2100 Sky Event Almanac

Pacific Standard Time

The following table gives the date and time of the important astronomical events for the year. The times listed are for Pacific Standard Time (Coordinated Universal Time − 8 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.

2100 Sky Event Almanac
Pacific Standard Time
January - June July - December
Date     PST   Event
        (h:m)

Jan 01  13:12  Moon at Descending Node 
    03  00:57  Moon at Perigee: 370356 km
    03  05:03  LAST QUARTER MOON 
    03  06     Earth at Perihelion: 0.98334 AU
    03  22:14  Jupiter 4.4°N of Moon
    03  23:44  Spica 0.9°N of Moon
    04  13     Quadrantid Meteor Shower
    07  05:44  Antares 0.4°N of Moon
    10  04:55  NEW MOON 
    13  18:33  Venus 0.3°S of Moon: Occn.
    14  19:55  Moon at Ascending Node 
    17  02:48  Moon at Apogee: 404420 km
    18  04:34  FIRST QUARTER MOON 
    19  01:13  Mars 2.9°S of Moon
    20  19:18  Pleiades 0.8°S of Moon
    23  08     Mercury at Greatest Elong: 18.6°E
    24  21:21  Pollux 2.5°N of Moon
    25  18:49  FULL MOON 
    27  09:51  Regulus 1.3°S of Moon
    28  16:34  Moon at Descending Node 
    28  17     Mercury at Perihelion 
    28  21:53  Moon at Perigee: 366241 km
    29  23:40  Jupiter 3.4°N of Spica
    31  05:20  Spica 1.1°N of Moon
    31  06:44  Jupiter 4.9°N of Moon

Feb 01  13:16  LAST QUARTER MOON 
    03  11:39  Antares 0.6°N of Moon
    07  20     Mercury at Inferior Conjunction 
    08  20:55  NEW MOON 
    09  13     Jupiter 3.3°N of Saturn
    11  01:32  Moon at Ascending Node 
    13  01:00  Venus 1.6°S of Moon
    13  22:46  Moon at Apogee: 405204 km
    16  15:13  Mars 3.5°S of Moon
    17  01:22  FIRST QUARTER MOON 
    17  03:59  Pleiades 1.0°S of Moon
    21  07:41  Pollux 2.5°N of Moon
    23  19:59  Regulus 1.2°S of Moon
    24  06:51  FULL MOON 
    24  07:02  Pen. Lunar Eclipse; mag=0.965
    25  01:10  Moon at Descending Node 
    25  21:17  Moon at Perigee: 360805 km
    27  12:48  Spica 1.2°N of Moon

Mar 01  08:09  Mars 2.5°S of Pleiades
    01  22     Venus at Greatest Elong: 46.5°E
    02  17:12  Antares 0.7°N of Moon
    02  22:11  LAST QUARTER MOON 
    05  15     Mercury at Greatest Elong: 27.2°W
    06  04     Neptune at Opposition 
    08  03:09  Mercury 1.7°N of Moon
    10  08:26  Moon at Ascending Node 
    10  14:25  Annular Solar Eclipse; mag=0.934
    10  14:28  NEW MOON 
    11  09     Jupiter at Aphelion:  5.45256 AU
    11  22     Venus at Perihelion 
    13  13:09  Moon at Apogee: 406110 km
    13  17     Mercury at Aphelion 
    14  20:07  Venus 0.8°S of Moon: Occn.
    16  11:19  Pleiades 1.0°S of Moon
    17  06:21  Mars 3.8°S of Moon
    18  18:58  FIRST QUARTER MOON 
    20  05:04  Vernal Equinox 
    20  17:24  Pollux 2.5°N of Moon
    23  06:58  Regulus 1.2°S of Moon
    24  12:16  Moon at Descending Node 
    25  17:05  FULL MOON 
    26  06:59  Moon at Perigee: 357415 km
    26  18:54  Jupiter 4.9°N of Moon
    26  22:47  Spica 1.2°N of Moon
    30  00:33  Antares 0.6°N of Moon

