Santiago to Acton, MA: time difference
Acton, MA is 1 h behind Santiago. 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.
Santiago 22:58 10:58 PM Acton, MA 21:58 9:58 PM You –:–
22:58 10:58 PM
Chile Summer Time · UTC-3
☀️ 07:10 · 🌙 19:51
21:58 9:58 PM
Eastern Daylight Time · UTC-4
☀️ 06:52 · 🌙 18:15
·
−1 h
Acton, MA is 1 h behind Santiago.
When you, Santiago and Acton, 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
🇨🇱 Santiago
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
🇺🇸 Acton, MA
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 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇱 Santiago | 🇺🇸 Acton, MA |
|---|---|---|
| Local time | 22:58 | 21:58 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Chile Summer Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Santiago | — | −1 h |
| IANA zone | America/Santiago | America/New York |
| Daylight saving | On summer time → UTC-4, Apr 3, 23:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:10 | 06:52 |
| Sunset | 19:51 | 18:15 |
| Daylight | 12 h 41 min | 11 h 23 min |
| People on this clock | 6,139,087 | 7,596 |
Compare Santiago with another city
More comparisons with Santiago: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Santiago and Acton, MA: common questions
What is the time difference between Santiago and Acton, MA?
Acton is 1 hour behind: it uses UTC−4, while Santiago is on UTC−3.
What time is it in Acton, MA, at the start of the working day in Santiago?
The working day in Santiago starts at 9:00 AM; in Acton it is 8:00 AM at that moment.
What time is it in Acton, MA, when it is 6:00 PM in Santiago?
When it is 6:00 PM in Santiago, it is 5:00 PM in Acton.
When is a good time to call Acton, MA, from Santiago?
Between 10:00 AM and 6:00 PM in Santiago – that is 9:00 AM to 5:00 PM in Acton – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Santiago is it still yesterday in Acton, MA?
Before 1:00 AM in Santiago, the date in Acton has not changed yet. From 11:00 PM in Acton, it is already the next day in Santiago.
Does the time difference between Santiago and Acton, MA, change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Acton will be 2 hours behind Santiago.
