Nigeria to Chicago time conversion
Chicago is 6 hours behind Nigeria. After the next clock change (): Chicago is 7 hours behind Nigeria.
Time difference with your location
Nigeria is 1 hour ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in Nigeria to convert it to Chicago on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · Nigeria → Chicago
This table converts each hour in Nigeria to Chicago on 2026-10-21.
- Working hours
- Outside working hours
- Night hours
| Nigeria | Chicago | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 18:006:00 PM -1 day | |
| 01:001:00 AM | 19:007:00 PM -1 day | |
| 02:002:00 AM | 20:008:00 PM -1 day | |
| 03:003:00 AM | 21:009:00 PM -1 day | |
| 04:004:00 AM | 22:0010:00 PM -1 day | |
| 05:005:00 AM | 23:0011:00 PM -1 day | |
| 06:006:00 AM | 00:0012:00 AM | |
| 07:007:00 AM | 01:001:00 AM | |
| 08:008:00 AM | 02:002:00 AM | |
| 09:009:00 AM | 03:003:00 AM | |
| 10:0010:00 AM | 04:004:00 AM | |
| 11:0011:00 AM | 05:005:00 AM | |
| 12:0012:00 PM | 06:006:00 AM | |
| 13:001:00 PM | 07:007:00 AM | |
| 14:002:00 PM | 08:008:00 AM | ✓ |
| 15:003:00 PM | 09:009:00 AM | ✓ |
| 16:004:00 PM | 10:0010:00 AM | ✓ |
| 17:005:00 PM | 11:0011:00 AM | ✓ |
| 18:006:00 PM | 12:0012:00 PM | |
| 19:007:00 PM | 13:001:00 PM | |
| 20:008:00 PM | 14:002:00 PM | |
| 21:009:00 PM | 15:003:00 PM | |
| 22:0010:00 PM | 16:004:00 PM | |
| 23:0011:00 PM | 17:005:00 PM |
Quick conversion examples
These examples convert local times in Nigeria to Chicago on 2026-10-21.
Conversion formula: Chicago = Nigeria − 6h · Nigeria − 7h.
| Nigeria | Chicago |
|---|---|
| 6:00 AM Nigeria | = 12:00 AM Chicago |
| 7:00 AM Nigeria | = 1:00 AM Chicago |
| 8:00 AM Nigeria | = 2:00 AM Chicago |
| 9:00 AM Nigeria | = 3:00 AM Chicago |
| 10:00 AM Nigeria | = 4:00 AM Chicago |
| 12:00 PM Nigeria | = 6:00 AM Chicago |
| 3:00 PM Nigeria | = 9:00 AM Chicago |
| 5:00 PM Nigeria | = 11:00 AM Chicago |
| 6:00 PM Nigeria | = 12:00 PM Chicago |
| 8:00 PM Nigeria | = 2:00 PM Chicago |
Overlapping meeting hours
The 08:00–18:00 working day in Nigeria and Chicago overlaps for 4 hours on 2026-10-21.
- Shared working hours
- 14:00–18:00 Nigeria · 08:00–12:00 Chicago
Clock changes on both sides, 2026–2028
Nigeria and Chicago have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | Nigeria | Chicago |
|---|---|---|
| 2026 | No clock changes; UTC+1 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2027 | No clock changes; UTC+1 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2028 | No clock changes; UTC+1 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
At the start of 2026, Chicago is 7 hours behind Nigeria. The difference changes during the following periods.
- From 2026-03-08 09:00 Nigeria until 2026-11-01 08:00 Nigeria, Chicago is 6 hours behind Nigeria.
- From 2027-03-14 09:00 Nigeria until 2027-11-07 08:00 Nigeria, Chicago is 6 hours behind Nigeria.
- From 2028-03-12 09:00 Nigeria until 2028-11-05 08:00 Nigeria, Chicago is 6 hours behind Nigeria.
Frequently asked questions
What time is 9 AM Nigeria in Chicago?
9:00 AM Nigeria = 3:00 AM Chicago, using UTC+1 and UTC-5. Choose a date above for the seasonal local time.
Does the time difference between Nigeria and Chicago change during the year?
Yes. During 2026–2028: Chicago is 7 hours behind Nigeria; Chicago is 6 hours behind Nigeria. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in Chicago?
Read the Chicago clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between Nigeria and Chicago?
The shared 08:00–18:00 working window is 14:00–18:00 Nigeria / 08:00–12:00 Chicago, a total of 4 hours.
What is the time difference between Nigeria and Chicago now?
Right now, Chicago is 6 hours behind Nigeria. Conversion formula: Chicago = Nigeria − 6h · Nigeria − 7h.