2025 Calendar of Astronomical Events




    


2025 Phases of the Moon

Pacific Standard Time

The following table gives the date and time of the Moon's phases for the year. If Daylight Saving Time is in effect, add one hour to the times listed.

2025 Phases of the Moon
Pacific Standard Time
New Moon First Quarter Full Moon Last Quarter
- Jan 6 15:56 Jan 13 14:27 Jan 21 12:31
Jan 29 04:36 Feb 5 00:02 Feb 12 05:53 Feb 20 09:33
Feb 27 16:45 Mar 6 08:32 Mar 13 22:55 t Mar 22 03:30
Mar 29 02:58 P Apr 4 18:15 Apr 12 16:22 Apr 20 17:36
Apr 27 11:31 May 4 05:52 May 12 08:56 May 20 03:59
May 26 19:02 Jun 2 19:41 Jun 10 23:44 Jun 18 11:19
Jun 25 02:31 Jul 2 11:30 Jul 10 12:37 Jul 17 16:38
Jul 24 11:11 Aug 1 04:41 Aug 8 23:55 Aug 15 21:12
Aug 22 22:06 Aug 30 22:25 Sep 7 10:09 t Sep 14 02:33
Sep 21 11:54 P Sep 29 15:54 Oct 6 19:47 Oct 13 10:13
Oct 21 04:25 Oct 29 08:21 Nov 5 05:19 Nov 11 21:28
Nov 19 22:47 Nov 27 22:59 Dec 4 15:14 Dec 11 12:52
Dec 19 17:43 Dec 27 11:10 --

An eclipse of the Sun can only occur at New Moon (see: Solar Eclipses for Beginners), while an eclipse of the Moon can only occur at Full Moon (see: Lunar Eclipses for Beginners). In any calendar year there are a minimum of two solar and two lunar eclipses.

If an eclipse of the Sun or Moon takes place on a given date, it is noted by a character next to the date in the table above. Solar eclipses are indicated as: T=Total, A=Annular, H=Hybrid and P=Partial. Lunar eclipses are indicated as: t=Total, p=Partial, and n=Penumbral.

Phases of the Moon Photo Gallery is an image collection showing the Moon's phases over a complete synodic month.



2025 Calendar of Astronomical Events

Pacific Standard Time

The following table gives the date and time of the important astronomical events for the year. If Daylight Saving Time is in effect, add one hour to the times listed. A key to astronomical terms appears below the calendar.

2025 Calendar of Astronomical Events
January - June July - December
Date     PST   Event
        (h:m)

Jan 03  07:24  Venus 1.4°N of Moon
    03  07     Quadrantid Meteor Shower
    04  06     Earth at Perihelion: 0.98333 AU
    04  09:18  Saturn 0.7°S of Moon: Occn.
    05  11:46  Moon at Ascending Node 
    06  15:56  FIRST QUARTER MOON 
    07  15:34  Moon at Perigee: 370173 km
    09  17:01  Pleiades 0.3°S of Moon
    09  20     Venus at Greatest Elong: 47.2°E
    10  15:13  Jupiter 5.4°S of Moon
    13  13:45  Pollux 2.1°N of Moon
    13  14:27  FULL MOON 
    13  19:42  Mars 0.2°S of Moon: Occn.
    14  13:03  Beehive 2.6°S of Moon
    15  17     Mars at Opposition 
    16  06:57  Regulus 2.2°S of Moon
    18  17:48  Moon at Descending Node 
    19  06     Mercury at Aphelion 
    20  19:53  Spica 0.1°N of Moon
    20  20:55  Moon at Apogee: 404299 km
    21  12:31  LAST QUARTER MOON 
    23  09:07  Mars 2.3°S of Pollux
    24  15:34  Antares 0.3°N of Moon
    29  04:36  NEW MOON 
    31  12:27  Jupiter 5.1°N of Aldebaran
    31  20:46  Saturn 1.1°S of Moon: Occn.

