Santiago to Waltham, MA: time difference
Waltham, 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 08:31 8:31 AM Waltham, MA 07:31 7:31 AM You –:–
08:31 8:31 AM
Chile Summer Time · UTC-3
☀️ 06:59 · 🌙 19:58
07:31 7:31 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 18:00
·
−1 h
Waltham, MA is 1 h behind Santiago.
When you, Santiago 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
🇨🇱 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
🇺🇸 Waltham, 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 | 🇺🇸 Waltham, MA |
|---|---|---|
| Local time | 08:31 | 07:31 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 06:59 | 07:02 |
| Sunset | 19:58 | 18:00 |
| Daylight | 13 h | 10 h 58 min |
| People on this clock | 6,139,087 | 60,636 |
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 Waltham, MA: common questions
What is the time difference between Santiago and Waltham, MA?
Waltham is 1 hour behind: it uses UTC−4, while Santiago is on UTC−3.
If it is 9:00 AM in Santiago, what time is it in Waltham, MA?
At 9:00 AM in Santiago, clocks in Waltham show 8:00 AM.
What time is it in Waltham, MA, when it is 6:00 PM in Santiago?
When it is 6:00 PM in Santiago, it is 5:00 PM in Waltham.
When do working hours in Santiago and in Waltham, MA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Santiago, which is 9:00 AM to 5:00 PM in Waltham.
When is it still the previous day in Waltham, MA?
Until 1:00 AM in Santiago it is still the previous day in Waltham. The other way round, from 11:00 PM in Waltham it is already the next day in Santiago.
Does the time difference between Santiago and Waltham, MA, change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Waltham will be 2 hours behind Santiago.
