2031 Sky Event Almanac

Alaska Standard Time

The following table gives the date and time of the important astronomical events for the year . The times listed are for Alaska Standard Time (Coordinated Universal Time − 9 hours) . This time zone may have different names in different countries. If Daylight Saving Time is in effect, add one hour to the times listed. A key to astronomical terms appears below the almanac.

2031 Sky Event Almanac
Alaska Standard Time
January - June July - December 
Date     AKST   Even
        (h:m)

Jan 03  05:09  Mars 3.6°N of Spica
    03  19     Quadrantid Meteor Shower
    04  05:42  Pleiades 3.5°N of Moon
    04  11     Mercury at Greatest Elong: 22.9°W
    04  12     Earth at Perihelion: 0.98326 AU
    04  13:42  Saturn 2.4°S of Moon
    04  21:37  Moon at Descending Node 
    06  02:00  Moon at Apogee: 406169 km
    08  09:26  FULL MOON 
    16  00:36  Spica 1.5°N of Moon
    16  03:47  LAST QUARTER MOON 
    18  23:51  Moon at Ascending Node 
    19  04:49  Antares 4.9°S of Moon
    19  21:34  Jupiter 0.6°S of Moon: Occn.
    21  12:41  Moon at Perigee: 359637 km
    21  12:53  Mercury 3.7°S of Moon
    22  19:31  NEW MOON 
    27  11     Mercury at Aphelion 
    29  22:43  FIRST QUARTER MOON 
    31  12:26  Pleiades 3.7°N of Moon
    31  18:57  Saturn 2.2°S of Moon

Feb 01  00:25  Moon at Descending Node 
    02  14:45  Moon at Apogee: 405416 km
    07  03:46  FULL MOON 
    12  05:57  Spica 1.2°N of Moon
    13  16:19  Mars 3.7°N of Moon
    14  13:50  LAST QUARTER MOON 
    15  02:21  Moon at Ascending Node 
    16  13:35  Jupiter 1.3°S of Moon: Occn.
    18  15:35  Moon at Perigee: 364745 km
    20  04     Mercury at Superior Conjunction 
    21  06:49  NEW MOON 
    27  20:14  Pleiades 3.9°N of Moon
    28  02:02  Moon at Descending Node 
    28  03:56  Saturn 1.7°S of Moon
    28  19:02  FIRST QUARTER MOON 

Mar 02  09:57  Moon at Apogee: 404533 km
    08  19:30  FULL MOON 
    11  11:44  Spica 1.0°N of Moon
    12  10     Mercury at Perihelion 
    13  10:27  Mars 2.7°N of Moon
    14  02:38  Moon at Ascending Node 
    15  21:36  LAST QUARTER MOON 
    16  01:06  Jupiter 1.8°S of Moon
    17  09:58  Moon at Perigee: 369634 km
    18  03     Mercury at Greatest Elong: 18.5°E
    20  10:41  Vernal Equinox 
    22  18:49  NEW MOON 
    24  01:55  Mercury 0.1°S of Moon: Occn.
    25  19:40  Venus 0.9°S of Moon: Occn.
    27  04:44  Pleiades 4.2°N of Moon
    27  05:22  Moon at Descending Node 
    27  16:01  Saturn 1.2°S of Moon
    28  03:30  Aldebaran 4.5°S of Moon
    30  06:24  Moon at Apogee: 404227 km
    30  15:32  FIRST QUARTER MOON 

Apr 02  14     Neptune in Conjunction with Sun 
    04  11     Mercury at Inferior Conjunction 
    07  08:21  FULL MOON 
    07  19:35  Spica 0.9°N of Moon
    09  17:38  Mars 2.1°N of Moon
    10  05:56  Moon at Ascending Node 
    10  09:05  Venus 2.4°S of Pleiades
    11  10:13  Moon at Perigee: 367996 km
    12  08:56  Jupiter 2.1°S of Moon
    14  03:58  LAST QUARTER MOON 
    15  18     Venus 3.4°N of Saturn
    16  10     Venus at Perihelion 
    21  07:57  NEW MOON 
    22  17     Lyrid Meteor Shower
    23  11:22  Moon at Descending Node 
    23  12:56  Pleiades 4.3°N of Moon
    24  05:42  Saturn 0.7°S of Moon: Occn.
    24  11:36  Aldebaran 4.4°S of Moon
    24  23:28  Venus 3.9°N of Moon
    27  01:30  Moon at Apogee: 404758 km
    29  10:19  FIRST QUARTER MOON 

