Time Difference Between Johannesburg and London

The time difference between Johannesburg and London is 1 hour. When it is 12:00 noon in Johannesburg, it is 11:00 in London. Johannesburg uses the Africa/Johannesburg time zone (UTC+2), while London uses Europe/London (UTC+1).

London is 1 hour behind Johannesburg — 1 hour
Johannesburg, South Africa
01:41:48
Monday, May 11, 2026
UTC+2 · SAST
London, United Kingdom
00:41:48
Monday, May 11, 2026
UTC+1 · BST (DST)

Time Zone Details: Johannesburg vs London

Detail Johannesburg London
Time Zone IDAfrica/JohannesburgEurope/London
UTC OffsetUTC+2UTC+1
AbbreviationSASTBST
DST ActiveNoYes — currently observing
CountrySouth AfricaUnited Kingdom
RegionAfricaEurope

Best Time to Schedule a Call

There are 7 overlapping business hours between Johannesburg and London (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

10:00–17:00 in Johannesburg  =  09:00–16:00 in London

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Johannesburg time to London time. Rows highlighted in green indicate overlapping business hours in both cities.

Johannesburg London
00:00 23:00 (-1 day) Night
01:00 00:00 Night
02:00 01:00 Night
03:00 02:00 Night
04:00 03:00 Night
05:00 04:00 Night
06:00 05:00
07:00 06:00
08:00 07:00
09:00 08:00
10:00 09:00 Overlap
11:00 10:00 Overlap
12:00 11:00 Overlap
13:00 12:00 Overlap
14:00 13:00 Overlap
15:00 14:00 Overlap
16:00 15:00 Overlap
17:00 16:00
18:00 17:00
19:00 18:00
20:00 19:00
21:00 20:00
22:00 21:00 Night
23:00 22:00 Night

Daylight Saving Time (DST) Impact

London is currently observing daylight saving time, while Johannesburg is on standard time. When London switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for Johannesburg–London Scheduling

Compare Johannesburg and London with Other Cities

From Johannesburg

From London

Frequently Asked Questions

What is the time difference between Johannesburg and London?

The time difference is 1 hour. London is 1 hour behind Johannesburg.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from Johannesburg to London?

The best window is between 10:00 and 17:00 Johannesburg time, which corresponds to 09:00–16:00 in London. Both sides fall within normal business hours.

How do I convert Johannesburg time to London time?

Subtract 1 hour from Johannesburg time to get London time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.