SAST to London

United Kingdom Time is 1 hour behind South Africa Standard Time for 210 days of the year, and takes 2 different values across the year.

SAST to London conversion table

Every hour of the day at the difference that holds for 210 days of 2026 — 1 hour. See “When the difference changes” below for the rest.

SAST to London, hours 00:00–11:00
SASTLondon
12:00 AM11:00 PM −1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
SAST to London, hours 12:00–23:00
SASTLondon
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Shared working hours

Taking a working day as 09:00–17:00 in each zone, South Africa Standard Time and United Kingdom Time overlap for 7 hours.

10:00 AM–5:00 PM in SAST is 9:00 AM–4:00 PM in London.

When the difference changes

The two zones move their clocks on different dates, so the gap takes more than one value. These are the stretches of 2026:

DatesLondon isWhy
1 January – 29 March2 hours behind
29 March – 25 October1 hour behindUnited Kingdom Time clocks go forward one hour
25 October – 1 January2 hours behindUnited Kingdom Time clocks go back one hour

Dates are South Africa Standard Time local dates for 2026. Transition dates move by a few days from year to year; the rule each country follows does not.

About South Africa Standard Time

South Africa is a fixed UTC+2 and has never used daylight saving. Being in the southern hemisphere, its working day overlaps Europe most comfortably and North America least — and unlike its northern counterparts nothing about that changes through the year.

Cities on this clock: Johannesburg, Cape Town, Khartoum.

About United Kingdom Time

The United Kingdom is on GMT (UTC+0) for about five months and BST (UTC+1) for the rest, changing on the last Sunday in March and the last Sunday in October. Ireland keeps exactly the same clock, so every figure here applies to Dublin as well as London.

Cities on this clock: London, Lisbon, Dublin, Edinburgh, Manchester.

How the difference is worked out

The gap between South Africa Standard Time and United Kingdom Time is not one number. The two zones change their clocks on different dates, so for part of the year the difference is 1 hour and for the rest it is something else — the table above lists each stretch of 2026 with the date it starts and which country's clocks moved.

With both zones on their own standard time — daylight saving not in force anywhere — United Kingdom Time is 2 hours behind South Africa Standard Time. That figure never changes; everything else on this page follows from it plus whichever clocks have moved.

Every figure here comes from the IANA time zone database via your browser's own Intl engine, using the zone ids Africa/Johannesburg and Europe/London. Nothing is looked up on a server and nothing about your visit is recorded.

Is London ahead of or behind SAST?

United Kingdom Time is 1 hour behind South Africa Standard Time for 210 days of the year, and takes 2 different values across the year. The gap moves because the two zones change their clocks on different dates — on 29 March, United Kingdom Time clocks go forward one hour; on 25 October, United Kingdom Time clocks go back one hour (dates for 2026).

What time is 9 AM SAST in London?

9:00 AM SAST is 8:00 AM London for most of the year — see the table above for the 3 stretches of 2026 the gap holds different values.

When can South Africa Standard Time and United Kingdom Time meet?

Taking a working day as 09:00–17:00 in each zone, the two overlap for 7 hours: 10:00 AM–5:00 PM in South Africa Standard Time, which is 9:00 AM–4:00 PM in United Kingdom Time.

What does SAST stand for?

SAST is South Africa Standard Time, also written Johannesburg time, Cape Town time. South Africa is a fixed UTC+2 and has never used daylight saving. Being in the southern hemisphere, its working day overlaps Europe most comfortably and North America least — and unlike its northern counterparts nothing about that changes through the year.

This site is vibe coded. The tools here were built largely by AI, so treat what they tell you as a starting point rather than an answer — double-check anything that matters before you rely on it.

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