Feb 01  12:27  Venus 2.3°N of Moon
    01  14:06  Moon at Ascending Node 
    01  18:43  Moon at Perigee: 367457 km
    05  00:02  FIRST QUARTER MOON 
    05  22:43  Pleiades 0.5°S of Moon
    06  19:35  Jupiter 5.5°S of Moon
    09  04     Mercury at Superior Conjunction 
    09  11:36  Mars 0.8°S of Moon: Occn.
    09  21:19  Pollux 2.1°N of Moon
    10  21:03  Beehive 2.6°S of Moon
    12  05:53  FULL MOON 
    12  15:21  Regulus 2.2°S of Moon
    14  22:53  Moon at Descending Node 
    17  04:01  Spica 0.3°N of Moon
    17  17:11  Moon at Apogee: 404882 km
    19  10     Venus at Perihelion 
    20  09:33  LAST QUARTER MOON 
    21  00:21  Antares 0.4°N of Moon
    25  01     Mercury 1.4° of Saturn
    27  16:45  NEW MOON 
    28  20:03  Mercury 0.4°N of Moon: Occn.
    28  21:40  Moon at Ascending Node 

Mar 01  13:18  Moon at Perigee: 361967 km
    04  06     Mercury at Perihelion 
    05  04:32  Pleiades 0.6°S of Moon
    06  03:31  Jupiter 5.6°S of Moon
    06  08:32  FIRST QUARTER MOON 
    07  22     Mercury at Greatest Elong: 18.2°E
    08  16:27  Mars 1.7°S of Moon
    09  03:06  Pollux 2.0°N of Moon
    10  03:10  Beehive 2.6°S of Moon
    11  22:07  Regulus 2.2°S of Moon
    12  02     Saturn in Conjunction with Sun 
    12  10     Mercury 5.5° of Venus
    13  22:55  FULL MOON 
    13  22:59  Total Lunar Eclipse; mag=1.178
    14  05:45  Moon at Descending Node 
    16  11:16  Spica 0.3°N of Moon
    17  08:37  Moon at Apogee: 405754 km
    19  14     Neptune in Conjunction with Sun 
    20  01:02  Vernal Equinox 
    20  07:58  Antares 0.5°N of Moon
    22  03:30  LAST QUARTER MOON 
    22  17     Venus at Inferior Conjunction 
    24  12     Mercury at Inferior Conjunction 
    28  08:29  Moon at Ascending Node 
    29  02:47  Partial Solar Eclipse; mag=0.938
    29  02:58  NEW MOON 
    29  11:29  Mars 3.9°S of Pollux
    29  21:26  Moon at Perigee: 358127 km

Apr 01  12:28  Pleiades 0.6°S of Moon
    02  16:24  Jupiter 5.5°S of Moon
    04  18:15  FIRST QUARTER MOON 
    05  08:46  Pollux 2.0°N of Moon
    05  11:04  Mars 2.2°S of Moon
    06  08:44  Beehive 2.6°S of Moon
    08  03:51  Regulus 2.2°S of Moon
    10  04     Mercury 2.1° of Saturn
    10  11:56  Moon at Descending Node 
    12  16:22  FULL MOON 
    12  17:39  Spica 0.3°N of Moon
    13  14:48  Moon at Apogee: 406295 km
    16  14:19  Antares 0.4°N of Moon
    16  15     Mars at Aphelion 
    20  17:36  LAST QUARTER MOON 
    21  11     Mercury at Greatest Elong: 27.4°W
    22  05     Lyrid Meteor Shower
    24  17:21  Venus 2.4°N of Moon
    24  18:23  Moon at Ascending Node 
    24  20:15  Saturn 2.3°S of Moon
    25  17:05  Mercury 4.4°S of Moon
    27  08:15  Moon at Perigee: 357119 km
    27  11:31  NEW MOON 
    28  22:35  Pleiades 0.5°S of Moon
    30  09:34  Jupiter 5.4°S of Moon

