Castle Rock in numbers
- Coordinates
- 44.9644, -103.4240
- Elevation
- 957 m above sea level
- Region
- South Dakota
- Country
- United States, North America
- Capital
- Washington, D.C. — 2273 km away
- Same name
- 10 more places in the world share this name
What time is it in Castle Rock, South Dakota, United States
The time now in Castle Rock, South Dakota, United States is shown here, following the America/Denver time zone (−6).
Castle Rock, United States
Saturday, 17 October 2026
UTC−6 · America/Denver
Local time in Castle Rock
UTC−6 · daylight saving time is active
What the clock shows right now in Castle Rock.
The sun today
Sunrise 7:13 AM Solar noon 12:40 PM Sunset 6:07 PM Daylight 10 h 54 min Night 13 h 06 min Civil twilight 6:43 AM – 6:37 PM
Weather in Castle Rock right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Castle Rock and its neighbours
Postal codes
- 55010
- 80104
- 80108
- 80109
- 98611
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in South Dakota
- Sioux Falls 171 544
- Rapid City 73 569
- Aberdeen 28 102
- Brookings 23 657
- Watertown 22 073
- Mitchell 15 669
Other places named Castle Rock
- Castle Rock Colorado, United States
- Castle Rock Washington, United States
- Castle Rock Wisconsin, United States
- Castle Rock New South Wales, Australia
- Castle Rock British Columbia, Canada
Same time zone — America/Denver
Nearby places
- Butte County — 9.3 km
- Unorganized Territory Of East Butte — 17.3 km
- Hoover — 20.6 km
- Unorganized Territory Of West Butte — 25.9 km
- Arpan — 26.4 km
- Newell — 27.8 km
Local time details for Castle Rock
The sun will rise at 7:13 AM and set at 6:07 PM in Castle Rock today. Daylight amounts to 10 h 54 min.
The same local time applies in Castle Rock, Butte County and Unorganized Territory Of East Butte.
The postal breakdown of Castle Rock runs to 5 codes.
Time in Castle Rock runs on America/Denver, which is UTC−6. Does daylight saving time apply here? Yes.
Questions and answers
- Is the local time in Castle Rock based on America/Denver?
- Yes, local time in Castle Rock is based on America/Denver, with an offset of −6.
- Does daylight saving time apply in Castle Rock?
- Yes.
- Can you tell me the sunrise time in Castle Rock?
- In Castle Rock the sun rises at 7:13 AM.