2012 Calendar of Astronomical Events




    


2012 Phases of the Moon

Greenwich Mean 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.

2012 Phases of the Moon
Greenwich Mean Time
New Moon First Quarter Full Moon Last Quarter
- Jan 1 06:15 Jan 9 07:30 Jan 16 09:08
Jan 23 07:39 Jan 31 04:10 Feb 7 21:54 Feb 14 17:04
Feb 21 22:35 Mar 1 01:22 Mar 8 09:40 Mar 15 01:25
Mar 22 14:37 Mar 30 19:41 Apr 6 19:19 Apr 13 10:50
Apr 21 07:18 Apr 29 09:58 May 6 03:35 May 12 21:47
May 20 23:47 A May 28 20:16 Jun 4 11:12 p Jun 11 10:41
Jun 19 15:02 Jun 27 03:30 Jul 3 18:52 Jul 11 01:48
Jul 19 04:24 Jul 26 08:56 Aug 2 03:27 Aug 9 18:55
Aug 17 15:54 Aug 24 13:54 Aug 31 13:58 Sep 8 13:15
Sep 16 02:11 Sep 22 19:41 Sep 30 03:19 Oct 8 07:33
Oct 15 12:02 Oct 22 03:32 Oct 29 19:50 Nov 7 00:36
Nov 13 22:08 T Nov 20 14:31 Nov 28 14:46 n Dec 6 15:32
Dec 13 08:42 Dec 20 05:19 Dec 28 10:21 -

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.



2012 Calendar of Astronomical Events

Greenwich Mean 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.

2012 Calendar of Astronomical Events
January - June July - December
Date     GMT   Event
        (h:m)

Jan 01  06:15  FIRST QUARTER MOON 
    02  20:19  Moon at Apogee: 404580 km
    03  02:46  Jupiter 5.0°S of Moon
    04  07     Quadrantid Meteor Shower
    05  01     Earth at Perihelion: 0.98328 AU
    05  09:17  Pleiades 2.8°N of Moon
    06  07:43  Aldebaran 5.8°S of Moon
    06  14:30  Moon at Descending Node 
    09  07:30  FULL MOON 
    12  13:04  Regulus 5.9°N of Moon
    16  07:21  Spica 2.0°N of Moon
    16  09:08  LAST QUARTER MOON 
    16  19:07  Saturn 6.4°N of Moon
    17  21:28  Moon at Perigee: 369883 km
    18  06     Mercury at Aphelion 
    19  10:59  Antares 4.2°S of Moon
    19  18:26  Moon at Ascending Node 
    23  07:39  NEW MOON 
    30  14:38  Jupiter 4.5°S of Moon
    30  17:42  Moon at Apogee: 404325 km
    31  04:10  FIRST QUARTER MOON 

Feb 01  17:42  Pleiades 3.0°N of Moon
    02  16:22  Aldebaran 5.7°S of Moon
    02  20:02  Moon at Descending Node 
    07  09     Mercury at Superior Conjunction 
    07  21:54  FULL MOON 
    08  20:43  Regulus 5.8°N of Moon
    11  18:32  Moon at Perigee: 367920 km
    12  12:47  Spica 1.8°N of Moon
    13  01:08  Saturn 6.2°N of Moon
    14  17:04  LAST QUARTER MOON 
    15  16:35  Antares 4.4°S of Moon
    15  20:16  Moon at Ascending Node 
    16  00     Mars at Aphelion 
    19  20     Neptune in Conjunction with Sun 
    21  22:35  NEW MOON 
    25  21:44  Venus 3.3°S of Moon
    27  06:16  Jupiter 3.8°S of Moon
    27  14:01  Moon at Apogee: 404864 km
    29  01:46  Pleiades 3.3°N of Moon
    29  22:37  Moon at Descending Node 

