Upper Marlboro, MD to Montevideo: time difference
Montevideo is 1 h ahead of Upper Marlboro, MD. 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.
Upper Marlboro, MD 15:00 3:00 PM Montevideo 16:00 4:00 PM You –:–
15:00 3:00 PM
Eastern Daylight Time · UTC-4
☀️ 07:30 · 🌙 18:13
16:00 4:00 PM
Uruguay Standard Time · UTC-3
☀️ 05:48 · 🌙 19:11
·
+1 h
Montevideo is 1 h ahead of Upper Marlboro, MD.
When you, Upper Marlboro, MD 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
🇺🇸 Upper Marlboro, MD
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
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
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Time zones side by side
| Detail | 🇺🇸 Upper Marlboro, MD | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 15:00 | 16:00 |
| Local date | Wednesday, October 28, 2026 | Wednesday, October 28, 2026 |
| Time zone | Eastern Daylight Time | Uruguay Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Upper Marlboro, MD | — | +1 h |
| IANA zone | America/New York | America/Montevideo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:30 | 05:48 |
| Sunset | 18:13 | 19:11 |
| Daylight | 10 h 42 min | 13 h 23 min |
| People on this clock | 700 | 1,319,108 |
Compare Upper Marlboro, MD with another city
More comparisons with Upper Marlboro, MD: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Upper Marlboro, MD and Montevideo: common questions
What is the time difference between Upper Marlboro, MD, and Montevideo?
Montevideo is 1 hour ahead: it uses UTC−3, while Upper Marlboro is on UTC−4.
What time is it in Montevideo when it is 9:00 AM in Upper Marlboro, MD?
When it is 9:00 AM in Upper Marlboro, it is 10:00 AM in Montevideo.
If it is 6:00 PM in Upper Marlboro, MD, what time is it in Montevideo?
At 6:00 PM in Upper Marlboro, clocks in Montevideo show 7:00 PM.
When is a good time to call Montevideo from Upper Marlboro, MD?
Between 9:00 AM and 5:00 PM in Upper Marlboro – that is 10:00 AM to 6:00 PM in Montevideo – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Montevideo compared with Upper Marlboro, MD?
The new day starts in Montevideo earlier: at 11:00 PM in Upper Marlboro it is already midnight there. Until 1:00 AM in Montevideo, Upper Marlboro is still on the previous day.
Does the time difference between Upper Marlboro, MD, and Montevideo change?
Yes. The clocks change only in Upper Marlboro. From November 1, 2026, Montevideo will be 2 hours ahead of Upper Marlboro.
