Offset
The time difference between Omdurman and Greenwich Mean Time is 1 hour.
Omdurman (GMT+2) is ahead of Greenwich Mean Time (BST).
GMT+2: UTC+2
BST: UTC+1
Greenwich Mean Time is currently observing daylight saving time; Omdurman is not.
When to schedule
Business-hours overlap: 10 AM–5 PM in Omdurman (9 AM–4 PM in Greenwich Mean Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Omdurman (12:00 PM Greenwich Mean Time).
This window may shift by an hour during daylight saving time.
Note: the working week in Sudan runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
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
Omdurman uses Central Africa Time. To call Sudan, dial +249.
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Greenwich Mean Time is approximately 3,050 miles northwest of Omdurman.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Omdurman | GMT | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same 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 |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Greenwich Mean Time observes daylight saving time; Omdurman 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
- 5:28 AM
- Sunset
- 6:25 PM
- Day length
- 12h 57m
- Sunrise
- 5:05 AM
- Sunset
- 9:10 PM
- Day length
- 16h 5m
Daylight overlap: 12h 20m — 6:05 AM–6:25 PM in Omdurman (5:05 AM–5:25 PM in Greenwich Mean Time). Both locations are in daylight during this window.
Cities in these zones
Other cities in Central Africa Time
Cities in Greenwich Mean Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central Africa Time
- KRT
Airports in Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Related conversions
Common conversions
- What is 9:00 am Omdurman in GMT?
- 9:00 am Omdurman is 8:00 am GMT.
- What is 12:00 pm Omdurman in GMT?
- 12:00 pm Omdurman is 11:00 am GMT.
- What is 12:30 pm Omdurman in GMT?
- 12:30 pm Omdurman is 11:30 am GMT.
- What is 2:00 pm Omdurman in GMT?
- 2:00 pm Omdurman is 1:00 pm GMT.
- What is 5:00 pm Omdurman in GMT?
- 5:00 pm Omdurman is 4:00 pm GMT.
- What is 11:30 pm Omdurman in GMT?
- 11:30 pm Omdurman is 10:30 pm GMT.