Austin, TX to Castelo Branco: time difference
Castelo Branco 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.
🇵🇹 Castelo Branco, Portugal
59
- Western European Summer Time
- UTC+1
- Daytime
☀️ 07:45 · 🌙 18:46 · 11 h 2 min
+6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Austin, TX 09:00 9:00 AM Castelo Branco 15:00 3:00 PM You –:–
09:00 9:00 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:57
15:00 3:00 PM
Western European Summer Time · UTC+1
☀️ 07:45 · 🌙 18:46
·
+6 h
Castelo Branco is 6 h ahead of Austin, TX.
When you, Austin, TX and Castelo Branco 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
🇵🇹 Castelo Branco
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇵🇹 Castelo Branco |
|---|---|---|
| Local time | 09:00 | 15:00 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Western European Summer Time |
| UTC offset | UTC-5 | UTC+1 |
| Offset from Austin, TX | — | +6 h |
| IANA zone | America/Chicago | Europe/Lisbon |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:36 | 07:45 |
| Sunset | 18:57 | 18:46 |
| Daylight | 11 h 21 min | 11 h 2 min |
| People on this clock | 974,447 | 52,291 |
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 Castelo Branco: common questions
How many hours ahead of Austin, TX, is Castelo Branco?
The clocks in Castelo Branco are 6 hours ahead of those in Austin (UTC+1 and UTC−5).
What time is it in Castelo Branco when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 3:00 PM in Castelo Branco.
What time is it in Castelo Branco when it is 6:00 PM in Austin, TX?
When it is 6:00 PM in Austin, it is 12:00 AM (the next day) in Castelo Branco.
Is there a time when both Austin, TX, and Castelo Branco are at work?
Yes: from 9:00 AM to 12:00 PM in Austin (3:00 PM to 6:00 PM in Castelo Branco), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Castelo Branco?
From 6:00 PM in Austin, TX, it is already the next day in Castelo Branco. The other way round, until 6:00 AM in Castelo Branco it is still the previous day in Austin.
Does the time difference between Austin, TX, and Castelo Branco change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Castelo Branco will be 5 hours ahead of Austin.
