Boulder, CO to Mexico City: time difference
Mexico City is 1 h ahead of Boulder, CO. 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.
Boulder, CO 19:50 7:50 PM Mexico City 20:50 8:50 PM You –:–
19:50 7:50 PM
Mountain Standard Time · UTC-7
☀️ 06:37 · 🌙 16:57
20:50 8:50 PM
Central Standard Time · UTC-6
☀️ 06:40 · 🌙 18:02
·
+1 h
Mexico City is 1 h ahead of Boulder, CO.
When you, Boulder, CO 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
🇺🇸 Boulder, CO
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 | 🇺🇸 Boulder, CO | 🇲🇽 Mexico City |
|---|---|---|
| Local time | 19:50 | 20:50 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Mountain Standard Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Boulder, CO | — | +1 h |
| IANA zone | America/Denver | America/Mexico City |
| Daylight saving | On standard time → UTC-6, Mar 14, 03:00 | Not observed |
| Sunrise | 06:37 | 06:40 |
| Sunset | 16:57 | 18:02 |
| Daylight | 10 h 20 min | 11 h 22 min |
| People on this clock | 106,803 | 9,209,944 |
Compare Boulder, CO with another city
More comparisons with Boulder, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Boulder, CO and Mexico City: common questions
How many hours ahead of Boulder, CO, is Mexico City?
The clocks in Mexico City are 1 hour ahead of those in Boulder (UTC−6 and UTC−7).
What time is it in Mexico City when it is 9:00 AM in Boulder, CO?
When it is 9:00 AM in Boulder, it is 10:00 AM in Mexico City.
What time is it in Mexico City when it is 6:00 PM in Boulder, CO?
When it is 6:00 PM in Boulder, it is 7:00 PM in Mexico City.
Is there a time when both Boulder, CO, and Mexico City are at work?
Yes: from 9:00 AM to 5:00 PM in Boulder (10:00 AM to 6:00 PM in Mexico City), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Mexico City compared with Boulder, CO?
The new day starts in Mexico City earlier: at 11:00 PM in Boulder it is already midnight there. Until 1:00 AM in Mexico City, Boulder is still on the previous day.
Does the time gap between Boulder, CO, and Mexico City change during the year?
Yes – daylight saving time is used in Boulder but not in Mexico City. From March 14, 2027, Mexico City and Boulder will have the same time.
