Castries to Austin, TX: time difference
Austin, TX is 1 h behind Castries. 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.
Castries 23:15 11:15 PM Austin, TX 22:15 10:15 PM You –:–
23:15 11:15 PM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:49
22:15 10:15 PM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:08
·
−1 h
Austin, TX is 1 h behind Castries.
When you, Castries 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
🇱🇨 Castries
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
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
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Time zones side by side
| Detail | 🇱🇨 Castries | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 23:15 | 22:15 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Atlantic Standard Time | Central Daylight Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Castries | — | −1 h |
| IANA zone | America/St Lucia | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:55 | 07:30 |
| Sunset | 17:49 | 19:08 |
| Daylight | 11 h 54 min | 11 h 38 min |
| People on this clock | 22,000 | 974,447 |
Compare Castries with another city
More comparisons with Castries: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castries and Austin, TX: common questions
How far behind Castries is Austin, TX?
Austin is 1 hour behind Castries: UTC−5 against UTC−4.
If it is 9:00 AM in Castries, what time is it in Austin, TX?
At 9:00 AM in Castries, clocks in Austin show 8:00 AM.
If it is 6:00 PM in Castries, what time is it in Austin, TX?
At 6:00 PM in Castries, clocks in Austin show 5:00 PM.
Is there a time when both Castries and Austin, TX, are at work?
Yes: from 10:00 AM to 6:00 PM in Castries (9:00 AM to 5:00 PM in Austin), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Austin, TX, compared with Castries?
The new day starts in Austin later: until 1:00 AM in Castries, it is still the previous day there. From 11:00 PM in Austin, Castries is already on the next day.
Does the time gap between Castries and Austin, TX, change during the year?
Yes – daylight saving time is used in Austin but not in Castries. From November 1, 2026, Austin will be 2 hours behind Castries.
