Chicago to Lisbon
+6hChicago
CDTSOURCELisbon
WESTGreen rows indicate typical business hours (9 AM - 5 PM)
CDT and WEST on the World Map
The map below highlights the CDT (Central Standard Time) and WEST (Western European Time) timezone regions across the globe.
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.
WET – Western European Time
UTC+00:00Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.
- •Portugal is the only mainland European country in the WET time zone.
- •The Canary Islands are on WET despite being part of Spain (which uses CET).
- •WET is identical to GMT and UTC+00:00.
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.
About Lisbon
WikipediaLisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
Lisbon has 300 days of sunshine per year and is a major startup hub in Europe.
Everything You Need to Know About Chicago and Lisbon Time
Chicago runs on Central Daylight Time (CDT) at UTC-05:00, currently observing daylight saving time. Lisbon runs on Western European Summer Time (WEST) at UTC+01:00, also currently on daylight saving time. That puts Chicago 6 hours ahead of Lisbon — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in Chicago it is 3:00 PM in Lisbon. Midnight in Chicago is 6:00 AM in Lisbon. Because both zones shift for daylight saving, the gap between them only changes during the few weeks each year when their transition dates differ.
Chicago to Lisbon time conversion table
| Chicago (CDT) | Lisbon (WEST) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert Chicago to Lisbon time
- Scheduling a call from Chicago to Lisbon: a 10:00 AM start in Chicago lands at 4:00 PM in Lisbon, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Chicago and Lisbon are inside the 9-to-5 working day between 9:00 AM and 11:00 AM CDT time (3:00 PM–5:00 PM WEST). That is roughly 2 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Chicago is 2:00 AM in Lisbon makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM CDT" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM CDT as the recurring meeting window if you work primarily from Chicago and need Lisbon colleagues present.
- Chicago: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +6h gap.
- Lisbon: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 WET (Western European Time)
Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).
Best time to call between Chicago and Lisbon
Both Chicago and Lisbon sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM CDT, which is 3:00 PM–5:00 PM WEST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Chicago and Lisbon overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Chicago is 6 hours ahead of Lisbon (CDT UTC-05:00 → WEST UTC+01:00). The shared working window is 9:00 AM–11:00 AM CDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Chicago
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
Lisbon
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 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 Chicago and Lisbon?
Chicago (CDT, UTC-05:00) is 6 hours ahead of Lisbon (WEST, UTC+01:00). The gap is currently +6h.
How do I convert Chicago time to Lisbon time?
Add +6h to Chicago local time. For example, 9:00 AM in Chicago is 3:00 PM in Lisbon.
What time is it in Lisbon right now?
Lisbon uses WEST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +6h offset from Chicago.
What is the best time to call Lisbon from Chicago?
Call between 9:00 AM and 11:00 AM CDT — that maps to 3:00 PM–5:00 PM WEST and keeps both parties inside the working day.
Which is ahead, Chicago or Lisbon?
Chicago is 6 hours ahead of Lisbon. When it is 12:00 PM in Chicago it is 6:00 PM in Lisbon.
Do Chicago and Lisbon use different time zones?
Chicago (USA) uses CDT at UTC-05:00, while Lisbon (Portugal) uses WEST at UTC+01:00. The IANA identifiers are America/Chicago and Europe/Lisbon.
Does daylight saving time affect the Chicago–Lisbon difference?
Both zones observe DST, so the difference stays at +6h for most of the year and only changes during the weeks when their transition dates do not line up.
Which other cities share Chicago's time zone?
CDT also covers Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis and 6 more.
Which countries use CDT, Chicago's zone?
CDT 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 Chicago and Lisbon?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between Chicago and Lisbon?
Lisbon is +6h from Chicago.
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 timezone is Lisbon in?
Lisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
What are the business hours in Chicago?
Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.
What are the business hours in Lisbon?
Standard business hours in Lisbon are 9:00 AM - 6:00 PM WET.
What is the best time to schedule a call between Chicago and Lisbon?
The best overlap for a call is when both cities are in business hours. Chicago works 8:00 AM - 5:00 PM CST and Lisbon works 9:00 AM - 6:00 PM WET (+6h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Chicago and Lisbon?
Chicago uses USD ($) while Lisbon uses EUR (€). Check current exchange rates when planning travel or business between these cities.
How do Chicago and Lisbon compare in size?
Chicago has a population of approximately 2.7 million (metro: 9.5 million), while Lisbon has approximately 545,000 (metro: 2.9 million).
What are the major landmarks in Chicago and Lisbon?
Chicago is known for Willis Tower, Millennium Park, Cloud Gate (The Bean). Lisbon is famous for Belém Tower, Jerónimos Monastery, São Jorge Castle.
Do Chicago and Lisbon have stock exchanges?
Yes. Chicago has the CME (Chicago Mercantile Exchange), CBOE and Lisbon has the Euronext Lisbon. The +6h time difference affects trading hour overlaps between these exchanges.
Which countries use CST (Central Standard Time)?
CST is used in United States (Central), Canada (Manitoba, Saskatchewan), Mexico, Guatemala, Honduras, El Salvador, and 3 more countries.
Does CST observe daylight saving time?
Yes, CST switches to CDT during summer months.
What are some interesting facts about CST?
CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.
Which cities are in the WET timezone?
Major cities in the WET timezone include Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
What is the UTC offset for WET?
Western European Time (WET) is at UTC+00:00. During daylight saving time, it shifts to WEST.
What should I know about the WET timezone?
Portugal is the only mainland European country in the WET time zone. The Canary Islands are on WET despite being part of Spain (which uses CET).
When is it midnight in Chicago, what time is it in Lisbon?
When it is 12:00 AM (midnight) in Chicago (CST), it is +6h later in Lisbon (WET).
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