2025 astronomy calendar
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2025 calendar of astronomical events. Data is from the International Occultation and Timing Association (IOTA) Occultation Prediction Software (Occult).
Datetimes are in Coordinated Universal Time (UTC). Subtract 5 hours for USA Eastern Standard Time (EST) or subtract 4 hours for USA Eastern Daylight Time (EDT).
events
Diary of Astronomical Phenomena 2025
January
d h d h
1 12 Pluto 1.0N of Moon Occn 16 2 Mars at opposition
3 16 Venus 1.3N of Moon 16 17 Regulus 2.0S of Moon
4 9 Earth at perihelion 19 2 Venus 2.2N of Saturn
4 16 Saturn 0.6S of Moon Occn 21 4 Spica 0.1N of Moon Occn
5 14 Neptune 1.0S of Moon Occn 21 5 Moon at apogee
6 23 FIRST QUARTER 21 12 Pluto at conjunction
7 23 Moon at perigee 21 20 LAST QUARTER
9 14 Uranus 4.3S of Moon 22 21 Mars 2.4S of Pollux
10 3 Venus greatest elong E(47) 25 0 Antares 0.3N of Moon Occn
10 22 Jupiter 5.4S of Moon 26 13 Moon furthest South (-28.5)
12 4 Moon furthest North (28.5) 28 21 Mercury 2.4N of Moon
12 13 Mars nearest to Earth 28 22 Pluto 0.9N of Moon Occn
13 21 Pollux 2.1N of Moon 29 7 Mercury 1.4N of Pluto
13 22 FULL MOON 29 12 NEW MOON
14 3 Mars 0.2S of Moon Occn 30 18 Uranus stationary
February
d h d h
1 4 Saturn 1.0S of Moon Occn 12 13 FULL MOON
1 16 Venus 3.3N of Neptune 13 1 Regulus 1.9S of Moon
1 21 Neptune 1.2S of Moon Occn 17 12 Spica 0.3N of Moon Occn
1 22 Venus 2.1N of Moon 18 1 Moon at apogee
2 3 Moon at perigee 20 17 LAST QUARTER
4 13 Jupiter stationary 21 8 Antares 0.4N of Moon Occn
5 8 FIRST QUARTER 22 22 Moon furthest South (-28.7)
5 19 Uranus 4.5S of Moon 24 9 Mars stationary
7 2 Jupiter 5.4S of Moon 25 10 Pluto 0.9N of Moon Occn
8 10 Moon furthest North (28.6) 25 12 Mercury 1.5N of Saturn
9 11 Mercury superior conjunction 28 0 NEW MOON
9 19 Mars 0.7S of Moon Occn 28 3 Venus stationary
10 5 Pollux 2.0N of Moon 28 18 Saturn 1.3S of Moon
March
d h d h
1 4 Mercury 0.4N of Moon Occn 17 16 Moon at apogee
1 8 Neptune 1.4S of Moon 19 23 Neptune at conjunction
1 21 Moon at perigee 20 9 Equinox
2 3 Venus 5.7N of Moon 20 16 Antares 0.5N of Moon Occn
2 17 Mercury 1.9N of Neptune 22 6 Moon furthest South (-28.7)
5 1 Uranus 4.6S of Moon 22 11 LAST QUARTER
6 10 Jupiter 5.5S of Moon 23 1 Venus inferior conjunction
6 16 FIRST QUARTER 23 4 Venus greatest elong W(9)
7 15 Moon furthest North (28.7) 24 19 Mercury inferior conjunction
8 4 Mercury greatest elong E(18) 24 21 Pluto 0.8N of Moon Occn
9 0 Mars 1.6S of Moon 28 11 Saturn 1.7S of Moon
9 11 Pollux 2.0N of Moon 28 20 Neptune 1.5S of Moon
12 4 Mercury 5.6S of Venus 28 22 Mercury 2.0N of Moon
12 8 Regulus 2.0S of Moon 29 10 NEW MOON Eclipse
12 10 Saturn at conjunction 30 3 Mercury 3.4N of Neptune
14 6 FULL MOON Eclipse 30 5 Moon at perigee
14 21 Mercury stationary 31 20 Mars 4.0S of Pollux
16 19 Spica 0.3N of Moon Occn
April
d h d h
1 12 Uranus 4.6S of Moon 18 13 Moon furthest South (-28.6)
2 23 Jupiter 5.5S of Moon 21 1 LAST QUARTER
3 22 Moon furthest North (28.7) 21 6 Pluto 0.6N of Moon Occn
5 2 FIRST QUARTER 21 20 Mercury greatest elong W(27)
5 16 Pollux 2.0N of Moon 24 19 Venus 4.2N of Saturn
5 19 Mars 2.1S of Moon 25 2 Saturn 2.0S of Moon
6 7 Mercury stationary 25 3 Venus 2.1N of Moon
