The Earth, as seen by the Apollo 17 astronauts. © NASA
21 December will be the longest day of 2024 in the southern hemisphere.

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Moon at Last Quarter

From the Moon feed

Lunar occultation of Spica

From the Lunar Occultations feed

Mercury at greatest elongation west

From the Inner Planets feed

The cluster NGC 2232 is well placed

From the Deep Sky feed

Mercury at highest altitude in morning sky

From the Inner Planets feed

Quadrantid meteor shower 2025

From the Meteor Showers feed

Constellations More »

Canis Major

The greater dog; in Greek mythology, a hunting dog belonging to Orion, depicted pursuing the hare Lepus.

Orion

The hunter; associated in Greek mythology with a son of Poseidon, but associated by the Sumerians with their great hero Gilgamesh.

Lepus

The hare; often depicted being chased by Orion and his two dogs.

Columba

The dove; introduced by Plancius in 1592. In Biblical history, said to be the dove of Noah.

Mensa

Table Mountain, South Africa; a modern constellation introduced by Lacaille in 1756, celebrating his southern-hemisphere observing site.

Astronomical Charts

Guides to Astronomy

Ephemerides

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Canberra

Latitude:
Longitude:
Timezone:

35.28°S
149.13°E
AEDT

Color scheme


Sat, Dec 21, 2024


Sunrise 05:42
Sunset 20:17
Twilight ends 22:05
begins 03:54

20-day old moon
Waning Gibbous

61%

20 days old


Rise Set
Mercury 04:29 18:29
Venus 09:19 23:12
Moon 00:08 11:11
Mars 22:40 08:30
Jupiter 18:55 04:49
Saturn 11:37 00:30

All times shown in AEDT.
The sky on 21 December 2024
Sunrise
05:42
Sunset
20:17
Twilight ends
22:05
Twilight begins
03:54

20-day old moon
Waning Gibbous

61%

20 days old

Planets
Rise Culm. Set
Mercury 04:29 11:29 18:29
Venus 09:19 16:16 23:12
Moon 00:08 05:35 11:11
Mars 22:40 03:35 08:30
Jupiter 18:55 23:52 04:49
Saturn 11:37 18:04 00:30
All times shown in AEDT.