Offset
The time difference between Greenwich Mean Time and Cape Town is 1 hour.
Greenwich Mean Time (BST) is behind Cape Town (SAST).
BST: UTC+1
SAST: UTC+2
Greenwich Mean Time is currently observing daylight saving time; Cape Town is not.
When to schedule
Business-hours overlap: 9 AM–4 PM in Greenwich Mean Time (10 AM–5 PM in Cape Town).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Greenwich Mean Time (1:00 PM Cape Town).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United Kingdom
- Good FridayFri, Apr 3
- Early May Bank HolidayMon, May 4
- Spring Bank HolidayMon, May 25
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
South Africa
- New Year's DayThu, Jan 1
- Human Rights DaySat, Mar 21
- Good FridayFri, Apr 3
- Family DayMon, Apr 6
- Freedom DayMon, Apr 27
- Workers' DayFri, May 1
- Youth DayTue, Jun 16
- National Women's DayMon, Aug 10
- Heritage DayThu, Sep 24
- Day of ReconciliationWed, Dec 16
- Christmas DayFri, Dec 25
- Day of GoodwillSat, Dec 26
About these zones
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Cape Town uses South Africa Time (SAST). To call South Africa, dial +27.
Cape Town is approximately 6,000 miles south of Greenwich Mean Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GMT | Cape Town | Day |
|---|---|---|
| 12:00 am | 1:00 am | Same day |
| 1:00 am | 2:00 am | Same day |
| 2:00 am | 3:00 am | Same day |
| 3:00 am | 4:00 am | Same day |
| 4:00 am | 5:00 am | Same day |
| 5:00 am | 6:00 am | Same day |
| 6:00 am | 7:00 am | Same day |
| 7:00 am | 8:00 am | Same day |
| 8:00 am | 9:00 am | Same day |
| 9:00 am | 10:00 am | Same day |
| 10:00 am | 11:00 am | Same day |
| 11:00 am | 12:00 pm | Same day |
| 12:00 pm | 1:00 pm | Same day |
| 1:00 pm | 2:00 pm | Same day |
| 2:00 pm | 3:00 pm | Same day |
| 3:00 pm | 4:00 pm | Same day |
| 4:00 pm | 5:00 pm | Same day |
| 5:00 pm | 6:00 pm | Same day |
| 6:00 pm | 7:00 pm | Same day |
| 7:00 pm | 8:00 pm | Same day |
| 8:00 pm | 9:00 pm | Same day |
| 9:00 pm | 10:00 pm | Same day |
| 10:00 pm | 11:00 pm | Same day |
| 11:00 pm | 12:00 am | +1 day |
Daylight saving time
Greenwich Mean Time observes daylight saving time; Cape Town does not. The offset between the two zones changes when Greenwich Mean Time transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 4:47 AM
- Sunset
- 9:13 PM
- Day length
- 16h 25m
- Sunrise
- 7:46 AM
- Sunset
- 5:45 PM
- Day length
- 9h 59m
Daylight overlap: 9h 59m — 6:46 AM–4:45 PM in Greenwich Mean Time (7:46 AM–5:45 PM in Cape Town). Both locations are in daylight during this window.
Cities in these zones
Cities in Greenwich Mean Time
Other cities in South Africa Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Airports in South Africa Time
- HLA
- JNB
- CPT
- DUR
Related conversions
Common conversions
- What is 9:00 am GMT in Cape Town?
- 9:00 am GMT is 10:00 am Cape Town.
- What is 12:00 pm GMT in Cape Town?
- 12:00 pm GMT is 1:00 pm Cape Town.
- What is 12:30 pm GMT in Cape Town?
- 12:30 pm GMT is 1:30 pm Cape Town.
- What is 2:00 pm GMT in Cape Town?
- 2:00 pm GMT is 3:00 pm Cape Town.
- What is 5:00 pm GMT in Cape Town?
- 5:00 pm GMT is 6:00 pm Cape Town.
- What is 11:30 pm GMT in Cape Town?
- 11:30 pm GMT is 12:30 am Cape Town, the next day.