8 14 Regulus 1.9S of Moon 25 8 Neptune 1.7S of Moon
10 15 Venus stationary 25 22 Mercury 3.9S of Moon
13 0 FULL MOON 27 15 Moon at perigee
13 2 Spica 0.3N of Moon Occn 27 19 NEW MOON
13 22 Moon at apogee 29 0 Uranus 4.7S of Moon
16 22 Antares 0.4N of Moon Occn 30 17 Jupiter 5.3S of Moon
16 23 Mercury 0.6S of Neptune
May
d h d h
1 6 Moon furthest North (28.6) 20 11 LAST QUARTER
2 15 Venus 2.1N of Neptune 22 16 Saturn 2.5S of Moon
3 0 Pollux 2.1N of Moon 22 19 Neptune 1.9S of Moon
4 0 Mars 2.0S of Moon 23 21 Venus 3.6S of Moon
4 13 FIRST QUARTER 24 23 Mercury 0.1S of Uranus
5 20 Regulus 1.8S of Moon 26 1 Moon at perigee
6 6 Pluto stationary 26 13 Uranus 4.7S of Moon
10 8 Spica 0.3N of Moon Occn 26 20 Mercury 4.6S of Moon
11 0 Moon at apogee 27 3 NEW MOON
12 16 FULL MOON 28 13 Jupiter 5.2S of Moon
14 4 Antares 0.3N of Moon Occn 28 16 Moon furthest North (28.5)
15 18 Moon furthest South (-28.5) 30 4 Mercury superior conjunction
17 23 Uranus at conjunction 30 9 Pollux 2.3N of Moon
18 12 Pluto 0.4N of Moon Occn
June
d h d h
1 5 Venus greatest elong W(46) 19 2 Neptune 2.2S of Moon
1 10 Mars 1.3S of Moon 21 2 Solstice
2 3 Regulus 1.6S of Moon 22 6 Mercury 5.0S of Pollux
3 3 FIRST QUARTER 23 1 Uranus 4.8S of Moon
6 14 Spica 0.5N of Moon Occn 23 4 Moon at perigee
7 11 Moon at apogee 24 15 Jupiter at conjunction
8 20 Mercury 1.9N of Jupiter 25 1 Moon furthest North (28.4)
10 11 Antares 0.3N of Moon Occn 25 9 Jupiter 5.0S of Moon
11 7 FULL MOON 25 10 NEW MOON
11 23 Moon furthest South (-28.4) 26 19 Pollux 2.4N of Moon
14 17 Pluto 0.1N of Moon Occn 27 7 Mercury 2.8S of Moon
17 16 Mars 0.7N of Regulus 29 12 Regulus 1.3S of Moon
18 19 LAST QUARTER 30 1 Mars 0.2S of Moon Occn
19 1 Saturn 3.0S of Moon
July
d h d h
2 19 FIRST QUARTER 16 8 Neptune 2.4S of Moon
3 21 Spica 0.7N of Moon Occn 17 7 Mercury stationary
3 23 Earth at aphelion 18 0 LAST QUARTER
4 2 Mercury greatest elong E(26) 20 11 Uranus 5.0S of Moon
4 12 Venus 2.4S of Uranus 20 13 Moon at perigee
5 2 Moon at apogee 22 9 Moon furthest North (28.5)
5 14 Neptune stationary 23 4 Jupiter 4.9S of Moon
7 18 Antares 0.4N of Moon Occn 24 4 Pollux 2.5N of Moon
9 5 Moon furthest South (-28.4) 24 19 NEW MOON
10 20 FULL MOON 25 6 Pluto at opposition
11 22 Pluto 0.0N of Moon Occn 26 21 Regulus 1.2S of Moon Occn
13 18 Venus 3.2N of Aldebaran 28 18 Mars 1.1N of Moon Occn
14 8 Saturn stationary 31 5 Spica 0.9N of Moon Occn
16 7 Saturn 3.4S of Moon 31 23 Mercury inferior conjunction
August
d h d h
1 12 FIRST QUARTER 18 15 Moon furthest North (28.6)
1 20 Moon at apogee 19 10 Mercury greatest elong W(18)
4 2 Antares 0.5N of Moon Occn 19 22 Jupiter 4.7S of Moon
5 13 Moon furthest South (-28.5) 20 11 Pollux 2.4N of Moon
8 5 Pluto 0.0N of Moon Occn 20 12 Venus 4.7S of Moon
9 7 FULL MOON 21 18 Mercury 3.5S of Moon
10 16 Mercury stationary 23 5 Regulus 1.2S of Moon Occn
12 5 Venus 0.9S of Jupiter 23 6 NEW MOON
12 12 Saturn 3.6S of Moon 26 14 Mars 2.5N of Moon
12 13 Neptune 2.5S of Moon 27 13 Spica 1.0N of Moon Occn
14 18 Moon at perigee 29 14 Moon at apogee
16 5 LAST QUARTER 31 6 FIRST QUARTER
16 18 Uranus 5.2S of Moon 31 10 Antares 0.6N of Moon Occn
September
d h d h
1 21 Moon furthest South (-28.6) 19 12 Regulus 1.2S of Moon Occn
