Rio Oso in numbers
- Coordinates
- 38.9610, -121.5440
- Elevation
- 13 m above sea level
- Population
- 356
- Region
- California
- Country
- United States, North America
- Capital
- Washington, D.C. — 3810 km away
- Same name
- 1 more places in the world share this name
This page keeps the current time in Rio Oso, California, United States, according to the America/Los_Angeles zone (−8).
Rio Oso, United States
Wednesday, 4 November 2026
UTC−8 · America/Los_Angeles
Local time in Rio Oso
UTC−8 · no daylight saving time
What the clock shows right now in Rio Oso.
Sunrise 6:38 AM Solar noon 11:51 AM Sunset 5:04 PM Daylight 10 h 26 min Night 13 h 34 min Civil twilight 6:10 AM – 5:32 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.
Rio Oso sits in the America/Los_Angeles time zone, which runs at UTC−8. Daylight saving time: No.
Rio Oso sees the sun rise at 6:38 AM and set at 5:04 PM today. Daylight runs for 10 h 26 min.
Rio Oso keeps the same time as its neighbours Cornelius (historical) and Algodon (historical).
Rio Oso is covered by 1 postal code.