Boulder, CO to Montevideo: time difference
Montevideo is 3 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 06:25 6:25 AM Montevideo 09:25 9:25 AM You –:–
06:25 6:25 AM
Mountain Daylight Time · UTC-6
☀️ 07:19 · 🌙 18:17
09:25 9:25 AM
Uruguay Standard Time · UTC-3
☀️ 05:57 · 🌙 19:04
·
+3 h
Montevideo is 3 h ahead of Boulder, CO.
When you, Boulder, CO and Montevideo 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
🇺🇾 Montevideo
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Boulder, CO | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 06:25 | 09:25 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Mountain Daylight Time | Uruguay Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Boulder, CO | — | +3 h |
| IANA zone | America/Denver | America/Montevideo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:19 | 05:57 |
| Sunset | 18:17 | 19:04 |
| Daylight | 10 h 58 min | 13 h 7 min |
| People on this clock | 106,803 | 1,319,108 |
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 Montevideo: common questions
How far ahead of Boulder, CO, is Montevideo?
Montevideo is 3 hours ahead of Boulder: UTC−3 against UTC−6.
What time is it in Montevideo when it is 9:00 AM in Boulder, CO?
When it is 9:00 AM in Boulder, it is 12:00 PM in Montevideo.
If it is 6:00 PM in Boulder, CO, what time is it in Montevideo?
At 6:00 PM in Boulder, clocks in Montevideo show 9:00 PM.
Is there a time when both Boulder, CO, and Montevideo are at work?
Yes: from 9:00 AM to 3:00 PM in Boulder (12:00 PM to 6:00 PM in Montevideo), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Montevideo?
From 9:00 PM in Boulder, CO, it is already the next day in Montevideo. The other way round, until 3:00 AM in Montevideo it is still the previous day in Boulder.
Is the time difference between Boulder, CO, and Montevideo the same all year?
No. Only Boulder switches to summer time, so the gap changes twice a year. From November 1, 2026, Montevideo will be 4 hours ahead of Boulder.
