Johannesburg to Altadena time converter

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

Johannesburg SAST

Wednesday, October 21, 2026

Altadena PDT

Tuesday, October 20, 2026

Johannesburg
South Africa
Wed, Oct 21
SASTUTC+2
Altadena
California, United States
Tue, Oct 20
PDTUTC-7-9h
Finding your time zone…
Shared working hours (9:00–18:00)

Johannesburg to Altadena conversion table

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

JohannesburgAltadena
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 Altadena): 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 Altadena switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -9h
  • Nov 1, 2026 – Mar 14, 2027: -10h
  • Mar 14, 2027 – Oct 21, 2027: -9h

Distance

Johannesburg and Altadena are 16,662 km (10,353 miles) apart in a straight line.

More conversions

Altadena 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 AltadenaLondon to AltadenaLos Angeles to AltadenaChicago to AltadenaToronto to AltadenaSão Paulo to AltadenaParis to AltadenaBerlin to AltadenaMoscow to AltadenaDubai to AltadenaNew Delhi to AltadenaBangkok to Altadena

Questions and answers

What is the time difference between Johannesburg and Altadena?

Altadena is 9 hours behind Johannesburg.

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

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

When is the best time to call Altadena 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 Altadena): working hours on one side, early or late on the other.

Does the time difference between Johannesburg and Altadena change?

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