Montevideo to Boulder, CO: time difference
Boulder, CO is 3 h behind Montevideo. 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.
Montevideo 13:52 1:52 PM Boulder, CO 10:52 10:52 AM You –:–
13:52 1:52 PM
Uruguay Standard Time · UTC-3
☀️ 05:57 · 🌙 19:04
10:52 10:52 AM
Mountain Daylight Time · UTC-6
☀️ 07:19 · 🌙 18:17
·
−3 h
Boulder, CO is 3 h behind Montevideo.
When you, Montevideo 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
🇺🇾 Montevideo
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇾 Montevideo | 🇺🇸 Boulder, CO |
|---|---|---|
| Local time | 13:52 | 10:52 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Uruguay Standard Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Montevideo | — | −3 h |
| IANA zone | America/Montevideo | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:57 | 07:19 |
| Sunset | 19:04 | 18:17 |
| Daylight | 13 h 7 min | 10 h 58 min |
| People on this clock | 1,319,108 | 106,803 |
Compare Montevideo with another city
More comparisons with Montevideo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montevideo and Boulder, CO: common questions
How many hours behind Montevideo is Boulder, CO?
The clocks in Boulder are 3 hours behind those in Montevideo (UTC−6 and UTC−3).
What time is it in Boulder, CO, when it is 9:00 AM in Montevideo?
When it is 9:00 AM in Montevideo, it is 6:00 AM in Boulder.
If it is 6:00 PM in Montevideo, what time is it in Boulder, CO?
At 6:00 PM in Montevideo, clocks in Boulder show 3:00 PM.
When is a good time to call Boulder, CO, from Montevideo?
Between 12:00 PM and 6:00 PM in Montevideo – that is 9:00 AM to 3:00 PM in Boulder – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Boulder, CO?
Until 3:00 AM in Montevideo it is still the previous day in Boulder. The other way round, from 9:00 PM in Boulder it is already the next day in Montevideo.
Does the time difference between Montevideo and Boulder, CO, change?
Yes. The clocks change only in Boulder. From November 1, 2026, Boulder will be 4 hours behind Montevideo.
