Roundup in numbers
- Coordinates
- 46.4452, -108.5420
- Elevation
- 980 m above sea level
- Population
- 1 836
- Region
- Montana
- Country
- United States, North America
- Capital
- Washington, D.C. — 2688 km away
- Same name
- 1 more places in the world share this name
Check the current local time in Roundup, Montana, United States, which sits in the America/Denver time zone (−7).
Roundup, United States
Sunday, 1 November 2026
UTC−7 · America/Denver
Local time in Roundup
UTC−7 · no daylight saving time
Roundup keeps America/Denver clock_time.
Sunrise 6:57 AM Solar noon 11:59 AM Sunset 5:01 PM Daylight 10 h 04 min Night 13 h 56 min Civil twilight 6:25 AM – 5:32 PM
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Weather data by Open-Meteo, updated every 30 minutes.
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.
Addressing within Roundup draws on 2 postal codes.
Roundup holds to America/Denver time, which equals UTC−7. Clock adjustment for daylight saving: No.
The sun rises today at 6:57 AM in Roundup and sets at 5:01 PM. Daylight covers 10 h 04 min.
Close to Roundup, the towns of Camp Three and Riverside show the same time.