Austin, TX to Portsmouth, NH: time difference
Portsmouth, NH is 1 h ahead of Austin, TX. 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.
Austin, TX 03:14 3:14 AM Portsmouth, NH 04:14 4:14 AM You –:–
03:14 3:14 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:57
04:14 4:14 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 17:55
·
+1 h
Portsmouth, NH is 1 h ahead of Austin, TX.
When you, Austin, TX and Portsmouth, NH are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Austin, TX
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
🇺🇸 Portsmouth, NH
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
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇺🇸 Portsmouth, NH |
|---|---|---|
| Local time | 03:14 | 04:14 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-5 | UTC-4 |
| Offset from Austin, TX | — | +1 h |
| IANA zone | America/Chicago | America/New York |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:36 | 07:02 |
| Sunset | 18:57 | 17:55 |
| Daylight | 11 h 21 min | 10 h 54 min |
| People on this clock | 974,447 | 95,535 |
Compare Austin, TX with another city
More comparisons with Austin, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Austin, TX and Portsmouth, NH: common questions
What is the time difference between Austin, TX, and Portsmouth, NH?
Portsmouth is 1 hour ahead: it uses UTC−4, while Austin is on UTC−5.
If it is 9:00 AM in Austin, TX, what time is it in Portsmouth, NH?
At 9:00 AM in Austin, clocks in Portsmouth show 10:00 AM.
What time is it in Portsmouth, NH, when it is 6:00 PM in Austin, TX?
When it is 6:00 PM in Austin, it is 7:00 PM in Portsmouth.
When is a good time to call Portsmouth, NH, from Austin, TX?
Between 9:00 AM and 5:00 PM in Austin – that is 10:00 AM to 6:00 PM in Portsmouth – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Portsmouth, NH, compared with Austin, TX?
The new day starts in Portsmouth earlier: at 11:00 PM in Austin it is already midnight there. Until 1:00 AM in Portsmouth, Austin is still on the previous day.
Does the time difference between Austin, TX, and Portsmouth, NH, change?
No. The clocks in Austin and in Portsmouth change on the same dates, so the difference stays 1 hour.
