Sioux Falls, South Dakota, United States (City)     Current Local Time: In 24-hour Notation: Mon., Sep. 07, 2026 04:37:17 P.M. CDT Mon., Sep. 07, 2026 16:37:17 CDT Local Time Zone: America/Chicago Currently Observing: Daylight Savings Time Universal Coordinated Time: Mon., Sep. 07, 2026 21:37:17 UTC/GMT

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