Most Americans switched their clocks on Sunday at 2:00 am. South Dakota is a state that has two time zones. The western part has the Mountain Time zone, the eastern part has the central time zone. The official time or central time for the:
Official Mountain time zone – Coordinated Universal Time -6 hours Daylight Saving Time.
Official Central time zone – Coordinated Universal Time -5 hours Daylight Saving Time.
Official Pacific time zone – Coordinated Universal Time -7 hours; Daylight Saving Time
Official Eastern time zone – Coordinated Universal Time -4 hours Daylight Saving Time.
Mountain timezone – Coordinated Universal Time -7 hours; Standard Time (Arizona, Non-Navajo — No Daylight Saving Time)
