Johannesburg to Gretna time converter

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

Johannesburg SAST

Thursday, October 22, 2026

Gretna CDT

Wednesday, October 21, 2026

Johannesburg
South Africa
Thu, Oct 22
SASTUTC+2
Gretna
Louisiana, United States
Wed, Oct 21
CDTUTC-5-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Johannesburg to Gretna conversion table

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

JohannesburgGretna
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 Gretna).

Daylight saving time and the difference

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

  • Oct 22, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Oct 22, 2027: -7h

Distance

Johannesburg and Gretna are 14,000 km (8,699 miles) apart in a straight line.

More conversions

Gretna 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 GretnaLondon to GretnaLos Angeles to GretnaChicago to GretnaToronto to GretnaSão Paulo to GretnaParis to GretnaBerlin to GretnaMoscow to GretnaDubai to GretnaNew Delhi to GretnaBangkok to Gretna

Questions and answers

What is the time difference between Johannesburg and Gretna?

Gretna is 7 hours behind Johannesburg.

What time is it in Gretna when it is 9 AM in Johannesburg?

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

When is the best time to call Gretna from Johannesburg?

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

Does the time difference between Johannesburg and Gretna change?

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