Johannesburg to Castle Rock time converter

Castle Rock is 8 hours behind Johannesburg. When it is 9:00 AM in Johannesburg, it is 1:00 AM in Castle Rock.

Johannesburg SAST

Wednesday, October 21, 2026

Castle Rock MDT

Wednesday, October 21, 2026

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

Johannesburg to Castle Rock conversion table

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

JohannesburgCastle Rock
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 Castle Rock).

Daylight saving time and the difference

The difference changes during the year because Johannesburg and Castle Rock 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 Castle Rock are 15,432 km (9,589 miles) apart in a straight line.

More conversions

Castle Rock 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 Castle RockLondon to Castle RockLos Angeles to Castle RockChicago to Castle RockToronto to Castle RockSão Paulo to Castle RockParis to Castle RockBerlin to Castle RockMoscow to Castle RockDubai to Castle RockNew Delhi to Castle RockBangkok to Castle Rock

Questions and answers

What is the time difference between Johannesburg and Castle Rock?

Castle Rock is 8 hours behind Johannesburg.

What time is it in Castle Rock when it is 9 AM in Johannesburg?

When it is 9:00 AM in Johannesburg, it is 1:00 AM in Castle Rock.

When is the best time to call Castle Rock from Johannesburg?

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

Does the time difference between Johannesburg and Castle Rock change?

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