Mexico City to Boulder, CO: time difference

Boulder, CO is 1 h behind Mexico City. Live clocks for both, the working hours they share, and how each one sits against your own time.

−1 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Mexico City 06:25 6:25 AM Boulder, CO 05:25 5:25 AM
Mexico City 06:25 6:25 AM Boulder, CO 05:25 5:25 AM You –:–
🇲🇽 Mexico City

06:25 6:25 AM

Central Standard Time · UTC-6

☀️ 06:41 · 🌙 18:01

🇺🇸 Boulder, CO

05:25 5:25 AM

Mountain Standard Time · UTC-7

☀️ 06:38 · 🌙 16:56

⇄ Difference

−1 h

Boulder, CO is 1 h behind Mexico City.

When you, Mexico City and Boulder, CO 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
🇺🇸 Boulder, CO
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
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇲🇽 Mexico City 🇺🇸 Boulder, CO
Local time 06:25 05:25
Local date Friday, November 6, 2026 Friday, November 6, 2026
Time zone Central Standard Time Mountain Standard Time
UTC offset UTC-6 UTC-7
Offset from Mexico City — −1 h
IANA zone America/Mexico City America/Denver
Daylight saving Not observed On standard time → UTC-6, Mar 14, 03:00
Sunrise 06:41 06:38
Sunset 18:01 16:56
Daylight 11 h 21 min 10 h 18 min
People on this clock 9,209,944 106,803

Compare Mexico City with another city

More comparisons with Mexico City: the time zones next to it and the far side of the clock.

Mexico City and Boulder, CO: common questions

How far behind Mexico City is Boulder, CO?
Boulder is 1 hour behind Mexico City: UTC−7 against UTC−6.
What time is it in Boulder, CO, when it is 9:00 AM in Mexico City?
When it is 9:00 AM in Mexico City, it is 8:00 AM in Boulder.
If it is 6:00 PM in Mexico City, what time is it in Boulder, CO?
At 6:00 PM in Mexico City, clocks in Boulder show 5:00 PM.
When do working hours in Mexico City and in Boulder, CO, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Mexico City, which is 9:00 AM to 5:00 PM in Boulder.
When does the date change in Boulder, CO, compared with Mexico City?
The new day starts in Boulder later: until 1:00 AM in Mexico City, it is still the previous day there. From 11:00 PM in Boulder, Mexico City is already on the next day.
Does the time gap between Mexico City and Boulder, CO, change during the year?
Yes – daylight saving time is used in Boulder but not in Mexico City. From March 14, 2027, Boulder and Mexico City will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?