San Mateo in numbers
- Coordinates
- 37.5630, -122.3260
- Population
- 103 536
- Region
- California
- Country
- United States, North America
- Capital
- Washington, D.C. — 3918 km away
- Same name
- 182 more places in the world share this name
What time is it in San Mateo, California, United States
Watch the current local time in San Mateo, California, United States, running on the America/Los_Angeles time zone (−7).
San Mateo, United States
Thursday, 29 October 2026
UTC−7 · America/Los_Angeles
Local time in San Mateo
UTC−7 · daylight saving time is active
Local time in San Mateo, California.
The sun today
Sunrise 7:32 AM Solar noon 12:54 PM Sunset 6:16 PM Daylight 10 h 44 min Night 13 h 16 min Civil twilight 7:05 AM – 6:43 PM
Weather in San Mateo right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
San Mateo and its neighbours
Postal codes
- 32187
- 94401
- 94402
- 94403
- 94404
- 94497
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in California
- Los Angeles 3 820 914
- San Diego 1 404 452
- San Jose 997 368
- San Francisco 827 526
- Fresno 542 107
- Sacramento 524 943
Other places named San Mateo
- San Mateo Central Luzon, Philippines
- San Mateo Aragua, Venezuela
- San Mateo Cagayan Valley, Philippines
- San Mateo Anzoátegui, Venezuela
- San Mateo Quetzaltenango, Guatemala
Same time zone — America/Los_Angeles
- Los Angeles United States
- San Diego United States
- San Jose United States
- San Francisco United States
- Seattle United States
- Portland United States
Nearby places
- Hayward Park — 1.5 km
- Hillsborough Park — 3.0 km
- Hillsdale — 3.5 km
- Laurel — 3.8 km
- Burlingame — 4.2 km
- Hillsborough — 4.8 km
San Mateo: clock, sun and surroundings
The name of the time zone in San Mateo is America/Los_Angeles, and it runs UTC−7. Daylight saving time: Yes.
The sun comes up over San Mateo at 7:32 AM today and drops below the horizon at 6:16 PM. That is 10 h 44 min between the two.
Places close to San Mateo, among them Hayward Park and Hillsborough Park, share its time.
San Mateo works with 6 postal codes.
Questions and answers
- What time zone value is associated with San Mateo?
- The value associated with San Mateo is America/Los_Angeles, with an offset of −7.
- Does the local schedule in San Mateo include a clock change?
- Yes.
- When does the sun disappear in San Mateo?
- It disappears at 6:16 PM.