UTC Offset
UTC-07:00
Current time in Castro Valley, United States
Clocks shift twice a year — UTC-08:00 in winter, UTC-07:00 in summer.
Current time in Castro Valley, United States
23:27 20
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Quick answer
The current local time in Castro Valley, United States is 23:27 (PDT), which is UTC-07:00.
Castro Valley is in United States, located at 37.694, -122.086.
The current time zone for Castro Valley is PDT, whose offset is UTC-07:00 from UTC. The IANA identifier is America/Los_Angeles.
The next daylight saving transition is November 1, 2026, when clocks move backward by 1 hour.
Timezone in Castro Valley
Pacific Standard Time (PST)
IANA time zone:
America/Los_Angeles During winter
PST
Pacific Standard Time
UTC-08:00
Currently active
PDT
Pacific Daylight Time
UTC-07:00
Daylight in Castro Valley today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 45m
Castro Valley, United States
- Country
- United States
- ISO code
- US
- Coordinates
- 37.6941° N, 122.0863° W
- IANA zone
- America/Los_Angeles
- Population
- 61,388
- Elevation
- 50 m
Your local time Detecting your timezone…
Castro Valley on the map · time zone
Castro Valley, United States
- Local time23:27
- UTC offsetUTC-07:00
- Time zoneAmerica/Los_Angeles
- StatusDaylight saving
- Coordinates
- 37.69°, -122.09°
World clock
Compared with Castro Valley
Daylight saving time in Castro Valley
Clocks shift twice a year — UTC-08:00 in winter, UTC-07:00 in summer.
Next DST change November 1, 2026
Direction backward
Amount 1h
DST schedule — recent & upcoming years
Spring-forward and fall-back dates in Castro Valley.
- 2025DST start (spring forward)Mar 9, 2025,DST end (fall back)Nov 2, 2025,
- 2026DST start (spring forward)Mar 8, 2026,DST end (fall back)Nov 1, 2026,
- 2027DST start (spring forward)Mar 14, 2027,DST end (fall back)Nov 7, 2027,
- 2028DST start (spring forward)Mar 12, 2028,DST end (fall back)Nov 5, 2028,
| Year | DST start (spring forward) | DST end (fall back) |
|---|---|---|
| 2025 | Mar 9, 2025, | Nov 2, 2025, |
| 2026 | Mar 8, 2026, | Nov 1, 2026, |
| 2027 | Mar 14, 2027, | Nov 7, 2027, |
| 2028 | Mar 12, 2028, | Nov 5, 2028, |
Hour-by-hour conversion
When it's the given hour in Castro Valley, here are the local times elsewhere.
| Castro Valley | New York | Mexico City | São Paulo | London | Paris | Berlin | Dubai | Mumbai |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 03:00 | 01:00 | 04:00 | 08:00 | 09:00 | 09:00 | 11:00 | 12:30 |
| 01:00 | 04:00 | 02:00 | 05:00 | 09:00 | 10:00 | 10:00 | 12:00 | 13:30 |
| 02:00 | 05:00 | 03:00 | 06:00 | 10:00 | 11:00 | 11:00 | 13:00 | 14:30 |
| 03:00 | 06:00 | 04:00 | 07:00 | 11:00 | 12:00 | 12:00 | 14:00 | 15:30 |
| 04:00 | 07:00 | 05:00 | 08:00 | 12:00 | 13:00 | 13:00 | 15:00 | 16:30 |
| 05:00 | 08:00 | 06:00 | 09:00 | 13:00 | 14:00 | 14:00 | 16:00 | 17:30 |
| 06:00 | 09:00 | 07:00 | 10:00 | 14:00 | 15:00 | 15:00 | 17:00 | 18:30 |
| 07:00 | 10:00 | 08:00 | 11:00 | 15:00 | 16:00 | 16:00 | 18:00 | 19:30 |
| 08:00 | 11:00 | 09:00 | 12:00 | 16:00 | 17:00 | 17:00 | 19:00 | 20:30 |
| 09:00 | 12:00 | 10:00 | 13:00 | 17:00 | 18:00 | 18:00 | 20:00 | 21:30 |
| 10:00 | 13:00 | 11:00 | 14:00 | 18:00 | 19:00 | 19:00 | 21:00 | 22:30 |
| 11:00 | 14:00 | 12:00 | 15:00 | 19:00 | 20:00 | 20:00 | 22:00 | 23:30 |
| 12:00 | 15:00 | 13:00 | 16:00 | 20:00 | 21:00 | 21:00 | 23:00 | 00:30 +1 |
| 13:00 | 16:00 | 14:00 | 17:00 | 21:00 | 22:00 | 22:00 | 00:00 +1 | 01:30 +1 |
| 14:00 | 17:00 | 15:00 | 18:00 | 22:00 | 23:00 | 23:00 | 01:00 +1 | 02:30 +1 |
| 15:00 | 18:00 | 16:00 | 19:00 | 23:00 | 00:00 +1 | 00:00 +1 | 02:00 +1 | 03:30 +1 |
| 16:00 | 19:00 | 17:00 | 20:00 | 00:00 +1 | 01:00 +1 | 01:00 +1 | 03:00 +1 | 04:30 +1 |
| 17:00 | 20:00 | 18:00 | 21:00 | 01:00 +1 | 02:00 +1 | 02:00 +1 | 04:00 +1 | 05:30 +1 |
| 18:00 | 21:00 | 19:00 | 22:00 | 02:00 +1 | 03:00 +1 | 03:00 +1 | 05:00 +1 | 06:30 +1 |
| 19:00 | 22:00 | 20:00 | 23:00 | 03:00 +1 | 04:00 +1 | 04:00 +1 | 06:00 +1 | 07:30 +1 |
| 20:00 | 23:00 | 21:00 | 00:00 +1 | 04:00 +1 | 05:00 +1 | 05:00 +1 | 07:00 +1 | 08:30 +1 |
| 21:00 | 00:00 +1 | 22:00 | 01:00 +1 | 05:00 +1 | 06:00 +1 | 06:00 +1 | 08:00 +1 | 09:30 +1 |
| 22:00 | 01:00 +1 | 23:00 | 02:00 +1 | 06:00 +1 | 07:00 +1 | 07:00 +1 | 09:00 +1 | 10:30 +1 |
| 23:00 | 02:00 +1 | 00:00 +1 | 03:00 +1 | 07:00 +1 | 08:00 +1 | 08:00 +1 | 10:00 +1 | 11:30 +1 |
Frequently Asked Questions
The current local time in Castro Valley, United States is 23:27 (PDT). Castro Valley uses the America/Los_Angeles time zone, which is UTC-07:00.
Castro Valley uses PST (UTC-08:00) in winter and switches to PDT (UTC-07:00) during daylight saving time. The IANA identifier is America/Los_Angeles.
Yes. The next daylight saving transition in Castro Valley is on November 1, 2026. Clocks will move backward by 1 hour.
The IANA / Olson time zone database identifier for Castro Valley is America/Los_Angeles. This is the identifier used by operating systems, programming languages, and APIs to look up the correct local time.
It is currently PM in Castro Valley. The local time is 23:27 (PDT).
Castro Valley is UTC-08:00 from UTC during standard time and UTC-07:00 during daylight saving time. It is currently UTC-07:00.
The next daylight saving transition in Castro Valley is on November 1, 2026. Clocks move backward by 1 hour at 01:00 local time.
Castro Valley is currently 3 hours behind New York.