May 02  11     Mercury at Greatest Elong: 26.9°W
    04  02     Mars at Opposition 
    05  05:17  Spica 1.0°N of Moon
    05  06     Eta-Aquarid Meteor Shower
    06  13:45  Mars 1.9°N of Moon
    06  18:40  FULL MOON 
    06  18:51  Pen. Lunar Eclipse; mag=0.881
    07  13:55  Moon at Ascending Node 
    08  22:28  Moon at Perigee: 362851 km
    09  14:39  Jupiter 2.1°S of Moon
    13  10:07  LAST QUARTER MOON 
    13  21:50  Saturn 3.9°N of Aldebaran
    19  05:37  Mercury 4.4°S of Moon
    20  18:26  Moon at Descending Node 
    20  22:15  Annular Solar Eclipse; mag=0.959
    20  22:17  NEW MOON 
    24  17:08  Moon at Apogee: 405723 km
    29  00:28  Venus 3.9°S of Pollux
    29  02:20  FIRST QUARTER MOON 

Jun 01  15:22  Spica 1.0°N of Moon
    01  18     Venus at Greatest Elong: 45.4°E
    02  10:58  Mars 1.4°N of Moon
    02  18     Saturn in Conjunction with Sun 
    04  00:20  Moon at Ascending Node 
    05  02:44  Pen. Lunar Eclipse; mag=0.129
    05  02:58  FULL MOON 
    05  19:42  Jupiter 1.9°S of Moon
    06  03:11  Moon at Perigee: 358744 km
    08  10     Mercury at Superior Conjunction 
    08  10     Mercury at Perihelion 
    11  17:21  LAST QUARTER MOON 
    13  23     Uranus in Conjunction with Sun 
    14  22     Jupiter at Opposition 
    17  00:18  Moon at Descending Node 
    17  02:08  Pleiades 4.3°N of Moon
    18  01:02  Aldebaran 4.4°S of Moon
    19  13:25  NEW MOON 
    21  02:25  Moon at Apogee: 406452 km
    21  04:17  Summer Solstice 
    25  20:02  Mercury 4.7°S of Pollux
    27  15:19  FIRST QUARTER MOON 
    29  00:14  Spica 0.9°N of Moon
    29  21:41  Mars 0.4°N of Moon: Occn.


Date     AKST   Even
        (h:m)

Jul 01  09:35  Moon at Ascending Node 
    03  01:02  Jupiter 1.7°S of Moon
    04  10:01  FULL MOON 
    04  12:14  Moon at Perigee: 357008 km
    05  21     Earth at Aphelion: 1.01669 AU
    11  02:50  LAST QUARTER MOON 
    14  03:38  Moon at Descending Node 
    14  07:49  Pleiades 4.4°N of Moon
    14  22     Mercury at Greatest Elong: 26.6°E
    15  06:49  Aldebaran 4.3°S of Moon
    15  21:23  Saturn 0.4°N of Moon: Occn.
    16  03:17  Venus 1.3°S of Regulus
    18  05:28  Moon at Apogee: 406535 km
    19  04:40  NEW MOON 
    21  14:10  Mercury 3.3°N of Moon
    21  17:15  Venus 1.6°N of Moon
    22  09     Mercury at Aphelion 
    25  09     Mercury 1.6°N of Venus
    26  07:05  Spica 0.6°N of Moon
    27  01:35  FIRST QUARTER MOON 
    27  21:06  Mars 1.1°S of Moon: Occn.
    28  08     Delta-Aquarid Meteor Shower
    28  14:54  Moon at Ascending Node 
    30  07:09  Jupiter 1.7°S of Moon

