Austin, TX to Portsmouth: time difference
Portsmouth is 6 h ahead of Austin, TX. Live clocks for both, the working hours they share, and how each one sits against your own time.
+6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Austin, TX 17:08 5:08 PM Portsmouth 23:08 11:08 PM You –:–
17:08 5:08 PM
Central Daylight Time · UTC-5
☀️ 07:35 · 🌙 18:59
23:08 11:08 PM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:10
·
+6 h
Portsmouth is 6 h ahead of Austin, TX.
When you, Austin, TX and Portsmouth 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
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 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇬🇧 Portsmouth |
|---|---|---|
| Local time | 17:08 | 23:08 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central Daylight Time | British Summer Time |
| UTC offset | UTC-5 | UTC+1 |
| Offset from Austin, TX | — | +6 h |
| IANA zone | America/Chicago | Europe/London |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:35 | 07:31 |
| Sunset | 18:59 | 18:10 |
| Daylight | 11 h 24 min | 10 h 39 min |
| People on this clock | 974,447 | 198,974 |
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: common questions
How many hours ahead of Austin, TX, is Portsmouth?
The clocks in Portsmouth are 6 hours ahead of those in Austin (UTC+1 and UTC−5).
What time is it in Portsmouth when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 3:00 PM in Portsmouth.
What time is it in Portsmouth at the end of the working day in Austin, TX?
The working day in Austin ends at 6:00 PM; in Portsmouth it is 12:00 AM (the next day) at that moment.
When is a good time to call Portsmouth from Austin, TX?
Between 9:00 AM and 12:00 PM in Austin – that is 3:00 PM to 6:00 PM in Portsmouth – both places are within working hours (9:00 AM–6:00 PM).
From what time in Austin, TX, is it tomorrow in Portsmouth?
Once it is 6:00 PM in Austin, the date in Portsmouth has already changed. Until 6:00 AM in Portsmouth, it is still the previous day in Austin.
Does the time gap between Austin, TX, and Portsmouth change during the year?
Yes, because the clocks in Austin and in Portsmouth change on different dates. Next change: from October 25, 2026, Portsmouth will be 5 hours ahead of Austin.
