Clockjumper

Time difference

Johannesburg to London Time Difference

London is 2 hours behind Johannesburg — when it's 12:00 PM in Johannesburg, it's 10:00 AM in London. (Johannesburg (Africa/Johannesburg, SAST); London (Europe/London, GMT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

London is 2 hours behind Johannesburg. The best window for a call is 11 AM–5 PM in Johannesburg, which is 9 AM–3 PM in London — a 6-hour overlap inside 9 AM–5 PM on both sides. Clocks change on March 28, 2027, which briefly shifts the gap between Johannesburg and London — the converter on this page always reflects the correct offset for the date you pick.

  • When it's 9:00 AM in Johannesburg, it's 7:00 AM in London.
  • When it's 9:00 AM in London, it's 11:00 AM in Johannesburg.

London is currently 2 hours behind Johannesburg.

Johannesburg • SAST
4:37 PM
Monday, Oct 26
London • GMT
2:37 PM
Monday, Oct 26

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Best times to meet

The 9 AM – 5 PM business windows in Johannesburg and London overlap for 6 hours. 11 AM–5 PM in Johannesburg is 9 AM–3 PM in London. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

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

Daylight saving

On March 28, 2027, London shifts for daylight saving. After that, London will be 1 hour behind Johannesburg (currently 2 hours behind Johannesburg). The converter and the tables above always reflect the correct offset for the date you pick.

  • Johannesburg does not observe daylight saving time.
  • London is not currently observing daylight saving time (standard time is in effect).

Frequently asked questions

Is London ahead of or behind Johannesburg?
London is 2 hours behind Johannesburg.
How many hours behind Johannesburg is London?
London is 2 hours behind Johannesburg.
What time is 9 AM in Johannesburg in London?
9:00 AM in Johannesburg is 7:00 AM in London.
What time is noon in Johannesburg in London?
12:00 PM in Johannesburg is 10:00 AM in London.
What time is 5 PM in Johannesburg in London?
5:00 PM in Johannesburg is 3:00 PM in London. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Johannesburg in London?
3:00 PM in Johannesburg is 1:00 PM in London.
Is Johannesburg currently observing daylight saving time?
Johannesburg does not observe daylight saving time — its UTC offset stays the same all year.
Is London currently observing daylight saving time?
London observes daylight saving time seasonally, but is not currently on DST (standard time is in effect).
Do Johannesburg and London observe daylight saving?
On March 28, 2027, London shifts for daylight saving. After that, London will be 1 hour behind Johannesburg (currently 2 hours behind Johannesburg). The converter and the tables above always reflect the correct offset for the date you pick.
When is the best time to call London from Johannesburg?
Aim for 11 AM–5 PM in Johannesburg, which is 9 AM–3 PM in London.
When is the best time to call Johannesburg from London?
Aim for 9 AM–3 PM in London, which is 11 AM–5 PM in Johannesburg.
Johannesburg (SAST) to London (GMT) — how do I convert quickly?
Subtract 2 hours from Johannesburg local time to get London local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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