Aug 01  21:47  Moon at Perigee: 358060 km
    02  16:45  FULL MOON 
    06  18     Venus at Aphelion 
    09  15:24  LAST QUARTER MOON 
    10  05:10  Moon at Descending Node 
    10  18     Venus at Inferior Conjunction 
    11  13:01  Aldebaran 4.1°S of Moon
    11  19     Mercury at Inferior Conjunction 
    12  09:11  Saturn 0.7°N of Moon: Occn.
    13  00     Perseid Meteor Shower
    14  12:37  Moon at Apogee: 405946 km
    17  19:32  NEW MOON 
    22  12:30  Spica 0.4°N of Moon
    24  16:21  Moon at Ascending Node 
    25  04:38  Mars 2.8°S of Moon
    25  09:40  FIRST QUARTER MOON 
    26  14:28  Jupiter 2.0°S of Moon
    29  08     Mercury at Greatest Elong: 18.2°W
    30  03:53  Moon at Perigee: 361684 km

Sep 01  00:20  FULL MOON 
    04  09     Mercury at Perihelion 
    06  07:34  Moon at Descending Node 
    07  20:21  Aldebaran 3.8°S of Moon
    08  07:14  LAST QUARTER MOON 
    08  20:03  Saturn 1.1°N of Moon: Occn.
    10  02:09  Mars 2.5°N of Antares
    11  02:54  Moon at Apogee: 405006 km
    13  01:17  Venus 0.4°S of Moon: Occn.
    16  09:47  NEW MOON 
    18  18:05  Spica 0.2°N of Moon
    20  17:24  Moon at Ascending Node 
    22  17:35  Mars 4.4°S of Moon
    22  20:15  Autumnal Equinox 
    22  23:42  Jupiter 2.5°S of Moon
    23  16:20  FIRST QUARTER MOON 
    23  16     Mercury at Superior Conjunction 
    26  22:09  Moon at Perigee: 366841 km
    28  16     Mars 2.2°S of Jupiter
    30  09:58  FULL MOON 

Oct 03  13:03  Moon at Descending Node 
    05  04:48  Aldebaran 3.6°S of Moon
    06  05:25  Saturn 1.3°N of Moon
    07  06     Neptune at Opposition 
    08  01:50  LAST QUARTER MOON 
    08  21:23  Moon at Apogee: 404365 km
    09  01:13  Venus 2.1°S of Regulus
    12  04:45  Venus 4.0°N of Moon
    15  23:21  NEW MOON 
    17  05:11  Mercury 0.2°S of Moon: Occn.
    17  21:54  Moon at Ascending Node 
    20  11:53  Jupiter 3.0°S of Moon
    21  04     Venus at Greatest Elong: 46.4°W
    21  16     Orionid Meteor Shower
    22  11:06  Moon at Perigee: 370022 km
    22  22:36  FIRST QUARTER MOON 
    29  22:33  FULL MOON 
    29  22:45  Pen. Lunar Eclipse; mag=0.716
    30  21:09  Moon at Descending Node 

Nov 01  13:35  Aldebaran 3.6°S of Moon
    02  12:32  Saturn 1.3°N of Moon
    05  16     S Taurid Meteor Shower
    05  17:45  Moon at Apogee: 404522 km
    06  22:02  LAST QUARTER MOON 
    09  01:11  Mercury 1.8°N of Antares
    09  06     Mercury at Greatest Elong: 23.1°E
    12  10:40  Spica 0.2°N of Moon
    12  16     N Taurid Meteor Shower
    14  06:32  Moon at Ascending Node 
    14  12:06  Hybrid Solar Eclipse; mag=1.011
    14  12:10  NEW MOON 
    15  23     Mars at Perihelion:  1.38145 AU
    16  01:48  Mercury 4.7°S of Moon
    17  03:51  Jupiter 3.4°S of Moon
    17  13:07  Moon at Perigee: 365930 km
    17  22     Leonid Meteor Shower
    21  05:45  FIRST QUARTER MOON 
    27  02     Venus at Perihelion 
    27  05:01  Moon at Descending Node 
    28  14:18  FULL MOON 
    28  16:24  Venus 3.9°N of Spica
    28  21:36  Aldebaran 3.6°S of Moon
    29  17:00  Saturn 1.1°N of Moon: Occn.
    29  18     Mercury at Inferior Conjunction 

