17:00) | 6:00 AM (06:00)+1 day |
| 6:00 PM (18:00) | 7:00 AM (07:00)+1 day |
| 7:00 PM (19:00) | 8:00 AM (08:00)+1 day |
| 8:00 PM (20:00) | 9:00 AM (09:00)+1 day |
| 9:00 PM (21:00) | 10:00 AM (10:00)+1 day |
| 10:00 PM (22:00) | 11:00 AM (11:00)+1 day |
| 11:00 PM (23:00) | 12:00 PM (12:00)+1 day |
Best time to call Bangkok from Chicago
For most work calls, compare the normal business day in Chicago (CST) with the business day in Bangkok (ICT). CST commonly covers North America, Central America, while ICT is mainly associated with Southeast Asia, Indochina Peninsula.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
⚠️ There is no clean same-day business-hours overlap on 2026-07-05. A practical compromise is around 9:00 PM CST, which reaches 9:00 AM ICT near the start of their workday.
- DST Safety: CST or ICT may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Stock Exchange of Thailand (SET): 10:00-16:30 local time in Bangkok.
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Frequently Asked Questions
What is the time difference between CST and ICT?
During standard time, Indochina Time is 13 hours ahead of Central Standard Time.
Is CST the same as Central Time (CT)?
Central Time (CT) is the umbrella term for the zone, while CST and CDT refer to its two seasonal offsets. CST (UTC-6) applies during standard time from November through March, and CDT (UTC-5) applies during Daylight Saving Time from March through November.
Does Mexico City use CST?
Mexico City operates on UTC-6, the same offset as CST, but it does not observe Daylight Saving Time following Mexico's elimination of the practice under a 2022 law. This means Mexico City stays at UTC-6 year-round while US and Canadian Central Time cities shift to UTC-5 each summer.
Which countries use Indochina Time (ICT)?
Indochina Time is the official standard time for four Southeast Asian nations: Thailand, Vietnam, Cambodia, and Laos. All four countries observe a single, unified UTC+07:00 offset with no regional subdivisions.
Do Thailand and Vietnam observe Daylight Saving Time?
Neither Thailand nor Vietnam observes Daylight Saving Time, and neither do Cambodia or Laos. ICT remains fixed at UTC+07:00 throughout the entire year, with no seasonal clock changes.