New York, NY to Costa Mesa, CA: time difference
Costa Mesa, CA is 3 h behind New York, NY. 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.
New York, NY 12:45 12:45 PM Costa Mesa, CA 09:45 9:45 AM You –:–
12:45 12:45 PM
Eastern Daylight Time · UTC-4
☀️ 07:10 · 🌙 18:15
09:45 9:45 AM
Pacific Daylight Time · UTC-7
☀️ 06:59 · 🌙 18:17
·
−3 h
Costa Mesa, CA is 3 h behind New York, NY.
When you, New York, NY and Costa Mesa, 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
🇺🇸 New York, NY
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
🇺🇸 Costa Mesa, CA
21 9 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 New York, NY | 🇺🇸 Costa Mesa, CA |
|---|---|---|
| Local time | 12:45 | 09:45 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from New York, NY | — | −3 h |
| IANA zone | America/New York | America/Los Angeles |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:10 | 06:59 |
| Sunset | 18:15 | 18:17 |
| Daylight | 11 h 5 min | 11 h 18 min |
| People on this clock | 8,804,190 | 109,960 |
Compare New York, NY with another city
More comparisons with New York, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
New York, NY and Costa Mesa, CA: common questions
How far behind New York, NY, is Costa Mesa, CA?
Costa Mesa is 3 hours behind New York: UTC−7 against UTC−4.
What time is it in Costa Mesa, CA, at the start of the working day in New York, NY?
The working day in New York starts at 9:00 AM; in Costa Mesa it is 6:00 AM at that moment.
If it is 6:00 PM in New York, NY, what time is it in Costa Mesa, CA?
At 6:00 PM in New York, clocks in Costa Mesa show 3:00 PM.
When is a good time to call Costa Mesa, CA, from New York, NY?
Between 12:00 PM and 6:00 PM in New York – that is 9:00 AM to 3:00 PM in Costa Mesa – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Costa Mesa, CA, compared with New York, NY?
The new day starts in Costa Mesa later: until 3:00 AM in New York, it is still the previous day there. From 9:00 PM in Costa Mesa, New York is already on the next day.
Does the time difference between New York, NY, and Costa Mesa, CA, change?
No. The clocks in New York and in Costa Mesa change on the same dates, so the difference stays 3 hours.
