Dewey in numbers
- Coordinates
- 43.5308, -104.0410
- Elevation
- 1132 m above sea level
- Region
- South Dakota
- Country
- United States, North America
- Capital
- Washington, D.C. — 2306 km away
- Same name
- 16 more places in the world share this name
On this page you will find the exact local time in Dewey, South Dakota, United States, in the America/Denver time zone (−7).
Dewey, United States
Tuesday, 10 November 2026
UTC−7 · America/Denver
Local time in Dewey
UTC−7 · no daylight saving time
Local time in Dewey, South Dakota.
Sunrise 6:45 AM Solar noon 11:41 AM Sunset 4:38 PM Daylight 9 h 53 min Night 14 h 07 min Civil twilight 6:14 AM – 5:08 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.
The mail network in Dewey covers 3 codes.
Dewey observes America/Denver time, currently expressed as UTC−7. Daylight saving time here: No.
The sun rises here at 6:45 AM and sets at 4:38 PM in Dewey today. Daylight adds up to 9 h 53 min.
Nearby Dakoming and Burdock need no separate clock from Dewey.