Cambridge, MA to Lisbon: time difference
Lisbon is 5 h ahead of Cambridge, 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.
Cambridge, MA 12:45 12:45 PM Lisbon 17:45 5:45 PM You –:–
12:45 12:45 PM
Eastern Daylight Time · UTC-4
☀️ 07:01 · 🌙 17:59
17:45 5:45 PM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
·
+5 h
Lisbon is 5 h ahead of Cambridge, MA.
When you, Cambridge, 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
🇺🇸 Cambridge, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Cambridge, MA | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 12:45 | 17:45 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from Cambridge, 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 | 07:01 | 07:49 |
| Sunset | 17:59 | 18:56 |
| Daylight | 10 h 58 min | 11 h 7 min |
| People on this clock | 105,162 | 545,923 |
Compare Cambridge, MA with another city
More comparisons with Cambridge, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cambridge, MA and Lisbon: common questions
How many hours ahead of Cambridge, MA, is Lisbon?
The clocks in Lisbon are 5 hours ahead of those in Cambridge (UTC+1 and UTC−4).
What time is it in Lisbon at the start of the working day in Cambridge, MA?
The working day in Cambridge starts at 9:00 AM; in Lisbon it is 2:00 PM at that moment.
What time is it in Lisbon when it is 6:00 PM in Cambridge, MA?
When it is 6:00 PM in Cambridge, it is 11:00 PM in Lisbon.
When is a good time to call Lisbon from Cambridge, MA?
Between 9:00 AM and 1:00 PM in Cambridge – that is 2:00 PM to 6:00 PM in Lisbon – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Lisbon compared with Cambridge, MA?
The new day starts in Lisbon earlier: at 7:00 PM in Cambridge it is already midnight there. Until 5:00 AM in Lisbon, Cambridge is still on the previous day.
Does the time gap between Cambridge, MA, and Lisbon change during the year?
Yes, because the clocks in Cambridge and in Lisbon change on different dates. Next change: from October 25, 2026, Lisbon will be 4 hours ahead of Cambridge.
