Austin, TX to Ontario, CA: time difference
Ontario, CA is 2 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 11:22 11:22 AM Ontario, CA 09:22 9:22 AM You –:–
11:22 11:22 AM
Central Daylight Time · UTC-5
☀️ 07:35 · 🌙 18:59
09:22 9:22 AM
Pacific Daylight Time · UTC-7
☀️ 06:58 · 🌙 18:15
·
−2 h
Ontario, CA is 2 h behind Austin, TX.
When you, Austin, TX and Ontario, CA 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
🇺🇸 Ontario, CA
22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇺🇸 Ontario, CA |
|---|---|---|
| Local time | 11:22 | 09:22 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-5 | UTC-7 |
| Offset from Austin, TX | — | −2 h |
| IANA zone | America/Chicago | America/Los Angeles |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:35 | 06:58 |
| Sunset | 18:59 | 18:15 |
| Daylight | 11 h 24 min | 11 h 17 min |
| People on this clock | 974,447 | 185,000 |
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 Ontario, CA: common questions
What is the time difference between Austin, TX, and Ontario, CA?
Ontario is 2 hours behind: it uses UTC−7, while Austin is on UTC−5.
If it is 9:00 AM in Austin, TX, what time is it in Ontario, CA?
At 9:00 AM in Austin, clocks in Ontario show 7:00 AM.
What time is it in Ontario, CA, when it is 6:00 PM in Austin, TX?
When it is 6:00 PM in Austin, it is 4:00 PM in Ontario.
Is there a time when both Austin, TX, and Ontario, CA, are at work?
Yes: from 11:00 AM to 6:00 PM in Austin (9:00 AM to 4:00 PM in Ontario), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Ontario, CA, compared with Austin, TX?
The new day starts in Ontario later: until 2:00 AM in Austin, it is still the previous day there. From 10:00 PM in Ontario, Austin is already on the next day.
Is the time difference between Austin, TX, and Ontario, CA, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 2 hours.
