Portsmouth, NH to Montevideo: time difference
Montevideo is 1 h ahead of Portsmouth, NH. 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.
Portsmouth, NH 04:14 4:14 AM Montevideo 05:14 5:14 AM You –:–
04:14 4:14 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 17:55
05:14 5:14 AM
Uruguay Standard Time · UTC-3
☀️ 05:58 · 🌙 19:03
·
+1 h
Montevideo is 1 h ahead of Portsmouth, NH.
When you, Portsmouth, NH 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
🇺🇸 Portsmouth, NH
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
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- Working hours
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Time zones side by side
| Detail | 🇺🇸 Portsmouth, NH | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 04:14 | 05:14 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Uruguay Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Portsmouth, NH | — | +1 h |
| IANA zone | America/New York | America/Montevideo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:02 | 05:58 |
| Sunset | 17:55 | 19:03 |
| Daylight | 10 h 54 min | 13 h 5 min |
| People on this clock | 95,535 | 1,319,108 |
Compare Portsmouth, NH with another city
More comparisons with Portsmouth, NH: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Portsmouth, NH and Montevideo: common questions
What is the time difference between Portsmouth, NH, and Montevideo?
Montevideo is 1 hour ahead: it uses UTC−3, while Portsmouth is on UTC−4.
What time is it in Montevideo at the start of the working day in Portsmouth, NH?
The working day in Portsmouth starts at 9:00 AM; in Montevideo it is 10:00 AM at that moment.
What time is it in Montevideo when it is 6:00 PM in Portsmouth, NH?
When it is 6:00 PM in Portsmouth, it is 7:00 PM in Montevideo.
When is a good time to call Montevideo from Portsmouth, NH?
Between 9:00 AM and 5:00 PM in Portsmouth – 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 Portsmouth, NH?
The new day starts in Montevideo earlier: at 11:00 PM in Portsmouth it is already midnight there. Until 1:00 AM in Montevideo, Portsmouth is still on the previous day.
Is the time difference between Portsmouth, NH, and Montevideo the same all year?
No. Only Portsmouth switches to summer time, so the gap changes twice a year. From November 1, 2026, Montevideo will be 2 hours ahead of Portsmouth.
