Johannesburg to Oak Ridge time converter

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

Johannesburg SAST

Wednesday, October 21, 2026

Oak Ridge EDT

Wednesday, October 21, 2026

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

Johannesburg to Oak Ridge conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Johannesburg and Oak Ridge 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

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

More conversions

Oak Ridge 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 Oak RidgeLondon to Oak RidgeLos Angeles to Oak RidgeChicago to Oak RidgeToronto to Oak RidgeSão Paulo to Oak RidgeParis to Oak RidgeBerlin to Oak RidgeMoscow to Oak RidgeDubai to Oak RidgeNew Delhi to Oak RidgeBangkok to Oak Ridge

Questions and answers

What is the time difference between Johannesburg and Oak Ridge?

Oak Ridge is 6 hours behind Johannesburg.

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

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

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

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

Does the time difference between Johannesburg and Oak Ridge change?

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