Montevideo to Mason, OH: time difference
Mason, OH is 1 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 08:37 8:37 AM Mason, OH 07:37 7:37 AM You –:–
08:37 8:37 AM
Uruguay Standard Time · UTC-3
☀️ 05:58 · 🌙 19:03
07:37 7:37 AM
Eastern Daylight Time · UTC-4
☀️ 07:52 · 🌙 18:54
·
−1 h
Mason, OH is 1 h behind Montevideo.
When you, Montevideo and Mason, OH 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
🇺🇸 Mason, OH
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
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Time zones side by side
| Detail | 🇺🇾 Montevideo | 🇺🇸 Mason, OH |
|---|---|---|
| Local time | 08:37 | 07:37 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Uruguay Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Montevideo | — | −1 h |
| IANA zone | America/Montevideo | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:58 | 07:52 |
| Sunset | 19:03 | 18:54 |
| Daylight | 13 h 5 min | 11 h 2 min |
| People on this clock | 1,319,108 | 35,000 |
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 Mason, OH: common questions
What is the time difference between Montevideo and Mason, OH?
Mason is 1 hour behind: it uses UTC−4, while Montevideo is on UTC−3.
If it is 9:00 AM in Montevideo, what time is it in Mason, OH?
At 9:00 AM in Montevideo, clocks in Mason show 8:00 AM.
What time is it in Mason, OH, at the end of the working day in Montevideo?
The working day in Montevideo ends at 6:00 PM; in Mason it is 5:00 PM at that moment.
When do working hours in Montevideo and in Mason, OH, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Montevideo, which is 9:00 AM to 5:00 PM in Mason.
Until what time in Montevideo is it still yesterday in Mason, OH?
Before 1:00 AM in Montevideo, the date in Mason has not changed yet. From 11:00 PM in Mason, it is already the next day in Montevideo.
Is the time difference between Montevideo and Mason, OH, the same all year?
No. Only Mason switches to summer time, so the gap changes twice a year. From November 1, 2026, Mason will be 2 hours behind Montevideo.