Apr 01  08:35  LAST QUARTER MOON 
    01  09:32  Saturn 4.5°N of Spica
    06  14:09  Moon at Ascending Node 
    07  16     Jupiter at Opposition 
    09  08:16  NEW MOON 
    09  17:45  Moon at Apogee: 406566 km
    11  02     Uranus in Conjunction with Sun 
    12  14:33  Venus 1.0°N of Moon: Occn.
    12  17:28  Pleiades 0.9°S of Moon
    12  20     Saturn at Opposition 
    14  21:02  Mars 3.6°S of Moon
    15  12:18  Venus 1.8°N of Pleiades
    17  01:11  Pollux 2.6°N of Moon
    17  08:42  FIRST QUARTER MOON 
    18  09     Mercury at Superior Conjunction 
    19  16:47  Regulus 1.1°S of Moon
    20  21:32  Moon at Descending Node 
    23  00:33  Jupiter 4.6°N of Moon
    23  09:57  Spica 1.2°N of Moon
    23  10     Lyrid Meteor Shower
    23  18:14  Moon at Perigee: 357008 km
    24  01:43  FULL MOON 
    26  10:11  Antares 0.5°N of Moon
    26  16     Mercury at Perihelion 
    26  17:31  Venus 1.6°N of Pleiades
    30  21:01  LAST QUARTER MOON 

May 02  12     Mercury 3.6°S of Venus
    03  17:18  Moon at Ascending Node 
    03  17:20  Mercury 2.1°S of Pleiades
    05  23     Eta-Aquarid Meteor Shower
    06  21:13  Moon at Apogee: 406376 km
    09  00:54  NEW MOON 
    10  22:23  Mercury 2.6°S of Moon
    12  04     Venus at Inferior Conjunction 
    13  11:07  Mars 3.0°S of Moon
    14  07:11  Pollux 2.8°N of Moon
    16  08     Mercury at Greatest Elong: 21.9°E
    16  18:42  FIRST QUARTER MOON 
    17  00:20  Regulus 0.9°S of Moon
    18  02:10  Moon at Descending Node 
    20  06:23  Jupiter 4.5°N of Moon
    20  20:14  Spica 1.3°N of Moon
    22  03:04  Moon at Perigee: 359498 km
    23  09:25  FULL MOON 
    23  20:50  Antares 0.4°N of Moon
    30  11:35  LAST QUARTER MOON 
    30  18:54  Moon at Ascending Node 

Jun 03  09:09  Moon at Apogee: 405537 km
    06  05:40  Pleiades 0.8°S of Moon
    07  15:31  NEW MOON 
    09  21     Mercury at Inferior Conjunction 
    10  12:46  Pollux 3.0°N of Moon
    11  01:09  Mars 2.0°S of Moon
    13  06:08  Regulus 0.6°S of Moon
    14  03:13  Moon at Descending Node 
    15  01:41  FIRST QUARTER MOON 
    16  13:04  Jupiter 4.5°N of Moon
    17  04:21  Spica 1.5°N of Moon
    19  04:17  Moon at Perigee: 364024 km
    20  06:43  Antares 0.5°N of Moon
    20  21:32  Summer Solstice 
    21  17:11  FULL MOON 
    26  21:36  Moon at Ascending Node 
    29  03:52  LAST QUARTER MOON 

Date     PST   Event
        (h:m)

Jul 01  01:51  Moon at Apogee: 404573 km
    02  07     Venus at Aphelion 
    03  13:03  Pleiades 0.9°S of Moon
    03  22     Mercury at Greatest Elong: 21.7°W
    06  08     Earth at Aphelion: 1.01670 AU
    07  04:06  NEW MOON 
    09  15:44  Mars 0.7°S of Moon: Occn.
    10  11:51  Regulus 0.4°S of Moon
    11  04:41  Moon at Descending Node 
    12  11     Mars at Aphelion:  1.66621 AU
    13  21:37  Jupiter 4.8°N of Moon
    14  06:43  FIRST QUARTER MOON 
    14  10:24  Spica 1.7°N of Moon
    16  06:15  Moon at Perigee: 368737 km
    17  10:01  Venus 1.8°N of Aldebaran
    17  14:36  Antares 0.6°N of Moon
    21  02:12  FULL MOON 
    21  08     Venus at Greatest Elong: 45.7°W
    23  15     Mercury at Perihelion 
    24  03:04  Moon at Ascending Node 
    27  18:09  Mars 0.6°N of Regulus
    28  20:16  Moon at Apogee: 404176 km
    28  21:09  LAST QUARTER MOON 
    29  01     Delta-Aquarid Meteor Shower
    30  21:10  Pleiades 1.1°S of Moon
    31  22     Mercury at Superior Conjunction 