Mar 01  00:45  Aldebaran 5.4°S of Moon
    01  01:22  FIRST QUARTER MOON 
    02  05     Mercury at Perihelion 
    03  19     Mars at Opposition 
    05  09     Mercury at Greatest Elong: 18.2°E
    07  06:36  Regulus 5.8°N of Moon
    08  09:40  FULL MOON 
    10  10:02  Moon at Perigee: 362401 km
    10  20:20  Spica 1.5°N of Moon
    11  07:00  Saturn 6.2°N of Moon
    13  20:41  Moon at Ascending Node 
    13  22:10  Antares 4.7°S of Moon
    15  01:25  LAST QUARTER MOON 
    20  05:15  Vernal Equinox 
    21  01     Venus at Perihelion 
    21  19     Mercury at Inferior Conjunction 
    22  14:37  NEW MOON 
    24  18     Uranus in Conjunction with Sun 
    25  23:57  Jupiter 3.1°S of Moon
    26  06:04  Moon at Apogee: 405780 km
    26  18:21  Venus 1.8°N of Moon
    27  07     Venus at Greatest Elong: 46.0°E
    27  08:56  Pleiades 3.5°N of Moon
    28  00:19  Moon at Descending Node 
    28  08:07  Aldebaran 5.2°S of Moon
    30  19:41  FIRST QUARTER MOON 

Apr 03  13:18  Venus 0.4°S of Pleiades
    03  17:10  Regulus 5.9°N of Moon
    06  19:19  FULL MOON 
    07  06:24  Spica 1.5°N of Moon
    07  14:07  Saturn 6.3°N of Moon
    07  16:59  Moon at Perigee: 358314 km
    10  00:47  Moon at Ascending Node 
    10  05:54  Antares 4.9°S of Moon
    13  10:50  LAST QUARTER MOON 
    15  18     Saturn at Opposition 
    16  02:18  Mars 0.7°N of Regulus
    18  17     Mercury at Greatest Elong: 27.5°W
    21  07:18  NEW MOON 
    22  05     Lyrid Meteor Shower
    22  13:49  Moon at Apogee: 406422 km
    23  15:15  Pleiades 3.6°N of Moon
    24  03:43  Moon at Descending Node 
    24  14:27  Aldebaran 5.0°S of Moon
    25  02:21  Venus 5.7°N of Moon
    29  09:58  FIRST QUARTER MOON 

May 01  02:31  Regulus 6.1°N of Moon
    04  17:26  Spica 1.5°N of Moon
    04  18     Eta-Aquarid Meteor Shower
    04  22:04  Saturn 6.4°N of Moon
    06  03:33  Moon at Perigee: 356954 km
    06  03:35  FULL MOON 
    07  09:43  Moon at Ascending Node 
    07  15:57  Antares 5.0°S of Moon
    12  21:47  LAST QUARTER MOON 
    13  13     Jupiter in Conjunction with Sun 
    19  16:13  Moon at Apogee: 406451 km
    20  23:47  NEW MOON 
    20  23:53  Annular Solar Eclipse; mag=0.944
    21  09:20  Moon at Descending Node 
    22  20:52  Venus 4.7°N of Moon
    27  11     Mercury at Superior Conjunction 
    28  09:43  Regulus 6.2°N of Moon
    28  20:16  FIRST QUARTER MOON 
    29  05     Mercury at Perihelion 

Jun 01  03:24  Spica 1.5°N of Moon
    01  05:45  Saturn 6.5°N of Moon
    03  13:19  Moon at Perigee: 358483 km
    03  20:38  Moon at Ascending Node 
    04  02:51  Antares 5.0°S of Moon
    04  11:03  Partial Lunar Eclipse; mag=0.370
    04  11:12  FULL MOON 
    06  01     Venus at Inferior Conjunction 
    11  09:30  Jupiter 4.7°S of Pleiades
    11  10:41  LAST QUARTER MOON 
    16  01:24  Moon at Apogee: 405791 km
    17  03:34  Pleiades 3.6°N of Moon
    17  08:23  Jupiter 1.1°S of Moon: Occn.
    17  15:43  Moon at Descending Node 
    18  00:47  Venus 2.1°S of Moon
    19  15:02  NEW MOON 
    20  17:50  Mercury 4.9°S of Pollux
    20  23:08  Summer Solstice 
    21  10:33  Venus 2.2°N of Aldebaran
    24  15:18  Regulus 6.1°N of Moon
    26  15:02  Mars 5.8°N of Moon
    27  03:30  FIRST QUARTER MOON 
    28  11:04  Spica 1.4°N of Moon
    28  12:40  Saturn 6.3°N of Moon

