Current Time in San Mateo, California, United States
8:30:23 PM PDT
Friday, May 15, 2026
Time Zone Details
- IANA Zone
- America/Los_Angeles
- Time Zone
- PDT
- GMT Offset
- GMT-7
- Daylight Saving Time
- PST starts on Nov 1, 2026
- Country
- United States
- Est. Population
- ~104K people
Other Cities in This Time Zone
Frequently Asked Questions
- What time is it in San Mateo right now?
- Check the live clock above for the current time in San Mateo (PDT (GMT-7)). Use the interactive converter on this page to compare San Mateo with other cities.
- Does San Mateo observe daylight saving time?
- Yes, San Mateo is currently observing daylight saving time (PDT). Clocks will return to standard time (PST) on Nov 1, 2026.
- What is the GMT offset for San Mateo?
- San Mateo is at GMT-7 (PDT). The IANA timezone identifier is America/Los_Angeles.