Dec 01  08     Mercury at Perihelion 
    03  13:35  Moon at Apogee: 405355 km
    06  18:20  LAST QUARTER MOON 
    09  20:42  Spica 0.2°N of Moon
    11  00:18  Venus 3.3°N of Moon
    11  10     Saturn at Opposition 
    11  16:37  Moon at Ascending Node 
    12  13:17  Mercury 1.6°N of Moon
    14  00:06  NEW MOON 
    14  11     Geminid Meteor Shower
    15  12:31  Moon at Perigee: 360489 km
    17  02     Uranus at Opposition 
    18  01     Mercury at Greatest Elong: 21.5°W
    20  15:00  FIRST QUARTER MOON 
    21  16:56  Winter Solstice 
    22  20     Ursid Meteor Shower
    24  09:44  Moon at Descending Node 
    26  04:13  Aldebaran 3.6°S of Moon
    26  19:28  Saturn 1.0°N of Moon: Occn.
    28  08:33  FULL MOON 
    31  04:16  Moon at Apogee: 406203 km

Terms Used in Sky Event Almanac

  • Perihelion - instant when a planet is closest to the Sun
  • Aphelion - instant when a planet is furthest from the Sun
  • Perigee - instant when the Moon is closest to Earth
  • Apogee - instant when the Moon is furthest from Earth
  • Inferior Conjunction - instant when a planet (Mercury or Venus) passes between Earth and the Sun
  • Superior Conjunction - instant when a planet (Mercury or Venus) passes on the opposite side of the Sun from Earth
  • Greatest Elongation - the maximum angular separation between the Sun and the planet (Mercury or Venus) 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 - instant when a planet appears opposite the Sun as seen from Earth
  • Conjunction - instant when a planet appears closest the Sun as seen from Earth
  • Occultation - the Moon occults or eclipses a star or planet
  • Ascending Node - point where the Moon crosses from the southern to northern portion of its orbit
  • Descending Node - point where the Moon crosses from the northern to the southern portion of its orbit

  • Aldebaran - bright star in the constellation Taurus
  • Pollux - bright star in the constellation Gemini
  • Regulus - bright star in the constellation Leo
  • Spica - bright star in the constellation Virgo
  • Antares - bright star in the constellation Scorpius
  • Pleiades - bright star cluster in the constellation Taurus

2031 Phases of the Moon

Alaska Standard Time

The following table gives the date and time of the Moon's phases for the year . The times listed are for Alaska Standard Time (Coordinated Universal Time − 9 hours) . This time zone may have different names in different countries. If Daylight Saving Time is in effect, add one hour to the times listed.

2031 Phases of the Moon
Alaska Standard Time
New Moon First Quarter Full Moon Last Quarter
-- Jan 08 09:26 Jan 16 03:47
Jan 22 19:31 Jan 29 22:43 Feb 07 03:46 Feb 14 13:50
Feb 21 06:49 Feb 28 19:02 Mar 08 19:30 Mar 15 21:36
Mar 22 18:49 Mar 30 15:32 Apr 07 08:21 Apr 14 03:58
Apr 21 07:57 Apr 29 10:19 May 06 18:40 n May 13 10:07
May 20 22:17 A May 29 02:20 Jun 05 02:58 n Jun 11 17:20
Jun 19 13:25 Jun 27 15:19 Jul 04 10:01 Jul 11 02:50
Jul 19 04:40 Jul 27 01:35 Aug 02 16:45 Aug 09 15:24
Aug 17 19:32 Aug 25 09:40 Sep 01 00:20 Sep 08 07:14
Sep 16 09:47 Sep 23 16:20 Sep 30 09:58 Oct 08 01:50
Oct 15 23:21 Oct 22 22:36 Oct 29 22:33 n Nov 06 22:02
Nov 14 12:10 H Nov 21 05:45 Nov 28 14:18 Dec 06 18:20
Dec 14 00:06 Dec 20 15:00 Dec 28 08:33 -

For a collection of images showing the Moon's phases see: Phases of the Moon Photo Gallery.

