Grindstone in numbers
- Coordinates
- 44.1391, -101.9670
- Elevation
- 753 m above sea level
- Region
- South Dakota
- Country
- United States, North America
- Capital
- Washington, D.C. — 2147 km away
- Same name
- 4 more places in the world share this name
What time is it in Grindstone, South Dakota, United States
Right now in Grindstone, South Dakota, United States the local time is the one shown here, in the America/Denver zone (−7).
Grindstone, United States
Sunday, 1 November 2026
UTC−7 · America/Denver
Local time in Grindstone
UTC−7 · no daylight saving time
What the clock shows right now in Grindstone.
The sun today
Sunrise 6:26 AM Solar noon 11:33 AM Sunset 4:39 PM Daylight 10 h 14 min Night 13 h 46 min Civil twilight 5:55 AM – 5:10 PM
Weather in Grindstone right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Grindstone and its neighbours
Postal codes
- 15442
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 Grindstone
- Grindstone Pennsylvania, United States
- Grindstone Maine, United States
- Grindstone Maine, United States
- Grindstone New York, United States
Same time zone — America/Denver
Nearby places
- Hilland — 18.2 km
- Unorganized Territory Of West Haakon — 18.5 km
- Cottonwood — 19.8 km
- Quinn — 21.1 km
- Dowling (historical) — 21.7 km
- Unorganized Territory Of Northeast Pennington — 22.0 km
About the time in Grindstone
Grindstone, Hilland and Unorganized Territory Of West Haakon all run on one and the same time.
The full list of postal codes for Grindstone runs to 1.
The time zone assigned to Grindstone is America/Denver, held at UTC−7. Daylight saving time applies: No.
Sunrise today in Grindstone lands at 6:26 AM; sunset lands at 4:39 PM. That is 10 h 14 min of light.
Questions and answers
- What zone is used to calculate the time in Grindstone?
- The time in Grindstone is calculated using America/Denver, with an offset of −7.
- Is summer time in effect in Grindstone at some point in the year?
- Daylight saving observed in Grindstone: No.
- What is the sunrise time for Grindstone?
- 6:26 AM.