Date     GMT   Event
        (h:m)

Jul 01  02     Mercury at Greatest Elong: 25.7°E
    01  05:45  Moon at Ascending Node 
    01  12:42  Antares 5.0°S of Moon
    01  18:01  Moon at Perigee: 362363 km
    02  14:57  Mercury 1.6°S of Beehive
    03  18:52  FULL MOON 
    05  04     Earth at Aphelion: 1.01668 AU
    09  04:13  Venus 0.9°N of Aldebaran
    11  01:48  LAST QUARTER MOON 
    11  10     Venus at Aphelion 
    12  04     Mercury at Aphelion 
    13  16:47  Moon at Apogee: 404783 km
    14  10:34  Pleiades 3.7°N of Moon
    14  20:55  Moon at Descending Node 
    15  03:02  Jupiter 0.5°S of Moon: Occn.
    15  09:40  Aldebaran 4.9°S of Moon
    15  15:29  Venus 3.8°S of Moon
    19  04:24  NEW MOON 
    21  20:52  Regulus 5.9°N of Moon
    24  22:07  Mars 4.2°N of Moon
    25  16:43  Spica 1.2°N of Moon
    25  19:29  Saturn 6.0°N of Moon
    26  08:56  FIRST QUARTER MOON 
    27  20     Delta-Aquarid Meteor Shower
    28  10:34  Moon at Ascending Node 
    28  20     Mercury at Inferior Conjunction 
    28  20:21  Antares 5.2°S of Moon
    29  08:30  Moon at Perigee: 367318 km
    29  11:45  Jupiter 4.6°N of Aldebaran

Aug 02  03:27  FULL MOON 
    02  13:36  Saturn 4.0°N of Spica
    09  18:55  LAST QUARTER MOON 
    10  10:52  Moon at Apogee: 404125 km
    10  18:12  Pleiades 3.9°N of Moon
    11  00:04  Moon at Descending Node 
    11  17:25  Aldebaran 4.8°S of Moon
    11  20:25  Jupiter 0.1°N of Moon: Occn.
    12  12     Perseid Meteor Shower
    13  19:41  Venus 0.6°S of Moon: Occn.
    13  22:45  Mars 1.6°N of Spica
    15  10     Venus at Greatest Elong: 45.8°W
    16  05:06  Mercury 3.6°N of Moon
    16  12     Mercury at Greatest Elong: 18.7°W
    17  15:55  NEW MOON 
    18  15:33  Mercury 2.1°S of Beehive
    21  22:04  Spica 1.0°N of Moon
    22  03:43  Saturn 5.5°N of Moon
    22  07:50  Mars 2.3°N of Moon
    23  19:39  Moon at Perigee: 369731 km
    24  11     Neptune at Opposition 
    24  11:38  Moon at Ascending Node 
    24  13:54  FIRST QUARTER MOON 
    25  02:02  Antares 5.4°S of Moon
    25  04     Mercury at Perihelion 
    31  13:58  FULL MOON 

Sep 07  02:08  Moon at Descending Node 
    07  06:00  Moon at Apogee: 404296 km
    08  01:23  Aldebaran 4.5°S of Moon
    08  10:59  Jupiter 0.6°N of Moon: Occn.
    08  13:15  LAST QUARTER MOON 
    10  13     Mercury at Superior Conjunction 
    12  17:09  Venus 3.7°N of Moon
    13  08:52  Venus 2.6°S of Beehive
    14  12:51  Regulus 5.9°N of Moon
    16  02:11  NEW MOON 
    18  05:05  Spica 0.8°N of Moon
    18  14:45  Saturn 5.0°N of Moon
    19  02:52  Moon at Perigee: 365749 km
    19  20:36  Mars 0.2°N of Moon: Occn.
    20  12:54  Moon at Ascending Node 
    21  07:30  Antares 5.6°S of Moon
    22  14:49  Autumnal Equinox 
    22  19:41  FIRST QUARTER MOON 
    29  07     Uranus at Opposition 
    30  03:19  FULL MOON 

