Alta Mesa in numbers
- Coordinates
- 37.3988, -122.1350
- Elevation
- 32 m above sea level
- Region
- California
- Country
- United States, North America
- Capital
- Washington, D.C. — 3907 km away
The clock for Alta Mesa, California, United States is kept here in the America/Los_Angeles time zone (−8).
Alta Mesa, United States
Tuesday, 3 November 2026
UTC−8 · America/Los_Angeles
Local time in Alta Mesa
UTC−8 · no daylight saving time
Alta Mesa keeps America/Los_Angeles clock_time.
Sunrise 6:36 AM Solar noon 11:53 AM Sunset 5:10 PM Daylight 10 h 34 min Night 13 h 26 min Civil twilight 6:09 AM – 5:37 PM
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Weather data by Open-Meteo, updated every 30 minutes.
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.
Los Altos Hills and Castro City are near Alta Mesa and do not differ from it in time.
Delivery zones in Alta Mesa are marked by 12 postal codes.
The zone covering Alta Mesa is called America/Los_Angeles and stands at UTC−8. Seasonal clock changes apply: No.
The sun climbs above Alta Mesa at 6:36 AM and dips below at 5:10 PM. Between them sit 10 h 34 min of daylight.