Offset
The time difference between Birmingham and Johannesburg is 1 hour.
Birmingham (BST) is behind Johannesburg (SAST).
BST: UTC+1
SAST: UTC+2
Birmingham is currently observing daylight saving time; Johannesburg is not.
When to schedule
Business-hours overlap: 9 AM–4 PM in Birmingham (10 AM–5 PM in Johannesburg).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Birmingham (1:00 PM Johannesburg).
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
Birmingham uses Greenwich Mean Time (GMT, or BST). To call United Kingdom, dial +44.
Johannesburg uses South Africa Time (SAST). To call South Africa, dial +27.
Johannesburg is approximately 5,750 miles southeast of Birmingham.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Birmingham | Johannesburg | 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
Birmingham observes daylight saving time; Johannesburg does not. The offset between the two zones changes when Birmingham 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
- 9:28 PM
- Day length
- 16h 40m
- Sunrise
- 6:51 AM
- Sunset
- 5:24 PM
- Day length
- 10h 33m
Daylight overlap: 10h 33m — 5:51 AM–4:24 PM in Birmingham (6:51 AM–5:24 PM in Johannesburg). Both locations are in daylight during this window.
Cities in these zones
Other 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 Birmingham in Johannesburg?
- 9:00 am Birmingham is 10:00 am Johannesburg.
- What is 12:00 pm Birmingham in Johannesburg?
- 12:00 pm Birmingham is 1:00 pm Johannesburg.
- What is 12:30 pm Birmingham in Johannesburg?
- 12:30 pm Birmingham is 1:30 pm Johannesburg.
- What is 2:00 pm Birmingham in Johannesburg?
- 2:00 pm Birmingham is 3:00 pm Johannesburg.
- What is 5:00 pm Birmingham in Johannesburg?
- 5:00 pm Birmingham is 6:00 pm Johannesburg.
- What is 11:30 pm Birmingham in Johannesburg?
- 11:30 pm Birmingham is 12:30 am Johannesburg, the next day.