Time now in Dewey County, South Dakota , United States

UTC-06:00 • America/Denver (MDT)

Your device clock is 678ms behind of the detected local time (America/Denver, UTC-06:00). Time reference obtained from NIST NTP servers with an accuracy of ±0.007 seconds.

13:23:51

Saturday, May 30, 2026, week 22

Country United States

State South Dakota

Lat/Long 45.1566, -100.8719

Time Zone America/Denver ( UTC-06:00 )

Country Code US

Population 5,239

Sunrise 4:58 AM

Sunset 8:23 PM

Day length 15 hours 25 minutes