May 02  16:02  Pollux 2.1°N of Moon
    03  15:12  Mars 2.1°S of Moon
    03  15:27  Beehive 2.5°S of Moon
    04  04:03  Mars 0.3°N of Beehive
    04  05:52  FIRST QUARTER MOON 
    04  18     Eta-Aquarid Meteor Shower
    05  09:58  Regulus 2.0°S of Moon
    07  15:44  Moon at Descending Node 
    09  23:43  Spica 0.4°N of Moon
    10  16:49  Moon at Apogee: 406245 km
    12  08:56  FULL MOON 
    13  20:10  Antares 0.3°N of Moon
    17  17     Uranus in Conjunction with Sun 
    20  03:59  LAST QUARTER MOON 
    22  00:05  Moon at Ascending Node 
    22  09:51  Saturn 2.8°S of Moon
    23  15:52  Venus 4.0°S of Moon
    25  17:37  Moon at Perigee: 359023 km
    26  19:02  NEW MOON 
    29  20     Mercury at Superior Conjunction 
    30  01:13  Pollux 2.3°N of Moon
    31  00:00  Beehive 2.2°S of Moon
    31  05     Mercury at Perihelion 
    31  18     Venus at Greatest Elong: 45.9°W

Jun 01  01:49  Mars 1.4°S of Moon
    01  17:30  Regulus 1.8°S of Moon
    02  19:41  FIRST QUARTER MOON 
    03  17:33  Moon at Descending Node 
    06  06:15  Spica 0.5°N of Moon
    07  02:42  Moon at Apogee: 405553 km
    10  02:25  Antares 0.3°N of Moon
    10  23:44  FULL MOON 
    11  19     Venus at Aphelion 
    16  18:05  Mars 0.7°N of Regulus
    18  01:41  Moon at Ascending Node 
    18  11:19  LAST QUARTER MOON 
    18  19:47  Saturn 3.4°S of Moon
    20  18:42  Summer Solstice 
    21  11:51  Mercury 4.8°S of Pollux
    22  18:59  Pleiades 0.6°S of Moon
    22  20:43  Moon at Perigee: 363178 km
    24  07     Jupiter in Conjunction with Sun 
    25  02:31  NEW MOON 
    26  22:02  Mercury 2.9°S of Moon
    27  09:42  Beehive 2.0°S of Moon
    29  02:26  Regulus 1.5°S of Moon
    29  17:05  Mars 0.2°S of Moon: Occn.
    30  19:46  Moon at Descending Node 

Date     PST   Event
        (h:m)

Jul 02  09:36  Mercury 1.2°S of Beehive
    02  11:30  FIRST QUARTER MOON 
    03  13     Earth at Aphelion: 1.01664 AU
    03  13:39  Spica 0.8°N of Moon
    03  20     Mercury at Greatest Elong: 25.9°E
    04  07:44  Venus 6.5°S of Pleiades
    04  18:29  Moon at Apogee: 404627 km
    07  09:37  Antares 0.4°N of Moon
    10  12:37  FULL MOON 
    13  00:32  Venus 3.1°N of Aldebaran
    14  05     Mercury at Aphelion 
    15  02:42  Moon at Ascending Node 
    16  02:19  Saturn 3.8°S of Moon
    17  16:38  LAST QUARTER MOON 
    20  02:27  Pleiades 0.7°S of Moon
    20  05:52  Moon at Perigee: 368047 km
    22  20:20  Jupiter 4.9°S of Moon
    24  11:11  NEW MOON 
    26  11:44  Regulus 1.4°S of Moon
    27  20     Delta-Aquarid Meteor Shower
    28  00:30  Moon at Descending Node 
    28  11:45  Mars 1.3°N of Moon
    30  21:45  Spica 1.0°N of Moon
    31  16     Mercury at Inferior Conjunction 

Aug 01  04:41  FIRST QUARTER MOON 
    01  12:37  Moon at Apogee: 404164 km
    03  17:40  Antares 0.6°N of Moon
    08  23:55  FULL MOON 
    11  06:53  Moon at Ascending Node 
    12  07:05  Saturn 4.0°S of Moon
    12  12     Perseid Meteor Shower
    14  10:01  Moon at Perigee: 369287 km
    15  21:12  LAST QUARTER MOON 
    16  08:09  Pleiades 0.9°S of Moon
    18  20:58  Mercury 2.6°S of Beehive
    19  02     Mercury at Greatest Elong: 18.6°W
    19  13:05  Jupiter 4.8°S of Moon
    19  22:15  Venus 7.1°S of Pollux
    20  02:51  Venus 4.9°S of Moon
    20  04:07  Pollux 2.4°N of Moon
    21  03:09  Beehive 2.0°S of Moon
    21  08:14  Mercury 3.7°S of Moon
    22  22:06  NEW MOON 
    24  07:41  Moon at Descending Node 
    26  08:41  Mars 2.8°N of Moon
    27  04     Mercury at Perihelion 
    27  05:57  Spica 1.1°N of Moon
    29  07:34  Moon at Apogee: 404552 km
    30  22:25  FIRST QUARTER MOON 
    31  01:55  Antares 0.7°N of Moon
    31  09:57  Venus 1.4°S of Beehive

