Charlestown to Johannesburg time converter

Johannesburg is 6 hours ahead of Charlestown. When it is 9:00 AM in Charlestown, it is 3:00 PM in Johannesburg.

Charlestown EDT

Wednesday, October 21, 2026

Johannesburg SAST

Wednesday, October 21, 2026

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

Charlestown to Johannesburg conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Charlestown and Johannesburg 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

Charlestown and Johannesburg are 12,647 km (7,858 miles) apart in a straight line.

More conversions

Johannesburg to CharlestownCharlestown to New YorkCharlestown to LondonCharlestown to Los AngelesCharlestown to ChicagoCharlestown to TorontoCharlestown to São PauloCharlestown to ParisCharlestown to BerlinCharlestown to MoscowCharlestown to DubaiCharlestown to New DelhiCharlestown to Bangkok
New York to JohannesburgLondon to JohannesburgLos Angeles to JohannesburgChicago to JohannesburgToronto to JohannesburgSão Paulo to JohannesburgParis to JohannesburgBerlin to JohannesburgMoscow to JohannesburgDubai to JohannesburgNew Delhi to JohannesburgBangkok to Johannesburg

Questions and answers

What is the time difference between Charlestown and Johannesburg?

Johannesburg is 6 hours ahead of Charlestown.

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

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

When is the best time to call Johannesburg from Charlestown?

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

Does the time difference between Charlestown and Johannesburg change?

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