Horologium Constellation
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Horologium, the clock, is a faint southern constellation named by Nicolas-Louis de Lacaille to honor timekeeping.
Horologium Rise and Set Timetable
| Time | Elevation | |
Moonrise, 51.4% illuminated  | 13:23 | -71° |
| Astronomical observing session begins | 18:05 | -51° |
| Moonset | 22:40 | -12° |
| Horologium rise | 01:17 | |
| Horologium transit | 02:35 | 2° |
| Horologium set | 03:54 | |
| Astronomical observing session ends | 03:57 | -0° |
Track Horologium position throughout the night
← 20 September 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Horologium changing position in the night sky.
Annual motion of Horologium
| Date | Sun, 20 September 2026 |
| Twilight start | 18:32 |
| Twilight end | 03:20 |
| Twilight duration | 9h 48m |
| Rise | 01:17 |
| Set | 03:54 |
| Elevation at transit | 2° |
| Transit time | 02:35 |
| Equatorial coordinates | RA: 03h 25m 31s", Dec: -50° 57' 42s |