Johannesburg to Union City time converter

Union City is 9 hours behind Johannesburg. When it is 9:00 AM in Johannesburg, it is 12:00 AM in Union City.

Johannesburg SAST

Thursday, October 22, 2026

Union City PDT

Wednesday, October 21, 2026

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

Johannesburg to Union City conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Johannesburg (7:00 AM – 9:00 AM in Union City): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 22, 2026 – Nov 1, 2026: -9h
  • Nov 1, 2026 – Mar 14, 2027: -10h
  • Mar 14, 2027 – Oct 22, 2027: -9h

Distance

Johannesburg and Union City are 16,936 km (10,524 miles) apart in a straight line.

More conversions

Union City 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 Union CityLondon to Union CityLos Angeles to Union CityChicago to Union CityToronto to Union CitySão Paulo to Union CityParis to Union CityBerlin to Union CityMoscow to Union CityDubai to Union CityNew Delhi to Union CityBangkok to Union City

Questions and answers

What is the time difference between Johannesburg and Union City?

Union City is 9 hours behind Johannesburg.

What time is it in Union City when it is 9 AM in Johannesburg?

When it is 9:00 AM in Johannesburg, it is 12:00 AM in Union City.

When is the best time to call Union City from Johannesburg?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Johannesburg (7:00 AM – 9:00 AM in Union City): working hours on one side, early or late on the other.

Does the time difference between Johannesburg and Union City change?

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