COT to Chicago
+0hCOT
COTSOURCEChicago
CDTGreen rows indicate typical business hours (9 AM - 5 PM)
COT and CDT on the World Map
The map below highlights the COT (Colombia Time) and CDT (Central Standard Time) timezone regions across the globe.
COT – Colombia Time
UTC-05:00Colombia Time (COT) is the standard time for Colombia, 5 hours behind UTC.
- •Colombia does not observe daylight saving time.
- •COT is the same offset as EST (UTC-05:00).
- •Bogotá sits at 2,640m elevation, making it one of the highest capital cities.
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 Chicago
WikipediaChicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
The Chicago Board of Trade is the world's oldest futures and options exchange.
COT vs Chicago: Offsets, DST and Best Call Times
COT runs on Colombia Time (COT) at UTC-05:00. Chicago runs on Central Daylight Time (CDT) at UTC-05:00, also currently on daylight saving time. That puts COT no time difference Chicago — a difference of +0h at the current offsets.
In practice, when it is 9:00 AM in COT it is 9:00 AM in Chicago. Midnight in COT is 12:00 AM in Chicago.Chicago observes daylight saving time while COT does not, so the gap narrows or widens by an hour part of the year.
COT to Chicago time conversion table
| COT (COT) | Chicago (CDT) | Day |
|---|---|---|
| 12:00 AM | 12:00 AM | same day |
| 6:00 AM | 6:00 AM | same day |
| 7:00 AM | 7:00 AM | same day |
| 8:00 AM | 8:00 AM | same day |
| 9:00 AM | 9:00 AM | same day |
| 12:00 PM | 12:00 PM | same day |
| 3:00 PM | 3:00 PM | same day |
| 5:00 PM | 5:00 PM | same day |
| 6:00 PM | 6:00 PM | same day |
| 9:00 PM | 9:00 PM | same day |
Why people convert COT to Chicago time
- Scheduling a call from COT to Chicago: a 10:00 AM start in COT lands at 10:00 AM in Chicago, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both COT and Chicago are inside the 9-to-5 working day between 9:00 AM and 5:00 PM COT time (9:00 AM–5:00 PM CDT). That is roughly 8 hours of usable overlap.
- Booking travel or deliveries: tracking Chicago local time against COT keeps pickup windows and arrival estimates honest across the +0h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM COT" is unambiguous; "3 PM" across a +0h gap is not.
- Block 9:00 AM–5:00 PM COT as the recurring meeting window if you work primarily from COT and need Chicago colleagues present.
- Chicago: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
About COT (Colombia Time)
Colombia Time (COT) is used throughout Colombia. Colombia does not observe daylight saving time. COT shares the same offset as EST (UTC-05:00). Bogotá, the capital, is one of the largest cities in South America.
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 COT and Chicago
Both COT and Chicago sit inside the 9 AM – 5 PM working day between 9:00 AM–5:00 PM COT, which is 9:00 AM–5:00 PM CDT. That gives roughly 8 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
COT and Chicago share 8 hours of working-hours overlap (9:00 AM–5:00 PM COT), so scheduling a live meeting is straightforward.
COT is no time difference Chicago (COT UTC-05:00 → CDT UTC-05:00). The shared working window is 9:00 AM–5:00 PM COT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
COT
Does not observe DST
Chicago
☀ 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 COT and Chicago?
COT (COT, UTC-05:00) is no time difference Chicago (CDT, UTC-05:00). The gap is currently +0h.
How do I convert COT time to Chicago time?
Add +0h to COT local time. For example, 9:00 AM in COT is 9:00 AM in Chicago.
What time is it in Chicago right now?
Chicago 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 +0h offset from COT.
What is the best time to call Chicago from COT?
Call between 9:00 AM and 5:00 PM COT — that maps to 9:00 AM–5:00 PM CDT and keeps both parties inside the working day.
Which is ahead, COT or Chicago?
COT and Chicago are currently on the same clock.
Do COT and Chicago use different time zones?
COT uses COT at UTC-05:00, while Chicago (USA) uses CDT at UTC-05:00. The IANA identifiers are America/Bogota and America/Chicago.
Does daylight saving time affect the COT–Chicago difference?
Yes at the moment: Chicago is on daylight saving time and COT is not, so the +0h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share COT's time zone?
COT also covers Bogotá, Medellín, Cali, Barranquilla, Cartagena.
Which countries use COT, COT's zone?
COT is used in Colombia.
What is the time difference between COT and Chicago?
Chicago is +0h from COT.
What timezone is COT in?
COT operates on its local timezone.
What timezone is Chicago in?
Chicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
What are the business hours in Chicago?
Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.
Which countries use COT (Colombia Time)?
COT is used in Colombia.
Does COT observe daylight saving time?
No, COT does not observe daylight saving time and remains at UTC-05:00 year-round.
What are some interesting facts about COT?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
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 COT, what time is it in Chicago?
When it is 12:00 AM (midnight) in COT (COT), it is +0h later in Chicago (CST).
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