Portsmouth, NH to San Jose: time difference
San Jose is 1 h behind Portsmouth, NH. 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.
Portsmouth, NH 11:30 11:30 AM San Jose 10:30 10:30 AM You –:–
11:30 11:30 AM
Eastern Standard Time · UTC-5
☀️ 06:25 · 🌙 16:30
10:30 10:30 AM
Central Standard Time · UTC-6
☀️ 05:29 · 🌙 17:13
·
−1 h
San Jose is 1 h behind Portsmouth, NH.
When you, Portsmouth, NH and San Jose are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Portsmouth, NH
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
🇨🇷 San Jose
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
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Time zones side by side
| Detail | 🇺🇸 Portsmouth, NH | 🇨🇷 San Jose |
|---|---|---|
| Local time | 11:30 | 10:30 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern Standard Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Portsmouth, NH | — | −1 h |
| IANA zone | America/New York | America/Costa Rica |
| Daylight saving | On standard time → UTC-4, Mar 14, 03:00 | Not observed |
| Sunrise | 06:25 | 05:29 |
| Sunset | 16:30 | 17:13 |
| Daylight | 10 h 6 min | 11 h 44 min |
| People on this clock | 95,535 | 342,188 |
Compare Portsmouth, NH with another city
More comparisons with Portsmouth, NH: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Portsmouth, NH and San Jose: common questions
What is the time difference between Portsmouth, NH, and San Jose?
San Jose is 1 hour behind: it uses UTC−6, while Portsmouth is on UTC−5.
If it is 9:00 AM in Portsmouth, NH, what time is it in San Jose?
At 9:00 AM in Portsmouth, clocks in San Jose show 8:00 AM.
What time is it in San Jose at the end of the working day in Portsmouth, NH?
The working day in Portsmouth ends at 6:00 PM; in San Jose it is 5:00 PM at that moment.
Is there a time when both Portsmouth, NH, and San Jose are at work?
Yes: from 10:00 AM to 6:00 PM in Portsmouth (9:00 AM to 5:00 PM in San Jose), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in San Jose compared with Portsmouth, NH?
The new day starts in San Jose later: until 1:00 AM in Portsmouth, it is still the previous day there. From 11:00 PM in San Jose, Portsmouth is already on the next day.
Does the time difference between Portsmouth, NH, and San Jose change?
Yes. The clocks change only in Portsmouth. From March 14, 2027, San Jose will be 2 hours behind Portsmouth.
