Offset
The time difference between Greenwich Mean Time and Aleppo is 2 hours.
Greenwich Mean Time (BST) is behind Aleppo (GMT+3).
BST: UTC+1
GMT+3: UTC+3
Greenwich Mean Time is currently observing daylight saving time; Aleppo is not.
When to schedule
Business-hours overlap: 9 AM–3 PM in Greenwich Mean Time (11 AM–5 PM in Aleppo).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Greenwich Mean Time (2:00 PM Aleppo).
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.
Aleppo uses GMT+03:00. To call Syria, dial +963.
Aleppo is approximately 2,100 miles east of Greenwich Mean Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GMT | Aleppo | Day |
|---|---|---|
| 12:00 am | 2:00 am | Same day |
| 1:00 am | 3:00 am | Same day |
| 2:00 am | 4:00 am | Same day |
| 3:00 am | 5:00 am | Same day |
| 4:00 am | 6:00 am | Same day |
| 5:00 am | 7:00 am | Same day |
| 6:00 am | 8:00 am | Same day |
| 7:00 am | 9:00 am | Same day |
| 8:00 am | 10:00 am | Same day |
| 9:00 am | 11:00 am | Same day |
| 10:00 am | 12:00 pm | Same day |
| 11:00 am | 1:00 pm | Same day |
| 12:00 pm | 2:00 pm | Same day |
| 1:00 pm | 3:00 pm | Same day |
| 2:00 pm | 4:00 pm | Same day |
| 3:00 pm | 5:00 pm | Same day |
| 4:00 pm | 6:00 pm | Same day |
| 5:00 pm | 7:00 pm | Same day |
| 6:00 pm | 8:00 pm | Same day |
| 7:00 pm | 9:00 pm | Same day |
| 8:00 pm | 10:00 pm | Same day |
| 9:00 pm | 11:00 pm | Same day |
| 10:00 pm | 12:00 am | +1 day |
| 11:00 pm | 1:00 am | +1 day |
Daylight saving time
Greenwich Mean Time observes daylight saving time; Aleppo 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
- 4:45 AM
- Sunset
- 9:17 PM
- Day length
- 16h 32m
- Sunrise
- 5:15 AM
- Sunset
- 7:49 PM
- Day length
- 14h 34m
Daylight overlap: 13h 4m — 4:45 AM–5:49 PM in Greenwich Mean Time (6:45 AM–7:49 PM in Aleppo). Both locations are in daylight during this window.
Cities in these zones
Cities in Greenwich Mean Time
Other cities in GMT+03:00
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 GMT+03:00
- ALP
- DAM
Related conversions
Common conversions
- What is 9:00 am GMT in Aleppo?
- 9:00 am GMT is 11:00 am Aleppo.
- What is 12:00 pm GMT in Aleppo?
- 12:00 pm GMT is 2:00 pm Aleppo.
- What is 12:30 pm GMT in Aleppo?
- 12:30 pm GMT is 2:30 pm Aleppo.
- What is 2:00 pm GMT in Aleppo?
- 2:00 pm GMT is 4:00 pm Aleppo.
- What is 5:00 pm GMT in Aleppo?
- 5:00 pm GMT is 7:00 pm Aleppo.
- What is 11:30 pm GMT in Aleppo?
- 11:30 pm GMT is 1:30 am Aleppo, the next day.