Lisbon to Northampton, MA: time difference
Northampton, MA is 4 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 21:00 9:00 PM Northampton, MA 17:00 5:00 PM You –:–
21:00 9:00 PM
Western European Standard Time · UTC+0
☀️ 06:59 · 🌙 17:43
17:00 5:00 PM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 17:51
·
−4 h
Northampton, MA is 4 h behind Lisbon.
When you, Lisbon and Northampton, 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
🇺🇸 Northampton, MA
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 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Northampton, MA |
|---|---|---|
| Local time | 21:00 | 17:00 |
| Local date | Wednesday, October 28, 2026 | Wednesday, October 28, 2026 |
| Time zone | Western European Standard Time | Eastern Daylight Time |
| UTC offset | UTC+0 | UTC-4 |
| Offset from Lisbon | — | −4 h |
| IANA zone | Europe/Lisbon | America/New York |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:59 | 07:19 |
| Sunset | 17:43 | 17:51 |
| Daylight | 10 h 43 min | 10 h 31 min |
| People on this clock | 545,923 | 28,549 |
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 Northampton, MA: common questions
How many hours behind Lisbon is Northampton, MA?
The clocks in Northampton are 4 hours behind those in Lisbon (UTC−4 and UTC+0).
If it is 9:00 AM in Lisbon, what time is it in Northampton, MA?
At 9:00 AM in Lisbon, clocks in Northampton show 5:00 AM.
What time is it in Northampton, MA, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 2:00 PM in Northampton.
When do working hours in Lisbon and in Northampton, MA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 2:00 PM in Northampton.
When is it still the previous day in Northampton, MA?
Until 4:00 AM in Lisbon it is still the previous day in Northampton. The other way round, from 8:00 PM in Northampton it is already the next day in Lisbon.
Does the time difference between Lisbon and Northampton, MA, change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Northampton will be 5 hours behind Lisbon.
