New York, NY to Foster City, CA: time difference
Foster City, 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 04:50 4:50 AM Foster City, CA 01:50 1:50 AM You –:–
04:50 4:50 AM
Eastern Daylight Time · UTC-4
☀️ 07:16 · 🌙 18:08
01:50 1:50 AM
Pacific Daylight Time · UTC-7
☀️ 07:25 · 🌙 18:24
·
−3 h
Foster City, CA is 3 h behind New York, NY.
When you, New York, NY and Foster City, 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
🇺🇸 Foster City, 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 | 🇺🇸 Foster City, CA |
|---|---|---|
| Local time | 04:50 | 01:50 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 07:16 | 07:25 |
| Sunset | 18:08 | 18:24 |
| Daylight | 10 h 52 min | 10 h 59 min |
| People on this clock | 8,804,190 | 30,567 |
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 Foster City, CA: common questions
How many hours behind New York, NY, is Foster City, CA?
The clocks in Foster City are 3 hours behind those in New York (UTC−7 and UTC−4).
If it is 9:00 AM in New York, NY, what time is it in Foster City, CA?
At 9:00 AM in New York, clocks in Foster City show 6:00 AM.
If it is 6:00 PM in New York, NY, what time is it in Foster City, CA?
At 6:00 PM in New York, clocks in Foster City show 3:00 PM.
When is a good time to call Foster City, 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 Foster City – both places are within working hours (9:00 AM–6:00 PM).
Until what time in New York, NY, is it still yesterday in Foster City, CA?
Before 3:00 AM in New York, the date in Foster City has not changed yet. From 9:00 PM in Foster City, it is already the next day in New York.
Does the time difference between New York, NY, and Foster City, CA, change?
No. The clocks in New York and in Foster City change on the same dates, so the difference stays 3 hours.
