Time Difference Between Castro Valley and New York
New York is 3 hours ahead Castro Valley.
United States
Castro Valley
America/Los_Angeles · UTC-7
United States
New York
America/New_York · UTC-4
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Castro Valley and New York.
Castro Valley
9:00 AM
New York
12:00 PM
Castro Valley
10:00 AM
New York
1:00 PM
Castro Valley
11:00 AM
New York
2:00 PM
Castro Valley
12:00 PM
New York
3:00 PM
Castro Valley
1:00 PM
New York
4:00 PM
Castro Valley
2:00 PM
New York
5:00 PM
Castro Valley to New York — 24-Hour Conversion
Each row shows the equivalent local time in New York for an hour in Castro Valley. Working-hours rows (9–18) are highlighted.
| Castro Valley | New York | Match |
|---|---|---|
| Off hours | ||
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| Workday in New York | ||
| Workday in New York | ||
| Workday in New York | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Workday in Castro Valley | ||
| Workday in Castro Valley | ||
| Workday in Castro Valley | ||
| Off hours | ||
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| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between Castro Valley and New York?
New York, United States (UTC-4) is 3 hours ahead Castro Valley, United States (UTC-7).
What is the best time to schedule a meeting between Castro Valley and New York?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Castro Valley and New York?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Castro Valley, what time is it in New York?
Use the conversion table on this page — every hour in Castro Valley is mapped to its equivalent local time in New York, including day shift markers when the date differs.