Casper, WY to Austin, TX: time difference
Austin, TX is 1 h ahead of Casper, WY. 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.
Casper, WY 11:40 11:40 AM Austin, TX 12:40 12:40 PM You –:–
11:40 11:40 AM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
12:40 12:40 PM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:58
·
+1 h
Austin, TX is 1 h ahead of Casper, WY.
When you, Casper, WY 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
🇺🇸 Casper, WY
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
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 0 12 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Casper, WY | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 11:40 | 12:40 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Mountain Daylight Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Casper, WY | — | +1 h |
| IANA zone | America/Denver | America/Chicago |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:23 | 07:36 |
| Sunset | 18:19 | 18:58 |
| Daylight | 10 h 57 min | 11 h 22 min |
| People on this clock | 58,763 | 974,447 |
Compare Casper, WY with another city
More comparisons with Casper, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Casper, WY and Austin, TX: common questions
What is the time difference between Casper, WY, and Austin, TX?
Austin is 1 hour ahead: it uses UTC−5, while Casper is on UTC−6.
If it is 9:00 AM in Casper, WY, what time is it in Austin, TX?
At 9:00 AM in Casper, clocks in Austin show 10:00 AM.
If it is 6:00 PM in Casper, WY, what time is it in Austin, TX?
At 6:00 PM in Casper, clocks in Austin show 7:00 PM.
When do working hours in Casper, WY, and in Austin, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Casper, which is 10:00 AM to 6:00 PM in Austin.
When is it already the next day in Austin, TX?
From 11:00 PM in Casper, WY, it is already the next day in Austin. The other way round, until 1:00 AM in Austin it is still the previous day in Casper.
Is the time difference between Casper, WY, 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.
