Altadena in numbers
- Coordinates
- 34.1897, -118.1310
- Population
- 42 777
- Region
- California
- Country
- United States, North America
- Capital
- Washington, D.C. — 3677 km away
This page holds the current clock reading for Altadena, California, United States, in the America/Los_Angeles time zone (−8).
Altadena, United States
Sunday, 8 November 2026
UTC−8 · America/Los_Angeles
Local time in Altadena
UTC−8 · no daylight saving time
Local time in Altadena, California.
Sunrise 6:20 AM Solar noon 11:37 AM Sunset 4:55 PM Daylight 10 h 35 min Night 13 h 25 min Civil twilight 5:54 AM – 5:21 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.
2 postal codes are current for Altadena.
Hours in Altadena are kept by America/Los_Angeles, standing at UTC−8. Daylight saving observed: No.
Sunrise reaches Altadena at 6:20 AM, and the sun sets at 4:55 PM. Light lasts 10 h 35 min.
Nearby Pasadena and Kinneloa Mesa need no separate clock from Altadena.