Ontario, CA to New York, NY: time difference
New York, NY is 3 h ahead of Ontario, CA. 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.
Ontario, CA 16:45 4:45 PM New York, NY 19:45 7:45 PM You –:–
16:45 4:45 PM
Pacific Daylight Time · UTC-7
☀️ 06:58 · 🌙 18:15
19:45 7:45 PM
Eastern Daylight Time · UTC-4
☀️ 07:10 · 🌙 18:15
·
+3 h
New York, NY is 3 h ahead of Ontario, CA.
When you, Ontario, CA and New York, NY are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Ontario, CA
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
🇺🇸 New York, NY
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Ontario, CA | 🇺🇸 New York, NY |
|---|---|---|
| Local time | 16:45 | 19:45 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Ontario, CA | — | +3 h |
| IANA zone | America/Los Angeles | America/New York |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:58 | 07:10 |
| Sunset | 18:15 | 18:15 |
| Daylight | 11 h 17 min | 11 h 5 min |
| People on this clock | 185,000 | 8,804,190 |
Compare Ontario, CA with another city
More comparisons with Ontario, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ontario, CA and New York, NY: common questions
How far ahead of Ontario, CA, is New York, NY?
New York is 3 hours ahead of Ontario: UTC−4 against UTC−7.
What time is it in New York, NY, when it is 9:00 AM in Ontario, CA?
When it is 9:00 AM in Ontario, it is 12:00 PM in New York.
If it is 6:00 PM in Ontario, CA, what time is it in New York, NY?
At 6:00 PM in Ontario, clocks in New York show 9:00 PM.
When is a good time to call New York, NY, from Ontario, CA?
Between 9:00 AM and 3:00 PM in Ontario – that is 12:00 PM to 6:00 PM in New York – both places are within working hours (9:00 AM–6:00 PM).
From what time in Ontario, CA, is it tomorrow in New York, NY?
Once it is 9:00 PM in Ontario, the date in New York has already changed. Until 3:00 AM in New York, it is still the previous day in Ontario.
Does the time gap between Ontario, CA, and New York, NY, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
