Barcelona to Waltham, MA: time difference
Waltham, MA is 6 h behind Barcelona. 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.
Barcelona 13:30 1:30 PM Waltham, MA 07:30 7:30 AM You –:–
13:30 1:30 PM
Central European Summer Time · UTC+2
☀️ 08:07 · 🌙 19:08
07:30 7:30 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 18:00
·
−6 h
Waltham, MA is 6 h behind Barcelona.
When you, Barcelona and Waltham, 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
🇪🇸 Barcelona
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
🇺🇸 Waltham, MA
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇪🇸 Barcelona | 🇺🇸 Waltham, MA |
|---|---|---|
| Local time | 13:30 | 07:30 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central European Summer Time | Eastern Daylight Time |
| UTC offset | UTC+2 | UTC-4 |
| Offset from Barcelona | — | −6 h |
| IANA zone | Europe/Madrid | America/New York |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 08:07 | 07:02 |
| Sunset | 19:08 | 18:00 |
| Daylight | 11 h 1 min | 10 h 58 min |
| People on this clock | 1,660,122 | 60,636 |
Compare Barcelona with another city
More comparisons with Barcelona: the time zones next to it and the far side of the clock.
Big time differences
Barcelona and Waltham, MA: common questions
How many hours behind Barcelona is Waltham, MA?
The clocks in Waltham are 6 hours behind those in Barcelona (UTC−4 and UTC+2).
What time is it in Waltham, MA, when it is 9:00 AM in Barcelona?
When it is 9:00 AM in Barcelona, it is 3:00 AM in Waltham.
What time is it in Waltham, MA, when it is 6:00 PM in Barcelona?
When it is 6:00 PM in Barcelona, it is 12:00 PM in Waltham.
When is a good time to call Waltham, MA, from Barcelona?
Between 3:00 PM and 6:00 PM in Barcelona – that is 9:00 AM to 12:00 PM in Waltham – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Barcelona is it still yesterday in Waltham, MA?
Before 6:00 AM in Barcelona, the date in Waltham has not changed yet. From 6:00 PM in Waltham, it is already the next day in Barcelona.
Does the time difference between Barcelona and Waltham, MA, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Waltham will be 5 hours behind Barcelona.
