Lisbon to Newton, MA: time difference
Newton, MA is 5 h behind Lisbon. 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.
Lisbon 15:00 3:00 PM Newton, MA 10:00 10:00 AM You –:–
15:00 3:00 PM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
10:00 10:00 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 18:00
·
−5 h
Newton, MA is 5 h behind Lisbon.
When you, Lisbon and Newton, MA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇺🇸 Newton, MA
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Newton, MA |
|---|---|---|
| Local time | 15:00 | 10:00 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Western European Summer Time | Eastern Daylight Time |
| UTC offset | UTC+1 | UTC-4 |
| Offset from Lisbon | — | −5 h |
| IANA zone | Europe/Lisbon | America/New York |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:49 | 07:02 |
| Sunset | 18:56 | 18:00 |
| Daylight | 11 h 7 min | 10 h 58 min |
| People on this clock | 545,923 | 85,146 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Newton, MA: common questions
How many hours behind Lisbon is Newton, MA?
The clocks in Newton are 5 hours behind those in Lisbon (UTC−4 and UTC+1).
If it is 9:00 AM in Lisbon, what time is it in Newton, MA?
At 9:00 AM in Lisbon, clocks in Newton show 4:00 AM.
What time is it in Newton, MA, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Newton it is 1:00 PM at that moment.
When is a good time to call Newton, MA, from Lisbon?
Between 2:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 1:00 PM in Newton – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Newton, MA, compared with Lisbon?
The new day starts in Newton later: until 5:00 AM in Lisbon, it is still the previous day there. From 7:00 PM in Newton, Lisbon is already on the next day.
Does the time difference between Lisbon and Newton, MA, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Newton will be 4 hours behind Lisbon.
