Alum Rock in numbers
- Coordinates
- 37.3661, -121.8270
- Elevation
- 46 m above sea level
- Population
- 15 536
- Region
- California
- Country
- United States, North America
- Capital
- Washington, D.C. — 3882 km away
- Same name
- 2 more places in the world share this name
This is the current time in Alum Rock, California, United States, shown for the America/Los_Angeles time zone (−8).
Alum Rock, United States
Sunday, 8 November 2026
UTC−8 · America/Los_Angeles
Local time in Alum Rock
UTC−8 · no daylight saving time
Local time in Alum Rock, California.
Sunrise 6:40 AM Solar noon 11:52 AM Sunset 5:04 PM Daylight 10 h 24 min Night 13 h 36 min Civil twilight 6:13 AM – 5:31 PM
Loading the current weather…
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.
The applicable time zone for Alum Rock is America/Los_Angeles, offset UTC−8. Seasonal clock change applies: No.
Look for sunrise at 6:40 AM and sunset at 5:04 PM in Alum Rock today. The day carries 10 h 24 min of light.
Alum Rock and its neighbours East Foothills and Berryessa keep one clock.
Across Alum Rock, 12 postal codes are recorded.