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
What time is it in Altadena, California, United States
This page holds the current clock reading for Altadena, California, United States, in the America/Los_Angeles time zone (−7).
Altadena, United States
Friday, 16 October 2026
UTC−7 · America/Los_Angeles
Local time in Altadena
UTC−7 · daylight saving time is active
Local time in Altadena, California.
The sun today
Sunrise 7:00 AM Solar noon 12:39 PM Sunset 6:19 PM Daylight 11 h 19 min Night 12 h 41 min Civil twilight 6:34 AM – 6:44 PM
Weather in Altadena right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Altadena and its neighbours
Postal codes
- 91001
- 91003
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
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
- Pasadena — 3.4 km
- Kinneloa Mesa — 4.6 km
- La Canada Flintridge — 5.3 km
- Chapman — 6.4 km
- East Pasadena — 7.8 km
- Sierra Madre — 7.8 km
About the time in Altadena
2 postal codes are current for Altadena.
Hours in Altadena are kept by America/Los_Angeles, standing at UTC−7. Daylight saving observed: Yes.
Sunrise reaches Altadena at 7:00 AM, and the sun sets at 6:19 PM. Light lasts 11 h 19 min.
Nearby Pasadena and Kinneloa Mesa need no separate clock from Altadena.
Questions and answers
- Where does Altadena fall in terms of time zones?
- In terms of time zones, Altadena falls within America/Los_Angeles, with an offset of −7.
- Do daylight saving time rules cover Altadena?
- Daylight saving time in Altadena: Yes.
- What hour brings sunset in Altadena?
- The hour is 6:19 PM.