Offset
The time difference between Greenwich Mean Time and Lusaka is 1 hour.
Greenwich Mean Time (BST) is behind Lusaka (CAT).
BST: UTC+1
CAT: UTC+2
Greenwich Mean Time is currently observing daylight saving time; Lusaka is not.
When to schedule
Business-hours overlap: 9 AM–4 PM in Greenwich Mean Time (10 AM–5 PM in Lusaka).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Greenwich Mean Time (1:00 PM Lusaka).
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
About these zones
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Lusaka uses Central Africa Time (CAT). To call Zambia, dial +260.
Lusaka is approximately 4,950 miles southeast of Greenwich Mean Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GMT | Lusaka | 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; Lusaka 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
- 5:09 AM
- Sunset
- 9:06 PM
- Day length
- 15h 57m
- Sunrise
- 6:34 AM
- Sunset
- 5:54 PM
- Day length
- 11h 21m
Cities in these zones
Cities in Greenwich Mean 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 Central Africa Time
- LUN
Related conversions
Common conversions
- What is 9:00 am GMT in Lusaka?
- 9:00 am GMT is 10:00 am Lusaka.
- What is 12:00 pm GMT in Lusaka?
- 12:00 pm GMT is 1:00 pm Lusaka.
- What is 12:30 pm GMT in Lusaka?
- 12:30 pm GMT is 1:30 pm Lusaka.
- What is 2:00 pm GMT in Lusaka?
- 2:00 pm GMT is 3:00 pm Lusaka.
- What is 5:00 pm GMT in Lusaka?
- 5:00 pm GMT is 6:00 pm Lusaka.
- What is 11:30 pm GMT in Lusaka?
- 11:30 pm GMT is 12:30 am Lusaka, the next day.