Austin, TX to Thornton, CO: time difference
Thornton, CO 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 16:48 4:48 PM Thornton, CO 15:48 3:48 PM You –:–
16:48 4:48 PM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:58
15:48 3:48 PM
Mountain Daylight Time · UTC-6
☀️ 07:14 · 🌙 18:17
·
−1 h
Thornton, CO is 1 h behind Austin, TX.
When you, Austin, TX and Thornton, CO 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
🇺🇸 Thornton, CO
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
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇺🇸 Thornton, CO |
|---|---|---|
| Local time | 16:48 | 15:48 |
| 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 | 07:14 |
| Sunset | 18:58 | 18:17 |
| Daylight | 11 h 22 min | 11 h 3 min |
| People on this clock | 974,447 | 139,478 |
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 Thornton, CO: common questions
How far behind Austin, TX, is Thornton, CO?
Thornton is 1 hour behind Austin: UTC−6 against UTC−5.
If it is 9:00 AM in Austin, TX, what time is it in Thornton, CO?
At 9:00 AM in Austin, clocks in Thornton show 8:00 AM.
What time is it in Thornton, CO, at the end of the working day in Austin, TX?
The working day in Austin ends at 6:00 PM; in Thornton it is 5:00 PM at that moment.
Is there a time when both Austin, TX, and Thornton, CO, are at work?
Yes: from 10:00 AM to 6:00 PM in Austin (9:00 AM to 5:00 PM in Thornton), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Thornton, CO, compared with Austin, TX?
The new day starts in Thornton later: until 1:00 AM in Austin, it is still the previous day there. From 11:00 PM in Thornton, Austin is already on the next day.
Is the time difference between Austin, TX, and Thornton, CO, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