Sep 07  10:09  FULL MOON 
    07  10:12  Total Lunar Eclipse; mag=1.362
    07  15:08  Moon at Ascending Node 
    08  12:09  Saturn 4.0°S of Moon
    10  04:09  Moon at Perigee: 364781 km
    12  13:48  Pleiades 1.0°S of Moon
    12  19:28  Mars 2.0°N of Spica
    13  03     Mercury at Superior Conjunction 
    14  02:33  LAST QUARTER MOON 
    16  03:06  Jupiter 4.6°S of Moon
    16  09:58  Pollux 2.4°N of Moon
    17  09:24  Beehive 2.0°S of Moon
    19  00:57  Venus 0.4°N of Regulus
    19  03:11  Regulus 1.3°S of Moon
    19  03:46  Venus 0.8°S of Moon: Occn.
    20  15:13  Moon at Descending Node 
    20  21     Saturn at Opposition 
    21  11:42  Partial Solar Eclipse; mag=0.855
    21  11:54  NEW MOON 
    22  10:20  Autumnal Equinox 
    23  03     Neptune at Opposition 
    23  13:31  Spica 1.1°N of Moon
    24  06:50  Mars 3.9°N of Moon
    26  01:46  Moon at Apogee: 405552 km
    27  09:34  Antares 0.6°N of Moon
    29  15:54  FIRST QUARTER MOON 

Oct 02  03     Venus at Perihelion 
    05  01:20  Moon at Ascending Node 
    05  18:46  Saturn 3.8°S of Moon
    06  19:47  FULL MOON 
    08  04:36  Moon at Perigee: 359819 km
    08  13:17  Jupiter 6.6°S of Pollux
    09  21:20  Pleiades 0.9°S of Moon
    13  10:13  LAST QUARTER MOON 
    13  14:31  Jupiter 4.3°S of Moon
    13  15:31  Pollux 2.5°N of Moon
    14  14:53  Beehive 1.9°S of Moon
    16  08:56  Regulus 1.3°S of Moon
    17  20:34  Moon at Descending Node 
    19  12     Mercury 2.0° of Mars
    19  13:37  Venus 3.7°N of Moon
    21  04     Orionid Meteor Shower
    21  04:25  NEW MOON 
    23  08:15  Mercury 2.3°N of Moon
    23  15:31  Moon at Apogee: 406445 km
    24  16:15  Antares 0.5°N of Moon
    29  08:21  FIRST QUARTER MOON 
    29  14     Mercury at Greatest Elong: 23.9°E

Nov 01  09:46  Moon at Ascending Node 
    01  17:02  Venus 3.3°N of Spica
    02  02:46  Saturn 3.7°S of Moon
    05  05     S Taurid Meteor Shower
    05  05:19  FULL MOON 
    05  14:29  Moon at Perigee: 356833 km
    06  07:26  Pleiades 0.8°S of Moon
    08  18:41  Mercury 2.6°N of Antares
    09  22:40  Pollux 2.7°N of Moon
    09  23:56  Jupiter 4.0°S of Moon
    10  21:27  Beehive 1.7°S of Moon
    11  21:28  LAST QUARTER MOON 
    12  04     N Taurid Meteor Shower
    12  14:51  Regulus 1.1°S of Moon
    12  20     Mercury 1.2° of Mars
    13  22:38  Moon at Descending Node 
    17  02:11  Spica 1.2°N of Moon
    17  10     Leonid Meteor Shower
    19  18:48  Moon at Apogee: 406693 km
    19  22:47  NEW MOON 
    20  01     Mercury at Inferior Conjunction 
    21  05     Uranus at Opposition 
    23  03     Mercury at Perihelion 
    27  22:59  FIRST QUARTER MOON 
    28  13:33  Moon at Ascending Node 
    29  11:08  Saturn 3.7°S of Moon

