Upper Alton to Johannesburg time converter

Johannesburg is 7 hours ahead of Upper Alton. When it is 9:00 AM in Upper Alton, it is 4:00 PM in Johannesburg.

Upper Alton CDT

Wednesday, October 21, 2026

Johannesburg SAST

Wednesday, October 21, 2026

Upper Alton
Illinois, United States
Wed, Oct 21
CDTUTC-5
Johannesburg
South Africa
Wed, Oct 21
SASTUTC+2+7h
Finding your time zone…
Shared working hours (9:00–18:00)

Upper Alton to Johannesburg conversion table

Every hour of today in Upper Alton and the matching time in Johannesburg. Light rows are typical working hours (9:00–18:00).

Upper AltonJohannesburg
12:00 AM7:00 AM
1:00 AM8:00 AM
2:00 AM9:00 AM
3:00 AM10:00 AM
4:00 AM11:00 AM
5:00 AM12:00 PM
6:00 AM1:00 PM
7:00 AM2:00 PM
8:00 AM3:00 PM
9:00 AM4:00 PM
10:00 AM5:00 PM
11:00 AM6:00 PM
12:00 PM7:00 PM
1:00 PM8:00 PM
2:00 PM9:00 PM
3:00 PM10:00 PM
4:00 PM11:00 PM
5:00 PM12:00 AM+1 day
6:00 PM1:00 AM+1 day
7:00 PM2:00 AM+1 day
8:00 PM3:00 AM+1 day
9:00 PM4:00 AM+1 day
10:00 PM5:00 AM+1 day
11:00 PM6:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 11:00 AM in Upper Alton (4:00 PM – 6:00 PM in Johannesburg).

Daylight saving time and the difference

The difference changes during the year because Upper Alton and Johannesburg switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Oct 21, 2027: +7h

Distance

Upper Alton and Johannesburg are 14,165 km (8,802 miles) apart in a straight line.

More conversions

Johannesburg to Upper AltonUpper Alton to New YorkUpper Alton to LondonUpper Alton to Los AngelesUpper Alton to ChicagoUpper Alton to TorontoUpper Alton to São PauloUpper Alton to ParisUpper Alton to BerlinUpper Alton to MoscowUpper Alton to DubaiUpper Alton to New DelhiUpper Alton to Bangkok
New York to JohannesburgLondon to JohannesburgLos Angeles to JohannesburgChicago to JohannesburgToronto to JohannesburgSão Paulo to JohannesburgParis to JohannesburgBerlin to JohannesburgMoscow to JohannesburgDubai to JohannesburgNew Delhi to JohannesburgBangkok to Johannesburg

Questions and answers

What is the time difference between Upper Alton and Johannesburg?

Johannesburg is 7 hours ahead of Upper Alton.

What time is it in Johannesburg when it is 9 AM in Upper Alton?

When it is 9:00 AM in Upper Alton, it is 4:00 PM in Johannesburg.

When is the best time to call Johannesburg from Upper Alton?

Both sides are at work from 9:00 AM – 11:00 AM in Upper Alton (4:00 PM – 6:00 PM in Johannesburg).

Does the time difference between Upper Alton and Johannesburg change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.