Mexico City to Fontana, CA: time difference
Fontana, CA is 1 h behind Mexico City. 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.
Mexico City 16:29 4:29 PM Fontana, CA 15:29 3:29 PM You –:–
16:29 4:29 PM
Central Standard Time · UTC-6
☀️ 06:33 · 🌙 18:11
15:29 3:29 PM
Pacific Daylight Time · UTC-7
☀️ 07:00 · 🌙 18:11
·
−1 h
Fontana, CA is 1 h behind Mexico City.
When you, Mexico City and Fontana, CA 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
🇺🇸 Fontana, CA
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇺🇸 Fontana, CA |
|---|---|---|
| Local time | 16:29 | 15:29 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Standard Time | Pacific Daylight Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from Mexico City | — | −1 h |
| IANA zone | America/Mexico City | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 06:33 | 07:00 |
| Sunset | 18:11 | 18:11 |
| Daylight | 11 h 38 min | 11 h 11 min |
| People on this clock | 9,209,944 | 210,000 |
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 Fontana, CA: common questions
How far behind Mexico City is Fontana, CA?
Fontana is 1 hour behind Mexico City: UTC−7 against UTC−6.
What time is it in Fontana, CA, when it is 9:00 AM in Mexico City?
When it is 9:00 AM in Mexico City, it is 8:00 AM in Fontana.
If it is 6:00 PM in Mexico City, what time is it in Fontana, CA?
At 6:00 PM in Mexico City, clocks in Fontana show 5:00 PM.
When is a good time to call Fontana, CA, from Mexico City?
Between 10:00 AM and 6:00 PM in Mexico City – that is 9:00 AM to 5:00 PM in Fontana – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Mexico City is it still yesterday in Fontana, CA?
Before 1:00 AM in Mexico City, the date in Fontana has not changed yet. From 11:00 PM in Fontana, it is already the next day in Mexico City.
Does the time difference between Mexico City and Fontana, CA, change?
Yes. The clocks change only in Fontana. From November 1, 2026, Fontana will be 2 hours behind Mexico City.
