New Castle, DE to Austin, TX: time difference
Austin, TX is 1 h behind New Castle, DE. 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.
New Castle, DE 22:12 10:12 PM Austin, TX 21:12 9:12 PM You –:–
22:12 10:12 PM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 18:16
21:12 9:12 PM
Central Daylight Time · UTC-5
☀️ 07:38 · 🌙 18:55
·
−1 h
Austin, TX is 1 h behind New Castle, DE.
When you, New Castle, DE 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
🇺🇸 New Castle, DE
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
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Time zones side by side
| Detail | 🇺🇸 New Castle, DE | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 22:12 | 21:12 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Central Daylight Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from New Castle, DE | — | −1 h |
| IANA zone | America/New York | America/Chicago |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:19 | 07:38 |
| Sunset | 18:16 | 18:55 |
| Daylight | 10 h 57 min | 11 h 17 min |
| People on this clock | 21,926 | 974,447 |
Compare New Castle, DE with another city
More comparisons with New Castle, DE: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
New Castle, DE and Austin, TX: common questions
What is the time difference between New Castle, DE, and Austin, TX?
Austin is 1 hour behind: it uses UTC−5, while New Castle is on UTC−4.
What time is it in Austin, TX, at the start of the working day in New Castle, DE?
The working day in New Castle starts at 9:00 AM; in Austin it is 8:00 AM at that moment.
What time is it in Austin, TX, at the end of the working day in New Castle, DE?
The working day in New Castle ends at 6:00 PM; in Austin it is 5:00 PM at that moment.
When do working hours in New Castle, DE, and in Austin, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in New Castle, which is 9:00 AM to 5:00 PM in Austin.
Until what time in New Castle, DE, is it still yesterday in Austin, TX?
Before 1:00 AM in New Castle, the date in Austin has not changed yet. From 11:00 PM in Austin, it is already the next day in New Castle.
Is the time difference between New Castle, DE, and Austin, TX, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
