Arco in numbers
- Coordinates
- 43.6366, -113.3000
- Elevation
- 1623 m above sea level
- Population
- 857
- Region
- Idaho
- Country
- United States, North America
- Capital
- Washington, D.C. — 3051 km away
- Same name
- 17 more places in the world share this name
What time is it in Arco, Idaho, United States
Local time right now in Arco, Idaho, United States appears above, in the America/Boise time zone (−6).
Arco, United States
Thursday, 29 October 2026
UTC−6 · America/Boise
Local time in Arco
UTC−6 · daylight saving time is active
What the clock shows right now in Arco.
The sun today
Sunrise 8:06 AM Solar noon 1:18 PM Sunset 6:30 PM Daylight 10 h 24 min Night 13 h 36 min Civil twilight 7:36 AM – 7:00 PM
Weather in Arco right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Arco and its neighbours
Postal codes
- 56113
- 83213
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 Idaho
Other places named Arco
- Arco Trentino-Alto Adige, Italy
- Arco Minnesota, United States
- Arco Virginia, United States
- Arco Oruro, Bolivia
- Arco São Filipe, Cabo Verde
Nearby places
- Butte City — 5.8 km
- Lost River — 8.2 km
- Moore — 12.2 km
- Butte County — 14.1 km
- Darlington — 21.7 km
- Leslie — 28.8 km
Arco: clock, sun and surroundings
Mail delivery in Arco relies on 2 postal codes.
In Arco the time zone is America/Boise and the offset is UTC−6. Daylight saving time used: Yes.
First light in Arco comes at 8:06 AM today; darkness returns after 6:30 PM. The day gives 10 h 24 min of light.
Butte City and Lost River are neighbours of Arco on the same clock.
Questions and answers
- Which time zone contains Arco?
- Arco is in America/Boise, which has an offset of −6.
- Does Arco switch to summer time during the year?
- Daylight saving time observed in Arco: Yes.
- What time is last light in Arco?
- The sun sets at 6:30 PM.