Offset
There is no time difference between Greenwich Mean Time and Lisbon.
Greenwich Mean Time (BST) is currently the same time as Lisbon (BST).
BST: UTC+1
BST: UTC+1
Both zones are currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–5 PM in Greenwich Mean Time (9 AM–5 PM in Lisbon).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Greenwich Mean Time (1:00 PM Lisbon).
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
Portugal
- New Year's DayThu, Jan 1
- CarnivalTue, Feb 17
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Freedom DaySat, Apr 25
- Labour DayFri, May 1
- Corpus ChristiThu, Jun 4
- National DayWed, Jun 10
- Assumption DaySat, Aug 15
- Republic DayMon, Oct 5
- All Saints DaySun, Nov 1
- Restoration of IndependenceTue, Dec 1
- Immaculate ConceptionTue, Dec 8
- Christmas DayFri, Dec 25
About these zones
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Lisbon uses Greenwich Mean Time (GMT, or BST). To call Portugal, dial +351.
Lisbon is approximately 975 miles southwest of Greenwich Mean Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GMT | Lisbon | Day |
|---|---|---|
| 12:00 am | 12:00 am | Same day |
| 1:00 am | 1:00 am | Same day |
| 2:00 am | 2:00 am | Same day |
| 3:00 am | 3:00 am | Same day |
| 4:00 am | 4:00 am | Same day |
| 5:00 am | 5:00 am | Same day |
| 6:00 am | 6:00 am | Same day |
| 7:00 am | 7:00 am | Same day |
| 8:00 am | 8:00 am | Same day |
| 9:00 am | 9:00 am | Same day |
| 10:00 am | 10:00 am | Same day |
| 11:00 am | 11:00 am | Same day |
| 12:00 pm | 12:00 pm | Same day |
| 1:00 pm | 1:00 pm | Same day |
| 2:00 pm | 2:00 pm | Same day |
| 3:00 pm | 3:00 pm | Same day |
| 4:00 pm | 4:00 pm | Same day |
| 5:00 pm | 5:00 pm | Same day |
| 6:00 pm | 6:00 pm | Same day |
| 7:00 pm | 7:00 pm | Same day |
| 8:00 pm | 8:00 pm | Same day |
| 9:00 pm | 9:00 pm | Same day |
| 10:00 pm | 10:00 pm | Same day |
| 11:00 pm | 11:00 pm | Same day |
Daylight saving time
Both Greenwich Mean Time and Lisbon observe daylight saving time and transition on the same date.
Next transition: Sunday, October 25, 2026 (fall back).
Because they transition simultaneously, the offset between these zones remains constant year-round.
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
- 6:13 AM
- Sunset
- 8:59 PM
- Day length
- 14h 45m
Daylight overlap: 14h 45m — 6:13 AM–8:59 PM in Greenwich Mean Time (6:13 AM–8:59 PM in Lisbon). Both locations are in daylight during this window.
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 Greenwich Mean Time
- CAT
- LIS
Related conversions
Common conversions
- What is 9:00 am GMT in Lisbon?
- 9:00 am GMT is 9:00 am Lisbon.
- What is 12:00 pm GMT in Lisbon?
- 12:00 pm GMT is 12:00 pm Lisbon.
- What is 12:30 pm GMT in Lisbon?
- 12:30 pm GMT is 12:30 pm Lisbon.
- What is 2:00 pm GMT in Lisbon?
- 2:00 pm GMT is 2:00 pm Lisbon.
- What is 5:00 pm GMT in Lisbon?
- 5:00 pm GMT is 5:00 pm Lisbon.
- What is 11:30 pm GMT in Lisbon?
- 11:30 pm GMT is 11:30 pm Lisbon.