Portsmouth to Austin, TX: time difference
Austin, TX is 6 h behind Portsmouth. 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 20:12 8:12 PM Austin, TX 14:12 2:12 PM You –:–
20:12 8:12 PM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:10
14:12 2:12 PM
Central Daylight Time · UTC-5
☀️ 07:35 · 🌙 18:59
·
−6 h
Austin, TX is 6 h behind Portsmouth.
When you, Portsmouth and Austin, TX 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
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
🇺🇸 Austin, TX
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 Portsmouth | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 20:12 | 14:12 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | British Summer Time | Central Daylight Time |
| UTC offset | UTC+1 | UTC-5 |
| Offset from Portsmouth | — | −6 h |
| IANA zone | Europe/London | America/Chicago |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:31 | 07:35 |
| Sunset | 18:10 | 18:59 |
| Daylight | 10 h 39 min | 11 h 24 min |
| People on this clock | 198,974 | 974,447 |
Compare Portsmouth with another city
More comparisons with Portsmouth: the time zones next to it and the far side of the clock.
Big time differences
Portsmouth and Austin, TX: common questions
What is the time difference between Portsmouth and Austin, TX?
Austin is 6 hours behind: it uses UTC−5, while Portsmouth is on UTC+1.
If it is 9:00 AM in Portsmouth, what time is it in Austin, TX?
At 9:00 AM in Portsmouth, clocks in Austin show 3:00 AM.
What time is it in Austin, TX, at the end of the working day in Portsmouth?
The working day in Portsmouth ends at 6:00 PM; in Austin it is 12:00 PM at that moment.
When do working hours in Portsmouth and in Austin, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Portsmouth, which is 9:00 AM to 12:00 PM in Austin.
When does the date change in Austin, TX, compared with Portsmouth?
The new day starts in Austin later: until 6:00 AM in Portsmouth, it is still the previous day there. From 6:00 PM in Austin, Portsmouth is already on the next day.
Does the time difference between Portsmouth and Austin, TX, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Austin will be 5 hours behind Portsmouth.
