San Jose to Acton, MA: time difference
Acton, MA is 1 h ahead of San Jose. 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.
San Jose 18:29 6:29 PM Acton, MA 19:29 7:29 PM You –:–
18:29 6:29 PM
Central Standard Time · UTC-6
☀️ 05:28 · 🌙 17:13
19:29 7:29 PM
Eastern Standard Time · UTC-5
☀️ 06:25 · 🌙 16:35
·
+1 h
Acton, MA is 1 h ahead of San Jose.
When you, San Jose 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
🇨🇷 San Jose
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇷 San Jose | 🇺🇸 Acton, MA |
|---|---|---|
| Local time | 18:29 | 19:29 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Central Standard Time | Eastern Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from San Jose | — | +1 h |
| IANA zone | America/Costa Rica | America/New York |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 05:28 | 06:25 |
| Sunset | 17:13 | 16:35 |
| Daylight | 11 h 44 min | 10 h 10 min |
| People on this clock | 342,188 | 7,596 |
Compare San Jose with another city
More comparisons with San Jose: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Jose and Acton, MA: common questions
How many hours ahead of San Jose is Acton, MA?
The clocks in Acton are 1 hour ahead of those in San Jose (UTC−5 and UTC−6).
What time is it in Acton, MA, at the start of the working day in San Jose?
The working day in San Jose starts at 9:00 AM; in Acton it is 10:00 AM at that moment.
What time is it in Acton, MA, at the end of the working day in San Jose?
The working day in San Jose ends at 6:00 PM; in Acton it is 7:00 PM at that moment.
Is there a time when both San Jose and Acton, MA, are at work?
Yes: from 9:00 AM to 5:00 PM in San Jose (10:00 AM to 6:00 PM in Acton), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Acton, MA, compared with San Jose?
The new day starts in Acton earlier: at 11:00 PM in San Jose it is already midnight there. Until 1:00 AM in Acton, San Jose is still on the previous day.
Does the time difference between San Jose and Acton, MA, change?
Yes. The clocks change only in Acton. From March 14, 2027, Acton will be 2 hours ahead of San Jose.
