Where is Arcturus right now?
Arcturus is located in the constellation Bootes. Although Arcturus is currently 47° above the horizon, it is not visible because it is daytime.
Twilight begins at 17:24 local time. At that moment, Arcturus will be 14° above the horizon toward the north-west.
Twilight begins at 17:24 local time. At that moment, Arcturus will be 14° above the horizon toward the north-west.
Track Arcturus position throughout the night
← 18 October 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 17:00: 19° 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-west, reaches its highest sampled position at 19° toward the west, and finishes toward the south-west.
Astrometric and Physical Parameters of Arcturus
| Constellation | Bootes |
| Elevation | 14° |
| Direction | north-west (284°) |
| Right Ascension | 14h 15m |
| Declination | +19° 10′ |
| Magnitude | -0.05 |
Arcturus Passage Through Night
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Current position of Arcturus
| Time | 17:24 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 14° |
| Azimuth | 284° |
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 |
|---|---|---|---|---|
| Oct 17, 12:00 | 71° | 196° | south-west | Daylight |
| Oct 17, 13:00 | 64° | 230° | south-west | Daylight |
| Oct 17, 14:00 | 54° | 250° | south-west | Daylight |
| Oct 17, 15:00 | 43° | 262° | west | Daylight |
| Oct 17, 16:00 | 31° | 272° | west | Daylight |
| Oct 17, 17:00 | 19° | 280° | west | Best view |
| Oct 17, 18:00 | 7° | 289° | north-west | Very low |
| Oct 17, 19:00 | -4° | 298° | north-west | Below horizon |
| Oct 17, 20:00 | -14° | 308° | north-west | Below horizon |
| Oct 17, 21:00 | -23° | 320° | north-west | Below horizon |
| Oct 17, 22:00 | -29° | 334° | north-west | Below horizon |
| Oct 17, 23:00 | -33° | 350° | north | Below horizon |
| Oct 18, 00:00 | -33° | 7° | north | Below horizon |
| Oct 18, 01:00 | -30° | 23° | north-east | Below horizon |
| Oct 18, 02:00 | -24° | 38° | north-east | Below horizon |
| Oct 18, 03:00 | -16° | 50° | north-east | Below horizon |
| Oct 18, 03:51 — Astronomical night ends | -7° | 59° | north-east | Below horizon |
| Oct 18, 04:00 | -6° | 60° | north-east | Below horizon |
| Oct 18, 04:22 — Twilight end | -2° | 64° | north-east | Below horizon |
| Oct 18, 04:52 — Civil sunrise | 3° | 68° | north-east | Very low |
| Oct 18, 05:00 | 5° | 70° | north-east | Very low |
| Oct 18, 05:20 — Sunrise | 9° | 72° | north-east | Very low |
| Oct 18, 06:00 | 16° | 78° | north-east | Daylight |
| Oct 18, 07:00 | 28° | 87° | east | Daylight |
| Oct 18, 08:00 | 40° | 96° | east | Daylight |
| Oct 18, 09:00 | 52° | 108° | south-east | Daylight |
| Oct 18, 10:00 | 63° | 125° | south-east | Daylight |
| Oct 18, 11:00 | 70° | 155° | south-east | Daylight |
| Oct 18, 12:00 | 71° | 199° | south-west | Daylight |