Johannesburg to Williamstown time converter

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

Johannesburg SAST

Wednesday, October 21, 2026

Williamstown EDT

Wednesday, October 21, 2026

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

Johannesburg to Williamstown conversion table

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

JohannesburgWilliamstown
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 Williamstown).

Daylight saving time and the difference

The difference changes during the year because Johannesburg and Williamstown 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 Williamstown are 12,894 km (8,012 miles) apart in a straight line.

More conversions

Williamstown 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 WilliamstownLondon to WilliamstownLos Angeles to WilliamstownChicago to WilliamstownToronto to WilliamstownSão Paulo to WilliamstownParis to WilliamstownBerlin to WilliamstownMoscow to WilliamstownDubai to WilliamstownNew Delhi to WilliamstownBangkok to Williamstown

Questions and answers

What is the time difference between Johannesburg and Williamstown?

Williamstown is 6 hours behind Johannesburg.

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

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

When is the best time to call Williamstown from Johannesburg?

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

Does the time difference between Johannesburg and Williamstown change?

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