SAST to BST
-1hSAST
SASTSOURCEBST
BSTGreen rows indicate typical business hours (9 AM - 5 PM)
SAST and BST on the World Map
The map below highlights the SAST (South Africa Standard Time) and BST (British Summer Time) timezone regions across the globe.
SAST – South Africa Standard Time
UTC+02:00South Africa Standard Time (SAST) is the time zone for South Africa and neighboring countries, 2 hours ahead of UTC.
- •South Africa does not observe daylight saving time.
- •SAST is the same offset as EET and Israel Standard Time.
- •The Johannesburg Stock Exchange (JSE) is Africa's largest.
BST – British Summer Time
UTC+01:00British Summer Time (BST, UTC+01:00) is the daylight saving period in the United Kingdom, running from late March to late October.
- •BST runs from the last Sunday in March to the last Sunday in October.
- •BST is exactly one hour ahead of GMT, the UK's standard time.
- •During BST, London is 4 hours ahead of New York while the US is on Eastern Daylight Time.
- •The Isle of Man and the Channel Islands also observe BST.
Time Conversion Guide: SAST to BST
SAST runs on South Africa Standard Time (SAST) at UTC+02:00. BST runs on British Summer Time (BST) at UTC+01:00. That puts SAST 1 hour behind BST — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in SAST it is 8:00 AM in BST. Midnight in SAST is 11:00 PM in BST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
SAST to BST time conversion table
| SAST (SAST) | BST (BST) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert SAST to BST time
- Scheduling a call from SAST to BST: a 10:00 AM start in SAST lands at 9:00 AM in BST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both SAST and BST are inside the 9-to-5 working day between 10:00 AM and 5:00 PM SAST time (9:00 AM–4:00 PM BST). That is roughly 7 hours of usable overlap.
- Coordinating a SAST-based team with BST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM SAST" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM SAST as the recurring meeting window if you work primarily from SAST and need BST colleagues present.
About SAST (South Africa Standard Time)
South Africa Standard Time (SAST) is used in South Africa, Lesotho, and Eswatini. SAST does not observe daylight saving time. Johannesburg and Cape Town are major economic hubs in Africa.
About BST (British Summer Time)
British Summer Time (BST) is the daylight saving period in the United Kingdom, when clocks move one hour forward from Greenwich Mean Time (GMT, UTC+00:00) to UTC+01:00. It runs from the last Sunday in March to the last Sunday in October. England, Scotland, Wales and Northern Ireland all follow it, along with the Isle of Man and the Channel Islands of Jersey and Guernsey. During BST, London is one hour ahead of UTC, four hours ahead of New York on Eastern Daylight Time, and five hours ahead of New York once the United States returns to Eastern Standard Time in November. BST is also used to abbreviate Bangladesh Standard Time (UTC+06:00), which is listed separately on this site.
Best time to call between SAST and BST
Both SAST and BST sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM SAST, which is 9:00 AM–4:00 PM BST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
SAST and BST share 7 hours of working-hours overlap (10:00 AM–5:00 PM SAST), so scheduling a live meeting is straightforward.
SAST is 1 hour behind BST (SAST UTC+02:00 → BST UTC+01:00). The shared working window is 10:00 AM–5:00 PM SAST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
SAST
Does not observe DST
BST
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between SAST and BST?
SAST (SAST, UTC+02:00) is 1 hour behind BST (BST, UTC+01:00). The gap is currently -1h.
How do I convert SAST time to BST time?
Add -1h to SAST local time. For example, 9:00 AM in SAST is 8:00 AM in BST.
What time is it in BST right now?
BST uses BST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from SAST.
What is the best time to call BST from SAST?
Call between 10:00 AM and 5:00 PM SAST — that maps to 9:00 AM–4:00 PM BST and keeps both parties inside the working day.
Which is behind, SAST or BST?
SAST is 1 hour behind BST. When it is 12:00 PM in SAST it is 11:00 AM in BST.
Does daylight saving time affect the SAST–BST difference?
Neither zone observes daylight saving time, so the -1h offset between SAST and BST is fixed all year.
Which other cities share SAST's time zone?
SAST also covers Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth.
Which countries use SAST, SAST's zone?
SAST is used in South Africa, Lesotho, Eswatini.
Is there a day difference between SAST and BST?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between SAST and BST?
BST is -1h from SAST.
What timezone is SAST in?
SAST operates on its local timezone.
What timezone is BST in?
BST operates on its local timezone.
Which countries use SAST (South Africa Standard Time)?
SAST is used in South Africa, Lesotho, Eswatini.
Does SAST observe daylight saving time?
No, SAST does not observe daylight saving time and remains at UTC+02:00 year-round.
What are some interesting facts about SAST?
South Africa does not observe daylight saving time. SAST is the same offset as EET and Israel Standard Time.
Which cities are in the BST timezone?
Major cities in the BST timezone include London, Birmingham, Manchester, Glasgow, Edinburgh, Cardiff, Belfast, Liverpool.
What is the UTC offset for BST?
British Summer Time (BST) is at UTC+01:00. During daylight saving time, it shifts to BST.
What should I know about the BST timezone?
BST runs from the last Sunday in March to the last Sunday in October. BST is exactly one hour ahead of GMT, the UK's standard time.
When is it midnight in SAST, what time is it in BST?
When it is 12:00 AM (midnight) in SAST (SAST), it is -1h later in BST (BST).
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- kathmandu to sast
See every conversion from SAST →·See every conversion from BST →