Dec 03  18:54  Pleiades 0.8°S of Moon
    04  03:06  Moon at Perigee: 356962 km
    04  15:14  FULL MOON 
    07  07:48  Jupiter 3.7°S of Moon
    07  08:21  Pollux 2.9°N of Moon
    07  13     Mercury at Greatest Elong: 20.7°W
    08  06:23  Beehive 1.5°S of Moon
    09  22:32  Regulus 0.8°S of Moon
    10  23:35  Moon at Descending Node 
    11  12:52  LAST QUARTER MOON 
    13  23     Geminid Meteor Shower
    14  08:27  Spica 1.4°N of Moon
    16  22:09  Moon at Apogee: 406324 km
    17  16:19  Jupiter 6.4°S of Pollux
    19  06:05  Mercury 5.4°N of Antares
    19  17:43  NEW MOON 
    21  07:03  Winter Solstice 
    22  08     Ursid Meteor Shower
    25  14:03  Moon at Ascending Node 
    26  19:24  Saturn 4.0°S of Moon
    27  11:10  FIRST QUARTER MOON 
    31  05:21  Pleiades 0.9°S of Moon

    

Astronomical Definitions

  • Perihelion - the instant when a planet is closest to the Sun
  • Aphelion - the instant when a planet is furthest from the Sun
  • Perigee - the instant when the Moon is closest to Earth
  • Apogee - the instant when the Moon is furthest from Earth
  • Inferior Conjunction - the instant when a planet passes between Earth and the Sun (Mercury or Venus)
  • Superior Conjunction - the instant when a planet passes on the opposite side of the Sun from Earth (Mercury or Venus)
  • Greatest Elongation - elongation is the apparent angle between a planet and the Sun as seen from Earth; during eastern elongation (E), the planet appears as an evening star; during western elongation (W), the planet appears as a morning star
  • Opposition - the instant when a planet appears opposite the Sun as seen from Earth
  • Conjunction - the instant when a planet appears closest the Sun as seen from Earth
  • Occultation - the Moon occults or eclipses a star or planet
  • Ascending Node - the point where a planet crosses from the southern to northern portion of its orbit
  • Descending Node - the point where a planet crosses from the northern to the southern portion of its orbit



Calendars for Other Years and Time Zones

The table below contains links to astronomical events calendars for a range of years and Time Zones. Abbreviations for the time zones are: GMT = Greenwich Mean Time, AST = Atlantic Standard Time, EST = Eastern Standard Time, CST = Central Standard Time, MST = Mountain Standard Time, PST = Pacific Standard Time, AKST = Alaskan Standard Time, and HST = Hawaiian Standard Time.

Calendar of Astronomical Events
GMT 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
AST 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
EST 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
CST 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
MST 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
PST 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
AKST 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
HST 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

For years or time zones not covered above, please visit SKYCAL the astronomical events calendar generator.

Accuracy

The times of astronomical events listed with a precision in hours and minutes (i.e., hh:mm) are accurate to the nearest minute. Similarly, the times of astronomical events listed with a precision in hours (i.e., hh) are accurate to the nearest hour.

A simplified solar ephemeris results an accuracy of ±0.5 hours for the perihelion and aphelion of Earth. The algorithm used in the perihelion and aphelion of the other planets is based on unperturbed elliptical orbits. For Mars, the accuracy is about 2 hours. Due to mutual planetary perturbations, the times for Jupiter may be in error by several weeks, while Saturn's times may be in error by a month. The times for Uranus and Neptune may be in error by several months. In the future, we plan to develop algorithms to improve the computed times of perihelion and aphelion of the planets.

Acknowledgements

All calculations are by Fred Espenak, and he assumes full responsibility for their accuracy. Algorithms used in predicting the phases of the Moon, eclipses and other sky phenomena are based on Astronomical Algorithms by Jean Meeus (Willmann-Bell, Inc., Richmond, 1998).

Permission is freely granted to reproduce this data when accompanied by the acknowledgment:


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