2 15 Mercury 1.2N of Regulus 19 12 Venus 0.7S of Moon Occn
4 13 Pluto 0.0N of Moon Occn 19 16 Venus 0.5N of Regulus
6 5 Uranus stationary 21 5 Saturn at opposition
7 18 FULL MOON Eclipse 21 19 NEW MOON Eclipse
8 17 Saturn 3.5S of Moon 22 11 Mercury 2.5N of Moon
8 20 Neptune 2.5S of Moon 22 18 Equinox
10 12 Moon at perigee 23 12 Neptune at opposition
13 0 Uranus 5.3S of Moon 23 21 Spica 1.0N of Moon Occn
13 11 Mercury superior conjunction 24 11 Mars 3.6N of Moon
13 15 Mars 2.2N of Spica 26 9 Moon at apogee
14 10 LAST QUARTER 27 18 Antares 0.6N of Moon Occn
14 21 Moon furthest North (28.6) 29 5 Moon furthest South (-28.6)
16 12 Jupiter 4.4S of Moon 29 23 FIRST QUARTER
16 17 Pollux 2.4N of Moon
October
d h d h
1 22 Pluto 0.0N of Moon Occn 19 18 Venus 3.2N of Moon
2 22 Mercury 1.7N of Spica 20 7 Mercury 2.0S of Mars
6 0 Saturn 3.3S of Moon 21 4 Spica 1.0N of Moon Occn
6 5 Neptune 2.5S of Moon 21 12 NEW MOON
7 3 FULL MOON 23 10 Mars 4.3N of Moon
8 13 Moon at perigee 23 14 Mercury 2.1N of Moon
10 6 Uranus 5.1S of Moon 23 23 Moon at apogee
12 3 Moon furthest North (28.5) 25 0 Antares 0.5N of Moon Occn
13 18 LAST QUARTER 26 12 Moon furthest South (-28.5)
13 23 Jupiter 4.2S of Moon 29 6 Pluto 0.1S of Moon Occn
13 23 Pollux 2.5N of Moon 29 16 FIRST QUARTER
14 7 Pluto stationary 29 19 Mercury greatest elong E(24)
16 18 Regulus 1.1S of Moon Occn
November
d h d h
2 7 Venus 3.5N of Spica 19 4 Venus 5.4N of Moon
2 8 Saturn 3.2S of Moon 20 3 Moon at apogee
2 15 Neptune 2.5S of Moon 20 6 NEW MOON
5 13 FULL MOON 20 7 Mercury 5.3N of Moon
5 23 Moon at perigee 20 9 Mercury inferior conjunction
6 15 Uranus 5.0S of Moon 21 6 Antares 0.4N of Moon Occn
8 11 Moon furthest North (28.4) 21 11 Mars 4.4N of Moon
9 19 Mercury stationary 21 12 Uranus at opposition
10 6 Pollux 2.7N of Moon 22 17 Moon furthest South (-28.3)
10 9 Jupiter 3.8S of Moon 25 2 Mercury 1.0N of Venus
11 19 Jupiter stationary 25 13 Pluto 0.4S of Moon Occn
12 5 LAST QUARTER 28 6 FIRST QUARTER
12 22 Mercury 1.2S of Mars 29 0 Saturn stationary
13 0 Regulus 0.9S of Moon Occn 29 16 Saturn 3.3S of Moon
17 10 Spica 1.0N of Moon Occn 29 18 Mercury stationary
18 12 Mars 4.0N of Antares 30 0 Neptune 2.7S of Moon
December
d h d h
4 1 Uranus 5.0S of Moon 18 13 Antares 0.4N of Moon Occn
4 11 Moon at perigee 19 11 Mercury 5.5N of Antares
4 23 FULL MOON 19 16 Venus 4.8N of Moon
5 22 Moon furthest North (28.3) 19 22 Moon furthest South (-28.2)
7 16 Jupiter 3.6S of Moon 20 1 NEW MOON
7 16 Pollux 2.9N of Moon 20 12 Mars 3.8N of Moon
8 3 Mercury greatest elong W(21) 21 15 Solstice
8 21 Venus 5.0N of Antares 22 20 Pluto 0.6S of Moon Occn
10 7 Regulus 0.7S of Moon Occn 27 0 Saturn 3.6S of Moon
10 23 Neptune stationary 27 6 Neptune 2.9S of Moon
11 20 LAST QUARTER 27 19 FIRST QUARTER
14 16 Spica 1.2N of Moon 31 9 Uranus 5.1S of Moon
17 6 Moon at apogee
see also
- 2025 Solar System ephemeris
- 2025 Lunar ephemeris
- Lunar occultations of major planets in 2025
- Lunar occultations of minor planets in 2025
- Lunar occultations of stars in 2025
- Jovian satellite syzygies in 2025
- Saturnian satellite syzygies in 2025
- 2024 astronomy calendar
- 2026 astronomy calendar
- astronomical events by year