Johannesburg to London — Time Zone Converter
SAST (UTC+2) → GMT/BST (UTC+1). London is 1 hour behind relative to Johannesburg right now.
Johannesburg
Oct 7, 2026, 1:55 PM
London
Oct 7, 2026, 12:55 PM
Need the reverse? London to Johannesburg →
Sample times — SAST to GMT/BST
Sample conversions for today; daylight saving applied.
About Johannesburg and LondonJohannesburg vs London time difference through 2026
The gap changes twice during 2026, because only London observes daylight saving time. Double-check meetings booked in the weeks around each switch.
Dates (2026) SAST GMT/BST Difference Jan 1 – Mar 28 UTC+2 UTC London is 2 hours behind Mar 29 – Oct 24 UTC+2 UTC+1 London is 1 hour behind Oct 25 – Dec 31 UTC+2 UTC London is 2 hours behind
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
Johannesburg vs London time difference through 2026
The gap changes twice during 2026, because only London observes daylight saving time. Double-check meetings booked in the weeks around each switch.
| Dates (2026) | SAST | GMT/BST | Difference |
|---|---|---|---|
| Jan 1 – Mar 28 | UTC+2 | UTC | London is 2 hours behind |
| Mar 29 – Oct 24 | UTC+2 | UTC+1 | London is 1 hour behind |
| Oct 25 – Dec 31 | UTC+2 | UTC | London is 2 hours behind |
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
Johannesburg to London is one or two hours ahead depending on British Summer Time. Mining, finance, and NGO work between the two cities benefits from the near-overlapping business hours.
Frequently asked questions
What is the time difference between Johannesburg and London?
Right now the offset is about 1 hour behind (from SAST to GMT/BST). Daylight saving rules differ by region, so use the converter and table above rather than memorising a single number year-round.
Does daylight saving affect Johannesburg vs London?
Yes, whenever either region springs forward or falls back, the gap can shift by an hour. This page uses the IANA time-zone database so those transitions are applied automatically.
How do I schedule a meeting across South Africa and the United Kingdom?
Pick a time in the converter, share both columns with attendees, and avoid early-morning or late-night slots on one side. The sample table lists common business hours in the source zone.
Related time zone conversions
Related tools
These free tools pair well with this page — open them in a new tab to finish your workflow.