Johannesburg to Great Falls time converter

Great Falls is 8 hours behind Johannesburg. When it is 9:00 AM in Johannesburg, it is 1:00 AM in Great Falls.

Johannesburg SAST

Wednesday, October 21, 2026

Great Falls MDT

Wednesday, October 21, 2026

Johannesburg
South Africa
Wed, Oct 21
SASTUTC+2
Great Falls
Montana, United States
Wed, Oct 21
MDTUTC-6-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Johannesburg to Great Falls conversion table

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

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

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Johannesburg (9:00 AM – 10:00 AM in Great Falls).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Oct 21, 2027: -8h

Distance

Johannesburg and Great Falls are 15,763 km (9,795 miles) apart in a straight line.

More conversions

Great Falls 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 Great FallsLondon to Great FallsLos Angeles to Great FallsChicago to Great FallsToronto to Great FallsSão Paulo to Great FallsParis to Great FallsBerlin to Great FallsMoscow to Great FallsDubai to Great FallsNew Delhi to Great FallsBangkok to Great Falls

Questions and answers

What is the time difference between Johannesburg and Great Falls?

Great Falls is 8 hours behind Johannesburg.

What time is it in Great Falls when it is 9 AM in Johannesburg?

When it is 9:00 AM in Johannesburg, it is 1:00 AM in Great Falls.

When is the best time to call Great Falls from Johannesburg?

Both sides are at work from 5:00 PM – 6:00 PM in Johannesburg (9:00 AM – 10:00 AM in Great Falls).

Does the time difference between Johannesburg and Great Falls change?

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