Acton, MA to Lisbon: time difference
Lisbon is 5 h ahead of Acton, MA. Live clocks for both, the working hours they share, and how each one sits against your own time.
+5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Acton, MA 20:24 8:24 PM Lisbon 01:24 1:24 AM You –:–
20:24 8:24 PM
Eastern Daylight Time · UTC-4
☀️ 06:52 · 🌙 18:15
01:24 1:24 AM
Western European Summer Time · UTC+1
☀️ 07:40 · 🌙 19:09
·
+5 h
Lisbon is 5 h ahead of Acton, MA.
When you, Acton, MA and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Acton, MA
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
🇵🇹 Lisbon
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 3 3 AM 4 4 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Acton, MA | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 20:24 | 01:24 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from Acton, MA | — | +5 h |
| IANA zone | America/New York | Europe/Lisbon |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:52 | 07:40 |
| Sunset | 18:15 | 19:09 |
| Daylight | 11 h 23 min | 11 h 29 min |
| People on this clock | 7,596 | 545,923 |
Compare Acton, MA with another city
More comparisons with Acton, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Acton, MA and Lisbon: common questions
How far ahead of Acton, MA, is Lisbon?
Lisbon is 5 hours ahead of Acton: UTC+1 against UTC−4.
What time is it in Lisbon at the start of the working day in Acton, MA?
The working day in Acton starts at 9:00 AM; in Lisbon it is 2:00 PM at that moment.
What time is it in Lisbon at the end of the working day in Acton, MA?
The working day in Acton ends at 6:00 PM; in Lisbon it is 11:00 PM at that moment.
When do working hours in Acton, MA, and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 1:00 PM in Acton, which is 2:00 PM to 6:00 PM in Lisbon.
When does the date change in Lisbon compared with Acton, MA?
The new day starts in Lisbon earlier: at 7:00 PM in Acton it is already midnight there. Until 5:00 AM in Lisbon, Acton is still on the previous day.
Does the time difference between Acton, MA, and Lisbon change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Lisbon will be 4 hours ahead of Acton.
