Mexico City to Portsmouth: time difference
Portsmouth is 7 h ahead of Mexico City. Live clocks for both, the working hours they share, and how each one sits against your own time.
+7 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Mexico City 16:20 4:20 PM Portsmouth 23:20 11:20 PM You –:–
16:20 4:20 PM
Central Standard Time · UTC-6
☀️ 06:32 · 🌙 18:13
23:20 11:20 PM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:10
·
+7 h
Portsmouth is 7 h ahead of Mexico City.
When you, Mexico City and Portsmouth are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇲🇽 Mexico City
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇬🇧 Portsmouth
7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM
📍 Your time
- Asleep
- Early
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Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇬🇧 Portsmouth |
|---|---|---|
| Local time | 16:20 | 23:20 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central Standard Time | British Summer Time |
| UTC offset | UTC-6 | UTC+1 |
| Offset from Mexico City | — | +7 h |
| IANA zone | America/Mexico City | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:32 | 07:31 |
| Sunset | 18:13 | 18:10 |
| Daylight | 11 h 41 min | 10 h 39 min |
| People on this clock | 9,209,944 | 198,974 |
Compare Mexico City with another city
More comparisons with Mexico City: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mexico City and Portsmouth: common questions
How far ahead of Mexico City is Portsmouth?
Portsmouth is 7 hours ahead of Mexico City: UTC+1 against UTC−6.
If it is 9:00 AM in Mexico City, what time is it in Portsmouth?
At 9:00 AM in Mexico City, clocks in Portsmouth show 4:00 PM.
If it is 6:00 PM in Mexico City, what time is it in Portsmouth?
At 6:00 PM in Mexico City, clocks in Portsmouth show 1:00 AM (the next day).
When do working hours in Mexico City and in Portsmouth overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 11:00 AM in Mexico City, which is 4:00 PM to 6:00 PM in Portsmouth.
When is it already the next day in Portsmouth?
From 5:00 PM in Mexico City it is already the next day in Portsmouth. The other way round, until 7:00 AM in Portsmouth it is still the previous day in Mexico City.
Is the time difference between Mexico City and Portsmouth the same all year?
No. Only Portsmouth switches to summer time, so the gap changes twice a year. From October 25, 2026, Portsmouth will be 6 hours ahead of Mexico City.
