Johannesburg to O'Fallon time converter

O'Fallon is 7 hours behind Johannesburg. When it is 9:00 AM in Johannesburg, it is 2:00 AM in O'Fallon.

Johannesburg SAST

Wednesday, October 21, 2026

O'Fallon CDT

Wednesday, October 21, 2026

South Africa
Wed, Oct 21
SASTUTC+2
Illinois, United States
Wed, Oct 21
CDTUTC-5-7h
Finding your time zone…

10:57 PM in Johannesburg, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Johannesburg to O'Fallon conversion table

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

JohannesburgO'Fallon
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 O'Fallon).

Daylight saving time and the difference

The difference changes during the year because Johannesburg and O'Fallon 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 O'Fallon are 14,141 km (8,787 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Johannesburg and O'Fallon?

O'Fallon is 7 hours behind Johannesburg.

What time is it in O'Fallon when it is 9 AM in Johannesburg?

When it is 9:00 AM in Johannesburg, it is 2:00 AM in O'Fallon.

When is the best time to call O'Fallon from Johannesburg?

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

Does the time difference between Johannesburg and O'Fallon change?

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