About San Mateo
Geographic and World Clock information for this location.
- City
- San Mateo
- Country
- United States
- Country code
- US
- Region
- Americas
- Population
- 103,536
Americas World Clock
San Mateo World Clock
View the live world clock for San Mateo, United States, including local time, date, UTC offset and the official America/Los_Angeles time zone.
United StatesAmerica/Los_AngelesPop. 103.5K
Live local time
San Mateo, United States
UTC offset
...
Active zone
...
Status
Live
TimeInOne uses America/Los_Angeles to automatically apply the correct regional and daylight-saving rules.
Time-zone information for San Mateo
The active UTC offset, local abbreviation and daylight-saving status are calculated using the IANA America/Los_Angeles rules.
Time comparison
San Mateo and your local time
Compare the current local time in San Mateo with your detected time zone and Coordinated Universal Time.
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Convert time from San Mateo
Compare San Mateo with another city, understand the time difference and find comfortable international meeting hours.
Source city
San Mateo
America/Los_Angeles
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Time in San Mateo FAQ
Common questions about local time, IANA time-zone rules and automatic clock updates in San Mateo.
What time zone does San Mateo use?
San Mateo uses the IANA time-zone identifier America/Los_Angeles.
Does this clock update automatically?
Yes. The TimeInOne clock refreshes every second directly in the browser.
Does TimeInOne account for daylight-saving changes?
TimeInOne uses the IANA America/Los_Angeles rules, so the active UTC offset automatically follows the seasonal rules for the current date.