Mexico City to Viana do Castelo: time difference
Viana do Castelo 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.
🇵🇹 Viana do Castelo, Portugal
20
- Western European Summer Time
- UTC+1
- Daytime
☀️ 07:51 · 🌙 18:51 · 11 h
+7 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Mexico City 09:02 9:02 AM Viana do Castelo 16:02 4:02 PM You –:–
09:02 9:02 AM
Central Standard Time · UTC-6
☀️ 06:32 · 🌙 18:12
16:02 4:02 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:51
·
+7 h
Viana do Castelo is 7 h ahead of Mexico City.
When you, Mexico City and Viana do Castelo 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
🇵🇹 Viana do Castelo
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
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇵🇹 Viana do Castelo |
|---|---|---|
| Local time | 09:02 | 16:02 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Standard Time | Western European Summer Time |
| UTC offset | UTC-6 | UTC+1 |
| Offset from Mexico City | — | +7 h |
| IANA zone | America/Mexico City | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:32 | 07:51 |
| Sunset | 18:12 | 18:51 |
| Daylight | 11 h 40 min | 11 h |
| People on this clock | 9,209,944 | 85,784 |
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 Viana do Castelo: common questions
What is the time difference between Mexico City and Viana do Castelo?
Viana do Castelo is 7 hours ahead: it uses UTC+1, while Mexico City is on UTC−6.
What time is it in Viana do Castelo at the start of the working day in Mexico City?
The working day in Mexico City starts at 9:00 AM; in Viana do Castelo it is 4:00 PM at that moment.
What time is it in Viana do Castelo when it is 6:00 PM in Mexico City?
When it is 6:00 PM in Mexico City, it is 1:00 AM (the next day) in Viana do Castelo.
Is there a time when both Mexico City and Viana do Castelo are at work?
Yes: from 9:00 AM to 11:00 AM in Mexico City (4:00 PM to 6:00 PM in Viana do Castelo), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Viana do Castelo?
From 5:00 PM in Mexico City it is already the next day in Viana do Castelo. The other way round, until 7:00 AM in Viana do Castelo it is still the previous day in Mexico City.
Is the time difference between Mexico City and Viana do Castelo the same all year?
No. Only Viana do Castelo switches to summer time, so the gap changes twice a year. From October 25, 2026, Viana do Castelo will be 6 hours ahead of Mexico City.
