Offset
The time difference between Greenwich Mean Time and Mexico City is 7 hours.
Greenwich Mean Time (BST) is ahead of Mexico City (CST).
BST: UTC+1
CST: UTC-6
Greenwich Mean Time is currently observing daylight saving time; Mexico City is not.
When to schedule
Business-hours overlap: 4 PM–5 PM in Greenwich Mean Time (9 AM–10 AM in Mexico City).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Greenwich Mean Time (9:00 AM Mexico City).
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
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
About these zones
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Mexico City uses Central Standard Time. To call Mexico, dial +52.
Mexico City is approximately 5,550 miles west of Greenwich Mean Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GMT | Mexico City | Day |
|---|---|---|
| 12:00 am | 5:00 pm | -1 day |
| 1:00 am | 6:00 pm | -1 day |
| 2:00 am | 7:00 pm | -1 day |
| 3:00 am | 8:00 pm | -1 day |
| 4:00 am | 9:00 pm | -1 day |
| 5:00 am | 10:00 pm | -1 day |
| 6:00 am | 11:00 pm | -1 day |
| 7:00 am | 12:00 am | Same day |
| 8:00 am | 1:00 am | Same day |
| 9:00 am | 2:00 am | Same day |
| 10:00 am | 3:00 am | Same day |
| 11:00 am | 4:00 am | Same day |
| 12:00 pm | 5:00 am | Same day |
| 1:00 pm | 6:00 am | Same day |
| 2:00 pm | 7:00 am | Same day |
| 3:00 pm | 8:00 am | Same day |
| 4:00 pm | 9:00 am | Same day |
| 5:00 pm | 10:00 am | Same day |
| 6:00 pm | 11:00 am | Same day |
| 7:00 pm | 12:00 pm | Same day |
| 8:00 pm | 1:00 pm | Same day |
| 9:00 pm | 2:00 pm | Same day |
| 10:00 pm | 3:00 pm | Same day |
| 11:00 pm | 4:00 pm | Same day |
Daylight saving time
Greenwich Mean Time observes daylight saving time; Mexico City 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
- 9:16 PM
- Day length
- 16h 31m
- Sunrise
- 5:58 AM
- Sunset
- 7:15 PM
- Day length
- 13h 16m
Cities in these zones
Cities in Greenwich Mean Time
Other cities in Central Standard 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 Standard Time
- MEX
- NLU
- TLC
- PBC
- QRO
- BJX
- GDL
Related conversions
Common conversions
- What is 9:00 am GMT in Mexico City?
- 9:00 am GMT is 2:00 am Mexico City.
- What is 12:00 pm GMT in Mexico City?
- 12:00 pm GMT is 5:00 am Mexico City.
- What is 12:30 pm GMT in Mexico City?
- 12:30 pm GMT is 5:30 am Mexico City.
- What is 2:00 pm GMT in Mexico City?
- 2:00 pm GMT is 7:00 am Mexico City.
- What is 5:00 pm GMT in Mexico City?
- 5:00 pm GMT is 10:00 am Mexico City.
- What is 11:30 pm GMT in Mexico City?
- 11:30 pm GMT is 4:30 pm Mexico City.