Where is Arcturus right now?
Arcturus is located in the constellation Bootes. Although Arcturus is currently 50° above the horizon, it is not visible because it is daytime.
Twilight begins at 17:54 local time. At that moment, Arcturus will be 24° above the horizon toward the west.
Twilight begins at 17:54 local time. At that moment, Arcturus will be 24° above the horizon toward the west.
Track Arcturus position throughout the night
← 27 September 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Arcturus changing position in the night sky.
Where and When to Look for Arcturus Tonight
The best observable position of Arcturus is near 18:00: 23° above the horizon toward the west. Status: Best view.
Arcturus will become visible again around November 22 after moving far enough from the Sun. You can also see when Arcturus is visible throughout the year in a table with exact rise, transit, and set times for each date.
How Arcturus Moves Across the Sky
During this observing period, Arcturus moves from the south-east, reaches its highest sampled position at 23° toward the west, and finishes toward the south-east.
Astrometric and Physical Parameters of Arcturus
| Constellation | Bootes |
| Elevation | 24° |
| Direction | west (276°) |
| Right Ascension | 14h 15m |
| Declination | +19° 10′ |
| Magnitude | -0.05 |
Arcturus Passage Through Night
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Current position of Arcturus
| Time | 17:54 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 24° |
| Azimuth | 276° |
Here you can see the current position of Arcturus on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.
Arcturus Position by Hour
Select a row to move both interactive maps to that time.
| Time | Elevation | Azimuth | Direction | Visibility |
|---|---|---|---|---|
| Sep 26, 12:00 | 68° | 140° | south-east | Daylight |
| Sep 26, 13:00 | 72° | 180° | south | Daylight |
| Sep 26, 14:00 | 68° | 220° | south-west | Daylight |
| Sep 26, 15:00 | 58° | 243° | south-west | Daylight |
| Sep 26, 16:00 | 47° | 258° | south-west | Daylight |
| Sep 26, 17:00 | 35° | 268° | west | Twilight |
| Sep 26, 18:00 | 23° | 277° | west | Best view |
| Sep 26, 19:00 | 11° | 286° | north-west | Visible |
| Sep 26, 20:00 | 0° | 294° | north-west | Very low |
| Sep 26, 21:00 | -10° | 304° | north-west | Below horizon |
| Sep 26, 22:00 | -19° | 315° | north-west | Below horizon |
| Sep 26, 23:00 | -27° | 328° | north-west | Below horizon |
| Sep 27, 00:00 | -32° | 344° | north-west | Below horizon |
| Sep 27, 01:00 | -33° | 0° | north | Below horizon |
| Sep 27, 02:00 | -32° | 17° | north-east | Below horizon |
| Sep 27, 03:00 | -27° | 32° | north-east | Below horizon |
| Sep 27, 03:33 — Astronomical night ends | -23° | 40° | north-east | Below horizon |
| Sep 27, 04:00 | -19° | 45° | north-east | Below horizon |
| Sep 27, 04:03 — Twilight end | -19° | 46° | north-east | Below horizon |
| Sep 27, 04:34 — Civil sunrise | -14° | 52° | north-east | Below horizon |
| Sep 27, 05:00 | -10° | 57° | north-east | Below horizon |
| Sep 27, 05:01 — Sunrise | -10° | 57° | north-east | Below horizon |
| Sep 27, 06:00 | 1° | 66° | north-east | Daylight |
| Sep 27, 07:00 | 12° | 75° | north-east | Daylight |
| Sep 27, 08:00 | 24° | 83° | east | Daylight |
| Sep 27, 09:00 | 36° | 92° | east | Daylight |
| Sep 27, 10:00 | 47° | 103° | south-east | Daylight |
| Sep 27, 11:00 | 59° | 117° | south-east | Daylight |
| Sep 27, 12:00 | 68° | 142° | south-east | Daylight |