Your TimeLOCAL
--:--:00--
Detecting...DST
Eastern TimeET
1:40:06AM
UTC-4EDT
Central TimeCT
12:40:06AM
UTC-5CDT
Mountain TimeMT
11:40:06PM
UTC-6MDT
Pacific TimePT
10:40:06PM
UTC-7PDT
SDUS State Time GuideSplit State (Multiple Zones)
What time zone is South Dakota in?
South Dakota is split by the Missouri River: eastern South Dakota (including Sioux Falls) is in Central Time, while western South Dakota (including Rapid City and the Black Hills) is in Mountain Time.
Current Local Time in South Dakota
12:40:06AM
CDTUTC-5• DST Active
⚡
South Dakota Time Zone Split: Exact County Boundaries
The Missouri River roughly divides South Dakota: the eastern half is in Central Time, and the western half is in Mountain Time.
Primary Zone: CENTRAL Time
Eastern half east of the Missouri River (~70% of population)
- Minnehaha (Sioux Falls)
- Lincoln
- Brown (Aberdeen)
- Hughes (Pierre - eastern side)
Secondary Zone: MOUNTAIN Time
Western half west of the Missouri River (~30% of population)
- Pennington (Rapid City)
- Lawrence (Deadwood/Spearfish)
- Meade (Sturgis)
- Custer
💡 Note: Rapid City and the Black Hills are in Mountain Time; Sioux Falls and Pierre (state capital) are in Central Time.
Primary ZoneCentral TimeCST / CDT
UTC OffsetUTC-6Daylight: UTC-5
Capital CityPierreState Seat
Daylight SavingObservedMar – Nov
Major Cities & Metro Areas in South Dakota
Sioux FallsSD
CDTRapid CitySD
CDTAberdeenSD
CDTBrookingsSD
CDTWatertownSD
CDTPierreSD
CDTNeighboring States & Time Zones
Check if traveling into adjacent states involves a time zone shift.
Frequently Asked Questions About South Dakota Time Zone
Official answers regarding South Dakota local clocks, daylight saving rules, and split regions.
What time zone is South Dakota in?▼
South Dakota is split by the Missouri River: eastern South Dakota (including Sioux Falls) is in Central Time, while western South Dakota (including Rapid City and the Black Hills) is in Mountain Time.
Does South Dakota observe Daylight Saving Time?▼
Yes, South Dakota observes Daylight Saving Time. Clocks advance one hour on the second Sunday of March and fall back one hour on the first Sunday of November.
Is South Dakota in one or two time zones?▼
South Dakota is split by the Missouri River. Eastern South Dakota (including Sioux Falls and Pierre) is in Central Time, while western South Dakota (including Rapid City and the Black Hills) is in Mountain Time.
What is the current time in Pierre, South Dakota?▼
The capital of South Dakota is Pierre, located in the Central Time (CST/CDT).