Time in San Mateo, United States now
8:09:56 PM
Monday, August 10, 2026
PDT · UTC-07:00
Time zone
PDT
UTC-07:00
America/Los_Angeles
Daylight saving
On (DST in effect)
Back 1h on
November 1, 2026
Sun
↑ 6:22 AM ↓ 8:06 PM
Day length 13h 45m
Solar noon 1:14 PM
Time difference
Calculating the difference from your location…
Nearby cities in California (8)
San Mateo facts
- Country
- United States
- Region
- California
- Coordinates
- 37.5630, -122.3255
- Population
- 103,536
Frequently asked
What time is it in San Mateo right now?
The current local time in San Mateo is shown above and updates live every second. San Mateo is on PDT (UTC-07:00).
What time zone is San Mateo in?
San Mateo uses the America/Los_Angeles time zone, currently PDT (UTC-07:00).
Is San Mateo on daylight saving time?
Yes. San Mateo is currently observing daylight saving time (PDT, UTC-07:00). Clocks change next on November 1, 2026.
What is the time difference between San Mateo and New York?
New York is +3h relative to San Mateo (New York is currently 11:09 PM).
Live clock; time-zone & DST data from the IANA Time Zone Database.