The Phases of the Moon table also shows when an eclipse takes place. 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 Phases of the Moon table. 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.

Solar Eclipses

The following table contains links to a series of web pages covering the 21st Century. Each one summarizes ten years of solar eclipses. Every eclipse has links to a global visibility map, an interactive Google map, tables, and additional information.

Decade Pages of Solar Eclipses
Decades
2001-2010 2011-2020 2021-2030 2031-2040 2041-2050
2051-2060 2061-2070 2071-2080 2081-2090 2091-2100

Lunar Eclipses

The following table contains links to a series of web pages covering the 21st Century. Each one summarizes ten years of lunar eclipses. Every eclipse has links to an eclipse diagram, a global visibility map, tables, and additional information.

Decade Pages of Lunar Eclipses
Decades
2001-2010 2011-2020 2021-2030 2031-2040 2041-2050
2051-2060 2061-2070 2071-2080 2081-2090 2091-2100

Sky Event Almanacs: 2031 to 2040

The Americas

Below are links to sky event almanacs from 2031 to 2040 for eight time zones in the Americas.
Choose a time zone and click on a year to get a sky event almanac for that year.

Sky Event Almanacs - The Americas
ART 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
AST 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
EST 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
CST 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
MST 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
PST 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
AKST 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
HST 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040

        Time Zones Abbreviations
        • ART = Argentina Time (= UTC - 3 hours)
        • AST = Atlantic Standard Time (= UTC - 4 hours)
        • EST = Eastern Standard Time (= UTC - 5 hours)
        • CST = Central Standard Time (= UTC - 6 hours)
        • MST = Mountain Standard Time (= UTC - 7 hours)
        • PST = Pacific Standard Time (= UTC - 8 hours)
        • AKST = Alaskan Standard Time (= UTC - 9 hours)
        • HST = Hawaiian Standard Time (= UTC - 10 hours)
          (where UTC = Coordinated Universal Time)

A time zone may have a different name in different countries. Note the difference in hours between a given time zone and Coordinated Universal Time to help in identification.

For other years and other time zones, visit: Sky Event Almanacs.

Accuracy of the Sky Event Almanacs

The goal of the Sky Event Almanacs is to present a wide range of solar system phenomena with reasonable accuracy. In general, events listed to the nearest hour are accurate to ± 30 minutes. Events listed with a precision in hours and minutes (i.e., hh:mm) are typically accurate to ± 5 minutes or less.

The following table gives a more detailed breakdown of the accuracy of times for various astronomical events.

Accuracy of the Sky Event Almanacs
Solstice/Equinox (Earth) ± 0.5 minute
Aphelion/Perihelion (Earth) ± 30 minutes; ± 0.00001 AU
Solar and Lunar Eclipses ± 0.5 minute
Phases of the Moon ± 0.5 minute
Moon at Nodes ± 2 minutes
Apogee/Perigee of Moon ± 5 minutes; ± 5 kilometers
Conjunctions of Moon with Star or Planet ± 10 minutes
Conjunctions of Planet with Planet ± 3 hours
Inferior/Superior Conjunctions (Mercury & Venus) ± 30 minutes
Greatest Elongation (Mercury & Venus) ± 30 minutes
Opposition/Conjunction (Outer Planets) ± 3 hours
Aphelion/Perihelion of Planets ± 30 minutes

Fifty Year Almanac of Astronomical Events - 2021 to 2070

book


For more information and sample pages, see Fifty Year Almanac of Astronomical Events - 2021 To 2070.

Acknowledgements

All calculations are by Fred Espenak and he assumes full responsibility for their accuracy. Algorithms used in predicting many of the astronomical events 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:

    "Sky Event Almanacs Courtesy of Fred Espenak, www.AstroPixels.com".


Return to: Sky Event Almanacs

Return to: Planetary Ephemeris Data


Useful External Links

Interactive Sky Chart (Sky and Telescope)
Sky Maps (sky-map.org)
Astronomical Almanac (Sky and Telescope)
Weather Forecast for Astronomy (Clear Outside)
GOES-East Images (NOAA-GOES)
Astronomy Tools (Astronomy Tools)