Islip, NY to Montevideo: time difference
Montevideo is 1 h ahead of Islip, NY. 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.
Islip, NY 00:18 12:18 AM Montevideo 01:18 1:18 AM You –:–
00:18 12:18 AM
Eastern Daylight Time · UTC-4
☀️ 07:07 · 🌙 18:11
01:18 1:18 AM
Uruguay Standard Time · UTC-3
☀️ 05:59 · 🌙 19:02
·
+1 h
Montevideo is 1 h ahead of Islip, NY.
When you, Islip, NY 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
🇺🇸 Islip, NY
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 | 🇺🇸 Islip, NY | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 00:18 | 01:18 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Uruguay Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Islip, NY | — | +1 h |
| IANA zone | America/New York | America/Montevideo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:07 | 05:59 |
| Sunset | 18:11 | 19:02 |
| Daylight | 11 h 4 min | 13 h 3 min |
| People on this clock | 339,938 | 1,319,108 |
Compare Islip, NY with another city
More comparisons with Islip, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Islip, NY and Montevideo: common questions
What is the time difference between Islip, NY, and Montevideo?
Montevideo is 1 hour ahead: it uses UTC−3, while Islip is on UTC−4.
If it is 9:00 AM in Islip, NY, what time is it in Montevideo?
At 9:00 AM in Islip, clocks in Montevideo show 10:00 AM.
What time is it in Montevideo when it is 6:00 PM in Islip, NY?
When it is 6:00 PM in Islip, it is 7:00 PM in Montevideo.
Is there a time when both Islip, NY, and Montevideo are at work?
Yes: from 9:00 AM to 5:00 PM in Islip (10:00 AM to 6:00 PM in Montevideo), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Montevideo compared with Islip, NY?
The new day starts in Montevideo earlier: at 11:00 PM in Islip it is already midnight there. Until 1:00 AM in Montevideo, Islip is still on the previous day.
Does the time gap between Islip, NY, and Montevideo change during the year?
Yes – daylight saving time is used in Islip but not in Montevideo. From November 1, 2026, Montevideo will be 2 hours ahead of Islip.
