Sierra Vista, AZ to Mexico City: time difference
Mexico City is 1 h ahead of Sierra Vista, AZ. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sierra Vista, AZ 00:39 12:39 AM Mexico City 01:39 1:39 AM You –:–
00:39 12:39 AM
Mountain Standard Time · UTC-7
☀️ 06:30 · 🌙 17:43
01:39 1:39 AM
Central Standard Time · UTC-6
☀️ 06:34 · 🌙 18:09
·
+1 h
Mexico City is 1 h ahead of Sierra Vista, AZ.
When you, Sierra Vista, AZ and Mexico City are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Sierra Vista, AZ
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
🇲🇽 Mexico City
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Sierra Vista, AZ | 🇲🇽 Mexico City |
|---|---|---|
| Local time | 00:39 | 01:39 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Mountain Standard Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Sierra Vista, AZ | — | +1 h |
| IANA zone | America/Phoenix | America/Mexico City |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:30 | 06:34 |
| Sunset | 17:43 | 18:09 |
| Daylight | 11 h 13 min | 11 h 35 min |
| People on this clock | 45,308 | 9,209,944 |
Compare Sierra Vista, AZ with another city
More comparisons with Sierra Vista, AZ: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sierra Vista, AZ and Mexico City: common questions
What is the time difference between Sierra Vista, AZ, and Mexico City?
Mexico City is 1 hour ahead: it uses UTC−6, while Sierra Vista is on UTC−7.
If it is 9:00 AM in Sierra Vista, AZ, what time is it in Mexico City?
At 9:00 AM in Sierra Vista, clocks in Mexico City show 10:00 AM.
What time is it in Mexico City when it is 6:00 PM in Sierra Vista, AZ?
When it is 6:00 PM in Sierra Vista, it is 7:00 PM in Mexico City.
When is a good time to call Mexico City from Sierra Vista, AZ?
Between 9:00 AM and 5:00 PM in Sierra Vista – that is 10:00 AM to 6:00 PM in Mexico City – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Mexico City compared with Sierra Vista, AZ?
The new day starts in Mexico City earlier: at 11:00 PM in Sierra Vista it is already midnight there. Until 1:00 AM in Mexico City, Sierra Vista is still on the previous day.
Does the time gap between Sierra Vista, AZ, and Mexico City change during the year?
No, the clocks change neither in Sierra Vista nor in Mexico City, so the gap is 1 hour all year round.
