Offset
The time difference between Mexico City and Belfast is 7 hours.
Mexico City (CST) is behind Belfast (BST).
CST: UTC-6
BST: UTC+1
Belfast is currently observing daylight saving time; Mexico City is not.
When to schedule
Business-hours overlap: 9 AM–10 AM in Mexico City (4 PM–5 PM in Belfast).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Mexico City (4:00 PM Belfast).
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
Mexico City uses Central Standard Time. To call Mexico, dial +52.
Belfast uses Greenwich Mean Time (GMT, or BST). To call United Kingdom, dial +44.
Belfast is approximately 5,250 miles northeast of Mexico City.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Mexico City | Belfast | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Belfast observes daylight saving time; Mexico City does not. The offset between the two zones changes when Belfast 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
- 5:59 AM
- Sunset
- 7:15 PM
- Day length
- 13h 17m
- Sunrise
- 4:49 AM
- Sunset
- 9:59 PM
- Day length
- 17h 9m
Daylight overlap: 9h — 5:59 AM–2:59 PM in Mexico City (12:59 PM–9:59 PM in Belfast). Both locations are in daylight during this window.
Cities in these zones
Other cities in Central Standard Time
Other cities in Greenwich Mean Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central Standard Time
- MEX
- NLU
- TLC
- PBC
- QRO
- BJX
- GDL
Airports in Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Related conversions
Common conversions
- What is 9:00 am Mexico City in Belfast?
- 9:00 am Mexico City is 4:00 pm Belfast.
- What is 12:00 pm Mexico City in Belfast?
- 12:00 pm Mexico City is 7:00 pm Belfast.
- What is 12:30 pm Mexico City in Belfast?
- 12:30 pm Mexico City is 7:30 pm Belfast.
- What is 2:00 pm Mexico City in Belfast?
- 2:00 pm Mexico City is 9:00 pm Belfast.
- What is 5:00 pm Mexico City in Belfast?
- 5:00 pm Mexico City is 12:00 am Belfast, the next day.
- What is 11:30 pm Mexico City in Belfast?
- 11:30 pm Mexico City is 6:30 am Belfast, the next day.