Oak Ridge to Johannesburg time converter

Johannesburg is 6 hours ahead of Oak Ridge. When it is 9:00 AM in Oak Ridge, it is 3:00 PM in Johannesburg.

Oak Ridge EDT

Wednesday, October 21, 2026

Johannesburg SAST

Wednesday, October 21, 2026

Oak Ridge
Tennessee, United States
Wed, Oct 21
EDTUTC-4
Johannesburg
South Africa
Wed, Oct 21
SASTUTC+2+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Oak Ridge to Johannesburg conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Oak Ridge (3:00 PM – 6:00 PM in Johannesburg).

Daylight saving time and the difference

The difference changes during the year because Oak Ridge and Johannesburg switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +6h
  • Nov 1, 2026 – Mar 14, 2027: +7h
  • Mar 14, 2027 – Oct 21, 2027: +6h

Distance

Oak Ridge and Johannesburg are 13,605 km (8,454 miles) apart in a straight line.

More conversions

Johannesburg to Oak RidgeOak Ridge to New YorkOak Ridge to LondonOak Ridge to Los AngelesOak Ridge to ChicagoOak Ridge to TorontoOak Ridge to São PauloOak Ridge to ParisOak Ridge to BerlinOak Ridge to MoscowOak Ridge to DubaiOak Ridge to New DelhiOak Ridge 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 Oak Ridge and Johannesburg?

Johannesburg is 6 hours ahead of Oak Ridge.

What time is it in Johannesburg when it is 9 AM in Oak Ridge?

When it is 9:00 AM in Oak Ridge, it is 3:00 PM in Johannesburg.

When is the best time to call Johannesburg from Oak Ridge?

Both sides are at work from 9:00 AM – 12:00 PM in Oak Ridge (3:00 PM – 6:00 PM in Johannesburg).

Does the time difference between Oak Ridge 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.