Инструменты Intosoft

Chicago to Nigeria

+6h

Chicago

CDTSOURCE
USA · UTC-05:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Nigeria

WAT
UTC+01:00
HH06
:
MM00
  
18:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Chicago
Nigeria
12:00 AM
6:00 AM
2:00 AM
8:00 AM
4:00 AM
10:00 AM
6:00 AM
12:00 PM
8:00 AM
2:00 PM
10:00 AM
4:00 PM
12:00 PM
6:00 PM
2:00 PM
8:00 PM
4:00 PM
10:00 PM
6:00 PM
12:00 AM+1
8:00 PM
2:00 AM+1
10:00 PM
4:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

CDT and WAT on the World Map

The map below highlights the CDT (Central Standard Time) and WAT (West Africa Time) timezone regions across the globe.

CDTWATChicagoHoustonDallasSan AntonioLagosAbujaDoualaYaoundé
CDT Zone
→
WAT Zone

Explore all world timezones interactively →

CST – Central Standard Time

UTC-06:00

Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.

Countries in CST
United States (Central)Canada (Manitoba, Saskatchewan)MexicoGuatemalaHondurasEl SalvadorCosta RicaNicaraguaBelize
Major Cities in CST
ChicagoHoustonDallasSan AntonioMexico CityAustinWinnipegMemphisMilwaukeeNashvilleKansas CityNew OrleansMinneapolisGuatemala City
Key Facts about CST
  • •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.
Daylight Saving:Yes – switches to CDT
Learn more about CST on Wikipedia

WAT – West Africa Time

UTC+01:00

West Africa Time (WAT) is the time zone for West and Central Africa, 1 hour ahead of UTC.

Countries in WAT
NigeriaCameroonChadCongoAngolaNigerGabonEquatorial Guinea
Major Cities in WAT
LagosAbujaDoualaYaoundéLuandaKinshasaBrazzaville
Key Facts about WAT
  • •Lagos, Nigeria is the most populous city in Africa.
  • •WAT is the same offset as CET (UTC+01:00).
  • •Nigeria does not observe daylight saving time.
Daylight Saving:No – UTC+01:00 year-round
Learn more about WAT on Wikipedia

About Chicago

Wikipedia

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.

Population:2.7 million
Metro:9.5 million
Business Hours:8:00 AM - 5:00 PM CST
Currency:USD ($)
Stock Exchange:CME (Chicago Mercantile Exchange), CBOE
Key Landmarks
Willis TowerMillennium ParkCloud Gate (The Bean)Navy PierArt Institute of Chicago
Did You Know?

The Chicago Board of Trade is the world's oldest futures and options exchange.

Learn more about CDT timezone →

Comparing Time Zones: Chicago and Nigeria

Chicago runs on Central Daylight Time (CDT) at UTC-05:00, currently observing daylight saving time. Nigeria runs on West Africa Time (WAT) at UTC+01:00. That puts Chicago 6 hours ahead of Nigeria — a difference of +6h at the current offsets.

In practice, when it is 9:00 AM in Chicago it is 3:00 PM in Nigeria. Midnight in Chicago is 6:00 AM in Nigeria.Chicago observes daylight saving time while Nigeria does not, so the gap narrows or widens by an hour part of the year.

Chicago to Nigeria time conversion table

Chicago (CDT)Nigeria (WAT)Day
12:00 AM6:00 AMsame day
6:00 AM12:00 PMsame day
7:00 AM1:00 PMsame day
8:00 AM2:00 PMsame day
9:00 AM3:00 PMsame day
12:00 PM6:00 PMsame day
3:00 PM9:00 PMsame day
5:00 PM11:00 PMsame day
6:00 PM12:00 AMnext day
9:00 PM3:00 AMnext day

Why people convert Chicago to Nigeria time

  • Scheduling a call from Chicago to Nigeria: a 10:00 AM start in Chicago lands at 4:00 PM in Nigeria, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Chicago and Nigeria are inside the 9-to-5 working day between 9:00 AM and 11:00 AM CDT time (3:00 PM–5:00 PM WAT). That is roughly 2 hours of usable overlap.
  • Booking travel or deliveries: tracking Nigeria local time against Chicago keeps pickup windows and arrival estimates honest across the +6h offset.
  • 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 Nigeria 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.

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 WAT (West Africa Time)

West Africa Time (WAT) is used across much of West and Central Africa, including Nigeria, the most populous country in Africa. WAT does not observe daylight saving time and shares the same offset as Central European Time (CET).

Best time to call between Chicago and Nigeria

Both Chicago and Nigeria 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 WAT. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Chicago and Nigeria 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 Nigeria (CDT UTC-05:00 → WAT 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

Nigeria

Does not observe DST

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳
History of Timekeeping
From sundials to atomic clocks - 5000 years of measuring time
🌍
How Time Zones Work
UTC, offsets, and why zones don't follow straight lines
☀️
Daylight Saving Time
DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Chicago and Nigeria?

Chicago (CDT, UTC-05:00) is 6 hours ahead of Nigeria (WAT, UTC+01:00). The gap is currently +6h.

How do I convert Chicago time to Nigeria time?

Add +6h to Chicago local time. For example, 9:00 AM in Chicago is 3:00 PM in Nigeria.

What time is it in Nigeria right now?

Nigeria uses WAT 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 Nigeria from Chicago?

Call between 9:00 AM and 11:00 AM CDT — that maps to 3:00 PM–5:00 PM WAT and keeps both parties inside the working day.

Which is ahead, Chicago or Nigeria?

Chicago is 6 hours ahead of Nigeria. When it is 12:00 PM in Chicago it is 6:00 PM in Nigeria.

Do Chicago and Nigeria use different time zones?

Chicago (USA) uses CDT at UTC-05:00, while Nigeria (Nigeria) uses WAT at UTC+01:00. The IANA identifiers are America/Chicago and Africa/Lagos.

Does daylight saving time affect the Chicago–Nigeria difference?

Yes at the moment: Chicago is on daylight saving time and Nigeria is not, so the +6h gap shifts by an hour when exactly one of them changes clocks.

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 Nigeria?

Not normally. The +6h gap only pushes the date over for late-evening times.

What is the time difference between Chicago and Nigeria?

Nigeria 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 Nigeria in?

Nigeria operates on its local timezone.

What are the business hours in Chicago?

Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.

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 WAT timezone?

Major cities in the WAT timezone include Lagos, Abuja, Douala, Yaoundé, Luanda, Kinshasa, Brazzaville.

What is the UTC offset for WAT?

West Africa Time (WAT) is at UTC+01:00.

What should I know about the WAT timezone?

Lagos, Nigeria is the most populous city in Africa. WAT is the same offset as CET (UTC+01:00).

When is it midnight in Chicago, what time is it in Nigeria?

When it is 12:00 AM (midnight) in Chicago (CST), it is +6h later in Nigeria (WAT).

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