§ 01United States · CDT
Time in South Dakota
South Dakota runs on Central Daylight Time (CDT), currently UTC−05:00. Its largest city is Sioux Falls. Western South Dakota (Rapid City) observes Mountain Time.
§ 02Time zone & daylight saving
- Time zone
- Central Daylight Time (CDT)
- UTC offset
- UTC−05:00
- Largest city
- Sioux Falls
- Daylight saving (2026)
- Yes. In 2026, clocks go forward around March 8 and back around November 1.
§ 03Time difference
New York−1 h
Chicagosame
Denver+1 h
Los Angeles+2 h
London−6 h
Tokyo−14 h
Hours are South Dakota’s current offset relative to each city, daylight saving included.
§ 05Frequently asked
- What time zone is South Dakota in?
- South Dakota is primarily in the Central Daylight Time zone (CDT), currently UTC−05:00. Western South Dakota (Rapid City) observes Mountain Time.
- Does South Dakota observe daylight saving time?
- Yes. In 2026, clocks go forward around March 8 and back around November 1.
- What is the largest city in South Dakota?
- Sioux Falls is the most populous city in South Dakota.
See all US states or the world clock.