Austin, TX to Casper, WY: time difference
Casper, WY is 1 h behind Austin, TX. 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.
Austin, TX 14:29 2:29 PM Casper, WY 13:29 1:29 PM You –:–
14:29 2:29 PM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:58
13:29 1:29 PM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
·
−1 h
Casper, WY is 1 h behind Austin, TX.
When you, Austin, TX and Casper, WY 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
🇺🇸 Casper, WY
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 | 🇺🇸 Austin, TX | 🇺🇸 Casper, WY |
|---|---|---|
| Local time | 14:29 | 13:29 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Austin, TX | — | −1 h |
| IANA zone | America/Chicago | America/Denver |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:36 | 07:23 |
| Sunset | 18:58 | 18:19 |
| Daylight | 11 h 22 min | 10 h 57 min |
| People on this clock | 974,447 | 58,763 |
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 Casper, WY: common questions
How far behind Austin, TX, is Casper, WY?
Casper is 1 hour behind Austin: UTC−6 against UTC−5.
What time is it in Casper, WY, when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 8:00 AM in Casper.
If it is 6:00 PM in Austin, TX, what time is it in Casper, WY?
At 6:00 PM in Austin, clocks in Casper show 5:00 PM.
When do working hours in Austin, TX, and in Casper, WY, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Austin, which is 9:00 AM to 5:00 PM in Casper.
Until what time in Austin, TX, is it still yesterday in Casper, WY?
Before 1:00 AM in Austin, the date in Casper has not changed yet. From 11:00 PM in Casper, it is already the next day in Austin.
Is the time difference between Austin, TX, and Casper, WY, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
