Offset
The time difference between Cancún and Greenwich Mean Time is 6 hours.
Cancún (EST) is behind Greenwich Mean Time (BST).
EST: UTC-5
BST: UTC+1
Greenwich Mean Time is currently observing daylight saving time; Cancún is not.
When to schedule
Business-hours overlap: 9 AM–11 AM in Cancún (3 PM–5 PM in Greenwich Mean Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Cancún (4:00 PM Greenwich Mean Time).
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.
Mexico
- New Year's DayThu, Jan 1
- Constitution DayMon, Feb 2
- Benito Juárez's birthdayMon, Mar 16
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Independence DayWed, Sep 16
- Revolution DayMon, Nov 16
- Christmas DayFri, Dec 25
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
Cancún uses Eastern Standard Time. To call Mexico, dial +52.
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Greenwich Mean Time is approximately 4,950 miles northeast of Cancún.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Cancún | GMT | Day |
|---|---|---|
| 12:00 am | 6:00 am | Same day |
| 1:00 am | 7:00 am | Same day |
| 2:00 am | 8:00 am | Same day |
| 3:00 am | 9:00 am | Same day |
| 4:00 am | 10:00 am | Same day |
| 5:00 am | 11:00 am | Same day |
| 6:00 am | 12:00 pm | Same day |
| 7:00 am | 1:00 pm | Same day |
| 8:00 am | 2:00 pm | Same day |
| 9:00 am | 3:00 pm | Same day |
| 10:00 am | 4:00 pm | Same day |
| 11:00 am | 5:00 pm | Same day |
| 12:00 pm | 6:00 pm | Same day |
| 1:00 pm | 7:00 pm | Same day |
| 2:00 pm | 8:00 pm | Same day |
| 3:00 pm | 9:00 pm | Same day |
| 4:00 pm | 10:00 pm | Same day |
| 5:00 pm | 11:00 pm | Same day |
| 6:00 pm | 12:00 am | +1 day |
| 7:00 pm | 1:00 am | +1 day |
| 8:00 pm | 2:00 am | +1 day |
| 9:00 pm | 3:00 am | +1 day |
| 10:00 pm | 4:00 am | +1 day |
| 11:00 pm | 5:00 am | +1 day |
Daylight saving time
Greenwich Mean Time observes daylight saving time; Cancún 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
- 6:06 AM
- Sunset
- 7:30 PM
- Day length
- 13h 24m
- Sunrise
- 4:45 AM
- Sunset
- 9:17 PM
- Day length
- 16h 32m
Daylight overlap: 9h 11m — 6:06 AM–3:17 PM in Cancún (12:06 PM–9:17 PM in Greenwich Mean Time). 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 Eastern Standard Time
- CUN
Airports in Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Related conversions
Common conversions
- What is 9:00 am Cancún in GMT?
- 9:00 am Cancún is 3:00 pm GMT.
- What is 12:00 pm Cancún in GMT?
- 12:00 pm Cancún is 6:00 pm GMT.
- What is 12:30 pm Cancún in GMT?
- 12:30 pm Cancún is 6:30 pm GMT.
- What is 2:00 pm Cancún in GMT?
- 2:00 pm Cancún is 8:00 pm GMT.
- What is 5:00 pm Cancún in GMT?
- 5:00 pm Cancún is 11:00 pm GMT.
- What is 11:30 pm Cancún in GMT?
- 11:30 pm Cancún is 5:30 am GMT, the next day.