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Time difference between London and Johannesburg

Johannesburg is 1 hour ahead of London. When it is noon in London, it is 1:00 PM in Johannesburg. The same gap applies whether you look at it as London to Johannesburg or Johannesburg to London.

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Johannesburg is 1 hour ahead of London, usually.

Difference right now1 hour (usual)
Upcoming changesCalculating…

How the gap works

The gap is not constant. Because London changes its clocks for daylight saving time and Johannesburg does not, the difference becomes 2 hours for part of the year. The live section above shows the exact gap right now and when it next changes.

  • London (United Kingdom) is in the Europe/London time zone: UTC+0 (GMT) or UTC+1 (BST).
  • Johannesburg (South Africa) is in the Africa/Johannesburg time zone: UTC+2 (SAST).

Convert London time to Johannesburg time

LondonJohannesburg
6:00 AM7:00 AM
9:00 AM10:00 AM
12:00 PM1:00 PM
3:00 PM4:00 PM
6:00 PM7:00 PM
9:00 PM10:00 PM

Based on the usual 1 hour gap.

Best time to call or meet

During standard 9-to-5 working hours, London and Johannesburg overlap for 7 hours, from 9:00 AM to 4:00 PM in London (10:00 AM to 5:00 PM in Johannesburg). If you stretch the day to 7 AM to 10 PM in both cities, the shared window is 7:00 AM to 9:00 PM in London (8:00 AM to 10:00 PM in Johannesburg).

The best time to call is around 12:30 PM in London (1:30 PM in Johannesburg). That time falls inside standard working hours in both cities. These times use the usual gap; for a few weeks each year, shift them by the difference noted above.

Frequently asked questions

What is the time difference between London and Johannesburg?

Johannesburg is 1 hour ahead of London, usually. It becomes 2 hours for part of the year.

Is Johannesburg ahead of or behind London?

Johannesburg is 1 hour ahead of London.

Does the time difference between London and Johannesburg change during the year?

Yes. The usual gap is 1 hour, but because London changes its clocks for daylight saving time and Johannesburg does not, it becomes 2 hours for part of the year. The live section above lists the next changes.

What is the best time to schedule a call between London and Johannesburg?

The best time to call is around 12:30 PM in London (1:30 PM in Johannesburg). That time falls inside standard working hours in both cities. During standard 9-to-5 working hours, London and Johannesburg overlap for 7 hours, from 9:00 AM to 4:00 PM in London (10:00 AM to 5:00 PM in Johannesburg).