Current Time in San Mateo, United States
San Mateo is on Pacific Standard Time – PST (UTC−8) right now. It switches to PDT (UTC−7) on 14 Mar 2027.
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· San Mateo
America/Los_Angeles
Convert San Mateo time
Time zone of San Mateo
| Time zone | Pacific Standard Time |
|---|---|
| Abbreviation | PST |
| UTC offset | UTC−8 |
| IANA time zone id | America/Los_Angeles |
| Daylight saving time | Yes – UTC−8 in winter, UTC−7 in summer |
Time difference between San Mateo and other cities
Daylight saving time in San Mateo
2026
- 8 March 2026: Clocks go forward 1 hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
- 1 November 2026: Clocks go back 1 hour at 01:59 local time, from PDT (UTC−7) to PST (UTC−8).
2027
- 14 March 2027: Clocks go forward 1 hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
- 7 November 2027: Clocks go back 1 hour at 01:59 local time, from PDT (UTC−7) to PST (UTC−8).
San Mateo time FAQ
What time is it in San Mateo right now?
San Mateo is on PST (UTC−8). The live clock at the top of this page shows the current local time in San Mateo, updated every second.
What time zone is San Mateo in?
San Mateo is in Pacific Standard Time, abbreviated PST, UTC−8. Its IANA time zone id is America/Los_Angeles.
Does San Mateo observe daylight saving time?
Yes. The next change is on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
What is the time difference between San Mateo and New York?
New York is 3 hours ahead of San Mateo.
Other cities in USA
Updated 7 November 2026. Time zone data: IANA tz database.