Check the current local time in San Mateo, California, United States of America, including timezone, daylight saving time information and time difference details.
America/Los_Angeles
Online clock — San Mateo
Use the time converter to plan calls, meetings, and working hours between your location and San Mateo, United States of America. Time calculations use the America/Los_Angeles time zone and automatically adjust for daylight saving time when applicable.
Day length: 14 h 17 m 20 s
Phase: Waxing gibbous
Daylight Saving Time
DST starts
Date and time
Clock change
10:00 11:00 (+1 hour forward)
DST ends
Date and time
Clock change
09:00 08:00 (−1 hour back)
37.5630, -122.3255
San Mateo is one of the cities in United States of America, located in North America. The population of San Mateo is 103,536 people.
| City ▲ | Time |
|---|---|
| Austin America/Chicago (—) | — |
| Brooklyn America/New_York (—) | — |
| Charlotte America/New_York (—) | — |
| Chicago America/Chicago (—) | — |
| Columbus America/New_York (—) | — |
| Dallas America/Chicago (—) | — |
| Fort Worth America/Chicago (—) | — |
| Houston America/Chicago (—) | — |
| Indianapolis America/Indiana/Indianapolis (—) | — |
| Jacksonville America/New_York (—) | — |
| Los Angeles America/Los_Angeles (—) | — |
| Manhattan America/New_York (—) | — |
| New York America/New_York (—) | — |
| Philadelphia America/New_York (—) | — |
| Phoenix America/Phoenix (—) | — |
| Queens America/New_York (—) | — |
| San Antonio America/Chicago (—) | — |
| San Diego America/Los_Angeles (—) | — |
| San Jose America/Los_Angeles (—) | — |
| The Bronx America/New_York (—) | — |
| City ▲ | Time |
|---|---|
| Baltimore America/New_York (—) | — |
| Boston America/New_York (—) | — |
| Charlotte America/New_York (—) | — |
| Chicago America/Chicago (—) | — |
| Columbus America/New_York (—) | — |
| Denver America/Denver (—) | — |
| Detroit America/Detroit (—) | — |
| El Paso America/Denver (—) | — |
| Jacksonville America/New_York (—) | — |
| Los Angeles America/Los_Angeles (—) | — |
| Miami America/New_York (—) | — |
| Milwaukee America/Chicago (—) | — |
| Nashville America/Chicago (—) | — |
| New York America/New_York (—) | — |
| Portland America/Los_Angeles (—) | — |
| Queens America/New_York (—) | — |
| Sacramento America/Los_Angeles (—) | — |
| San Diego America/Los_Angeles (—) | — |
| Tucson America/Phoenix (—) | — |
| Virginia Beach America/New_York (—) | — |
The current local time in San Mateo is —.
San Mateo uses the timezone America/Los_Angeles.
Daylight saving time in San Mateo starts on March 8, 2026.
Daylight saving time in San Mateo ends on November 1, 2026.
San Mateo is also known as: San Mateo, 샌머테이오, Matthaeopolis, San Matheo, Сан Матео, Сан-Матео, سان ماتيو, سان ماتیو، کالیفرنیا, سانماٹیو, स्यान म्याटियो, サンマテオ, 聖馬刁.
10:00 
09:00 