EDT to Chicago
-1hEDT
EDTSOURCEChicago
CDTGreen rows indicate typical business hours (9 AM - 5 PM)
EDT and CDT on the World Map
The map below highlights the EDT (Eastern Daylight Time) and CDT (Central Standard Time) timezone regions across the globe.
EDT – Eastern Daylight Time
UTC-04:00Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.
- •EDT is observed from the second Sunday of March to the first Sunday of November.
- •During EDT, the US East Coast is only 4 hours behind London (instead of 5).
- •Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.
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.
EDT to Chicago Time Difference – Complete Guide
EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. Chicago runs on Central Daylight Time (CDT) at UTC-05:00, also currently on daylight saving time. That puts EDT 1 hour behind Chicago — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in EDT it is 8:00 AM in Chicago. Midnight in EDT is 11:00 PM in Chicago.Chicago observes daylight saving time while EDT does not, so the gap narrows or widens by an hour part of the year.
EDT to Chicago time conversion table
| EDT (EDT) | Chicago (CDT) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert EDT to Chicago time
- Scheduling a call from EDT to Chicago: a 10:00 AM start in EDT lands at 9:00 AM in Chicago, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both EDT and Chicago are inside the 9-to-5 working day between 10:00 AM and 5:00 PM EDT time (9:00 AM–4:00 PM CDT). That is roughly 7 hours of usable overlap.
- Booking travel or deliveries: tracking Chicago local time against EDT keeps pickup windows and arrival estimates honest across the -1h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM EDT" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM EDT as the recurring meeting window if you work primarily from EDT 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 EDT (Eastern Daylight Time)
Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.
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 EDT and Chicago
Both EDT and Chicago sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM EDT, which is 9:00 AM–4:00 PM CDT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
EDT and Chicago share 7 hours of working-hours overlap (10:00 AM–5:00 PM EDT), so scheduling a live meeting is straightforward.
EDT is 1 hour behind Chicago (EDT UTC-04:00 → CDT UTC-05:00). The shared working window is 10:00 AM–5:00 PM EDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
EDT
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
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 EDT and Chicago?
EDT (EDT, UTC-04:00) is 1 hour behind Chicago (CDT, UTC-05:00). The gap is currently -1h.
How do I convert EDT time to Chicago time?
Add -1h to EDT local time. For example, 9:00 AM in EDT is 8:00 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 -1h offset from EDT.
What is the best time to call Chicago from EDT?
Call between 10:00 AM and 5:00 PM EDT — that maps to 9:00 AM–4:00 PM CDT and keeps both parties inside the working day.
Which is behind, EDT or Chicago?
EDT is 1 hour behind Chicago. When it is 12:00 PM in EDT it is 11:00 AM in Chicago.
Do EDT and Chicago use different time zones?
EDT uses EDT at UTC-04:00, while Chicago (USA) uses CDT at UTC-05:00. The IANA identifiers are America/New_York and America/Chicago.
Does daylight saving time affect the EDT–Chicago difference?
Yes at the moment: Chicago is on daylight saving time and EDT is not, so the -1h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share EDT's time zone?
EDT also covers New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.
Which countries use EDT, EDT's zone?
EDT is used in United States (Eastern), Canada (Ontario, Quebec), Bahamas, Haiti, Turks and Caicos.
Is there a day difference between EDT and Chicago?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between EDT and Chicago?
Chicago is -1h from EDT.
What timezone is EDT in?
EDT 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 EDT (Eastern Daylight Time)?
EDT is used in United States (Eastern), Canada (Ontario, Quebec), Bahamas, Haiti, Turks and Caicos.
Does EDT observe daylight saving time?
Yes, EDT switches to EST during summer months.
What are some interesting facts about EDT?
EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).
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 EDT, what time is it in Chicago?
When it is 12:00 AM (midnight) in EDT (EDT), it is -1h later in Chicago (CST).
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