South Dakota Time Zone Map - South Dakota Time Zones by County and County Seats

SD South Dakota time zones and current local time | US daylight saving - US

North
Dakota

South Dakota Mountain Standard Time Zone -7	South Dakota Central Standard Time Zone -6
List of South Dakota counties with county seats South Dakota, USCurrent Local Time and Time Zones
Mountain Time Rapid City \| Spearfish	Central Time Pierre \| Sioux Falls
MST: Standard -7 MDT: Daylight -6	CST: Standard -6 CDT: Daylight -5

County L-Z	Place
County L-Z	Place
Lincoln County	Canton•
Lincoln County	Beresford*
Lincoln County	Harrisburg
Lincoln County	Lennox
Lincoln County	Tea
Lyman County	Kennebec
Marshall County	Britton
McCook County	Salem
McPherson County	Leola
Meade County	Box Elder*
Meade County	Piedmont
Meade County	Summerset
Meade County	Sturgis•
Mellette County	White River•
Mellette County	Norris
Miner County	Howard
Minnehaha County	Sioux Falls
Minnehaha County	Brandon
Minnehaha County	Dell Rapids
Minnehaha County	Hartford
Minnehaha County	Baltic
Minnehaha County	Crooks
Minnehaha County	Garretson
Moody County	Flandreau
Oglala Lakota County	No county seat
Oglala Lakota County	Pine Ridge
Oglala Lakota County	Kyle
Pennington County	Rapid City•
Pennington County	Box Elder**
Pennington County	Keystone
Pennington County	Colonial Pine Hills
Pennington County	Hill City
Pennington County	Mount Rushmore National Memorial
Pennington County	Wall
Perkins County	Bison
Potter County	Gettysburg•
Potter County	Forest City
Roberts County	Sisseton
Sanborn County	Woonsocket
Spink County	Redfield
Stanley County	City of Fort Pierre
Stanley County	Hayes
Stanley County	Wendte
Stanley County	Fort Pierre•
Stanley County	Antelope Creek T.Township
Sully County	Onida
Todd County	No county seat
Todd County	Mission
Tripp County	Winner
Turner County	Parker
Union County	Beresford**
Union County	North Sioux City
Union County	Elk Point•
Walworth County	Selby•
Walworth County	Mobridge
Yankton County	Yankton
Ziebach County	Dupree

*2 time zones *2/3 counties •County seat

Capital

Most populous city

Capital of the country

List of counties in South Dakota in the Mountain Time Zone
County	County Seat
Bennett County	Martin
Butte County	Belle Fourche
Corson County	McIntosh
Custer County	Custer
Dewey County	Timber Lake
Fall River County	Hot Springs
Haakon County	Philip
Harding County	Buffalo
Jackson County	Kadoka
Lawrence County	Deadwood
Meade County	Sturgis
*Oglala Lakota County	Pine Ridge*
Pennington County	Rapid City
Perkins County	Bison
Ziebach County	Dupree
*Oglala Lakota County does not have their own county seat, Hot Springs in Fall River County serves as the administrative center.
There is a county in South Dakota with a portion in the mountain time zone
County	Localities
Stanley County	City of Fort Pierre
	Hayes
	Wendte
There are 66 counties in South Dakota, of which 16 (shown in green on the left of the map) use Mountain Time Zone, the other 50 counties (shown in brown on the map) use Central Time Zone. Stanley County uses both the Mountain and Central time zones.
South Dakota Time Zone Map

South Dakota, US daylight saving time 2026
Starts + 1h	Ends - 1h
March-8 Sun. 2:00 → 3:00	Nov.-1 Sun. 2:00 → 1:00
2nd Sunday in March, at 2:00 a.m., South Dakota, US turns the clock forward 1 hour	1st Sunday in November, at 2:00 a.m., South Dakota, US turns the clock back 1 hour
A little more than half of South Dakota is in the Central Time Zone: Pierre, Sioux Falls... and almost half of South Dakota is in the Mountain time zone.
Sout Dakota Mountain Time Zone: Rapid City, Spearfish...
South Dakota Time Zone Map

Clocks symbols:

Daylight Saving Time. UTC standard time, or winter time. No Daylight Saving Time throughout the year. 24 hour clock format

Clocks and symbols (daylight saving - winter) are updated in real time as the time changes in different South Dakota, US time zones.