Johannesburg to Upper Alton time converter

Upper Alton is 7 hours behind Johannesburg. When it is 9:00 AM in Johannesburg, it is 2:00 AM in Upper Alton.

Johannesburg SAST

Wednesday, October 21, 2026

Upper Alton CDT

Wednesday, October 21, 2026

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

Johannesburg to Upper Alton conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Johannesburg and Upper Alton 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

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

More conversions

Upper Alton to JohannesburgJohannesburg to New YorkJohannesburg to LondonJohannesburg to Los AngelesJohannesburg to ChicagoJohannesburg to TorontoJohannesburg to São PauloJohannesburg to ParisJohannesburg to BerlinJohannesburg to MoscowJohannesburg to DubaiJohannesburg to New DelhiJohannesburg to Bangkok
New York to Upper AltonLondon to Upper AltonLos Angeles to Upper AltonChicago to Upper AltonToronto to Upper AltonSão Paulo to Upper AltonParis to Upper AltonBerlin to Upper AltonMoscow to Upper AltonDubai to Upper AltonNew Delhi to Upper AltonBangkok to Upper Alton

Questions and answers

What is the time difference between Johannesburg and Upper Alton?

Upper Alton is 7 hours behind Johannesburg.

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

When it is 9:00 AM in Johannesburg, it is 2:00 AM in Upper Alton.

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

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

Does the time difference between Johannesburg and Upper Alton change?

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