Oct 01  10:56  Mercury 1.5°N of Spica
    03  03:35  Venus 0.1°S of Regulus
    04  05:15  Moon at Descending Node 
    05  00:43  Moon at Apogee: 405162 km
    05  08     Mercury 3.2° of Saturn
    05  08:58  Aldebaran 4.3°S of Moon
    05  20:50  Jupiter 0.9°N of Moon: Occn.
    08  07:33  LAST QUARTER MOON 
    11  22:52  Regulus 6.0°N of Moon
    12  19:10  Venus 6.3°N of Moon
    15  12:02  NEW MOON 
    17  01:02  Moon at Perigee: 360673 km
    17  01:43  Mercury 1.3°S of Moon
    17  18:27  Moon at Ascending Node 
    18  13:06  Mars 2.0°S of Moon
    18  14:50  Antares 5.8°S of Moon
    20  20:07  Mars 3.5°N of Antares
    21  04     Orionid Meteor Shower
    22  03:32  FIRST QUARTER MOON 
    25  08     Saturn in Conjunction with Sun 
    26  22     Mercury at Greatest Elong: 24.1°E
    29  19:50  FULL MOON 
    31  10:36  Moon at Descending Node 
    31  18     Venus at Perihelion 

Nov 01  15:30  Moon at Apogee: 406050 km
    01  15:49  Aldebaran 4.2°S of Moon
    02  00:58  Jupiter 0.9°N of Moon: Occn.
    05  05     S Taurid Meteor Shower
    06  14:32  Mercury 3.0°N of Antares
    07  00:36  LAST QUARTER MOON 
    08  08:13  Regulus 6.1°N of Moon
    11  17:52  Venus 5.3°N of Moon
    12  01:42  Spica 0.8°N of Moon
    12  04     N Taurid Meteor Shower
    13  22:08  NEW MOON 
    13  22:12  Total Solar Eclipse; mag=1.050
    14  04:37  Moon at Ascending Node 
    14  10:21  Moon at Perigee: 357361 km
    16  09:40  Mars 4.0°S of Moon
    17  01:22  Venus 3.6°N of Spica
    17  10     Leonid Meteor Shower
    17  16     Mercury at Inferior Conjunction 
    20  14:31  FIRST QUARTER MOON 
    21  03     Mercury at Perihelion 
    27  17:05  Moon at Descending Node 
    28  14:33  Pen. Lunar Eclipse; mag=0.915
    28  14:46  FULL MOON 
    28  19:35  Moon at Apogee: 406366 km
    28  22:06  Aldebaran 4.2°S of Moon
    29  00:46  Jupiter 0.6°N of Moon: Occn.

Dec 03  01     Jupiter at Opposition 
    04  23     Mercury at Greatest Elong: 20.6°W
    05  15:35  Regulus 6.1°N of Moon
    06  15:32  LAST QUARTER MOON 
    09  09     Mercury 6.3° of Venus
    09  12:04  Spica 0.8°N of Moon
    10  12:46  Saturn 4.0°N of Moon
    11  13:48  Venus 1.6°N of Moon
    11  15:57  Moon at Ascending Node 
    12  00:44  Mercury 1.1°N of Moon: Occn.
    12  23:14  Moon at Perigee: 357074 km
    13  05:18  Jupiter 4.7°N of Aldebaran
    13  08:42  NEW MOON 
    13  23     Geminid Meteor Shower
    18  09:57  Mercury 5.2°N of Antares
    20  05:19  FIRST QUARTER MOON 
    21  11:12  Winter Solstice 
    22  08     Ursid Meteor Shower
    24  03:19  Venus 5.5°N of Antares
    24  22:27  Moon at Descending Node 
    25  21:19  Moon at Apogee: 406101 km
    26  00:02  Jupiter 0.4°N of Moon: Occn.
    26  04:23  Aldebaran 4.2°S of Moon
    28  10:21  FULL 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:


Return to: Planetary Ephemeris Data