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Time difference between Chicago and Johannesburg

Johannesburg is 7 hours ahead of Chicago. When it is noon in Chicago, it is 7:00 PM in Johannesburg. The same gap applies whether you look at it as Chicago to Johannesburg or Johannesburg to Chicago.

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Johannesburg is 7 hours ahead of Chicago, usually.

Difference right now7 hours (usual)
Upcoming changesCalculating…

How the gap works

The gap is not constant. Because Chicago changes its clocks for daylight saving time and Johannesburg does not, the difference becomes 8 hours for part of the year. The live section above shows the exact gap right now and when it next changes.

  • Chicago (United States) is in the America/Chicago time zone: UTC-6 (CST) or UTC-5 (CDT).
  • Johannesburg (South Africa) is in the Africa/Johannesburg time zone: UTC+2 (SAST).

Convert Chicago time to Johannesburg time

ChicagoJohannesburg
6:00 AM1:00 PM
9:00 AM4:00 PM
12:00 PM7:00 PM
3:00 PM10:00 PM
6:00 PM1:00 AM (next day)
9:00 PM4:00 AM (next day)

Based on the usual 7 hours gap.

Best time to call or meet

During standard 9-to-5 working hours, Chicago and Johannesburg overlap for 1 hour, from 9:00 AM to 10:00 AM in Chicago (4:00 PM to 5:00 PM in Johannesburg). If you stretch the day to 7 AM to 10 PM in both cities, the shared window is 7:00 AM to 3:00 PM in Chicago (2:00 PM to 10:00 PM in Johannesburg).

The best time to call is around 9:30 AM in Chicago (4:30 PM in Johannesburg). That time falls inside standard working hours in both cities. These times use the usual gap; for a few weeks each year, shift them by the difference noted above.

Frequently asked questions

What is the time difference between Chicago and Johannesburg?

Johannesburg is 7 hours ahead of Chicago, usually. It becomes 8 hours for part of the year.

Is Johannesburg ahead of or behind Chicago?

Johannesburg is 7 hours ahead of Chicago.

Does the time difference between Chicago and Johannesburg change during the year?

Yes. The usual gap is 7 hours, but because Chicago changes its clocks for daylight saving time and Johannesburg does not, it becomes 8 hours for part of the year. The live section above lists the next changes.

What is the best time to schedule a call between Chicago and Johannesburg?

The best time to call is around 9:30 AM in Chicago (4:30 PM in Johannesburg). That time falls inside standard working hours in both cities. During standard 9-to-5 working hours, Chicago and Johannesburg overlap for 1 hour, from 9:00 AM to 10:00 AM in Chicago (4:00 PM to 5:00 PM in Johannesburg).