Time in North Dakota
About 75% of North Dakota is in the Central Time Zone, while the southwest quarter is in the Mountain Time Zone.
Mountain Time is observed in:
- Bowman County
- Adams County
- Slope County
- Hettinger County
- Grant County
- Stark County
- Billings County
- Golden Valley County
- Parts of Sioux County, Dunn County, and McKenzie County
Central Time is observed throughout the rest of the state.