Johannesburg is usually 1 hour ahead of London. London observes daylight saving time and Johannesburg does not, so the difference shifts by an hour around the changeovers.

JohannesburgLondon

Sunrise 6:54 AMSunset 5:35 PM(local)

Sunrise 5:06 AMSunset 9:09 PM(local)

London: daylight saving timeNow UTC+1. Next change: October 25, 2026 β€” clocks go back 1 hour.
JohannesburgUTC+2
LondonUTC+1

πŸ‡ΏπŸ‡¦ Johannesburg

Dialing code+27
Population9,418,183
Coordinates26.20Β°S, 28.04Β°E
Elevation1,767 m

πŸ‡¬πŸ‡§ London

Dialing code+44
Population8,961,989
Coordinates51.51Β°N, 0.13Β°W
Elevation25 m

Best time for a call: 10:00–18:00 in JohannesburgAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Johannesburg and London?
Johannesburg is 1 hour ahead of London. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Johannesburg and London?
The best window to call is 10:00–18:00 Johannesburg time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Johannesburg and London change?
Because at least one of Johannesburg and London observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).