Aug 04  03:29  Pollux 3.1°N of Moon
    05  15:02  NEW MOON 
    06  19:01  Regulus 0.3°S of Moon
    07  07:15  Mars 1.0°N of Moon: Occn.
    07  09:49  Moon at Descending Node 
    10  08:07  Moon at Perigee: 368679 km
    10  15:56  Spica 1.9°N of Moon
    12  11:10  FIRST QUARTER MOON 
    13  17     Perseid Meteor Shower
    13  20:33  Antares 0.7°N of Moon
    19  10     Mercury 0.1°S of Mars
    19  13:29  FULL MOON 
    19  13:42  Pen. Lunar Eclipse; mag=0.872
    20  10:38  Moon at Ascending Node 
    25  15:00  Moon at Apogee: 404637 km
    27  05:20  Pleiades 1.2°S of Moon
    27  14:36  LAST QUARTER MOON 
    31  12:48  Pollux 3.0°N of Moon

Sep 03  18:41  Moon at Descending Node 
    04  00:46  Total Solar Eclipse; mag=1.040
    04  00:49  NEW MOON 
    05  15     Mercury at Aphelion 
    05  17:58  Saturn 4.0°N of Spica
    05  23:18  Mercury 1.3°N of Moon
    06  11:23  Moon at Perigee: 363868 km
    06  22:52  Spica 1.9°N of Moon
    09  07     Neptune in Conjunction with Sun 
    09  19:46  Jupiter 2.9°N of Spica
    10  02:01  Antares 0.7°N of Moon
    10  16:35  FIRST QUARTER MOON 
    13  08     Mercury at Greatest Elong: 26.8°E
    15  12     Jupiter 1.2°S of Saturn
    16  17:55  Moon at Ascending Node 
    18  03:32  FULL MOON 
    21  04:08  Mercury 1.2°S of Spica
    22  08:20  Moon at Apogee: 405610 km
    22  14:00  Autumnal Equinox 
    23  12:47  Pleiades 1.1°S of Moon
    26  07:33  LAST QUARTER MOON 
    27  22:01  Pollux 3.1°N of Moon
    28  19:33  Venus 0.1°N of Regulus
    30  14:30  Regulus 0.3°S of Moon
    30  18:47  Venus 0.2°N of Moon: Occn.

Oct 01  04:42  Moon at Descending Node 
    01  05:33  Mercury 1.4°S of Spica
    03  10:02  NEW MOON 
    04  13:58  Moon at Perigee: 359240 km
    07  08:59  Antares 0.6°N of Moon
    08  23     Mercury at Inferior Conjunction 
    10  00:33  FIRST QUARTER MOON 
    10  23     Mars in Conjunction with Sun 
    13  22:34  Moon at Ascending Node 
    16  15     Uranus at Opposition 
    17  20:06  FULL MOON 
    19  15     Mercury at Perihelion 
    19  20:03  Moon at Apogee: 406359 km
    20  19:17  Pleiades 1.0°S of Moon
    22  09     Orionid Meteor Shower
    22  13     Saturn in Conjunction with Sun 
    22  15     Venus at Perihelion 
    24  12     Mercury at Greatest Elong: 18.3°W
    25  05:55  Pollux 3.3°N of Moon
    25  23:19  LAST QUARTER MOON 
    26  13     Jupiter in Conjunction with Sun 
    28  00:20  Regulus 0.1°S of Moon
    28  12:11  Moon at Descending Node 
    30  21:06  Venus 4.9°N of Moon
    31  19:16  Spica 1.8°N of Moon

Nov 01  14:38  Mercury 3.7°N of Spica
    01  19:14  NEW MOON 
    02  00:19  Moon at Perigee: 356834 km
    03  18:28  Antares 0.5°N of Moon
    06  10     S Taurid Meteor Shower
    08  12:15  FIRST QUARTER MOON 
    10  00:09  Moon at Ascending Node 
    12  02:56  Venus 3.5°N of Spica
    13  09     N Taurid Meteor Shower
    15  21:23  Moon at Apogee: 406471 km
    16  14:19  FULL MOON 
    17  01:19  Pleiades 0.9°S of Moon
    18  16     Leonid Meteor Shower
    19  04     Venus 0.6°S of Saturn
    21  12:10  Pollux 3.5°N of Moon
    24  08:11  Regulus 0.2°N of Moon
    24  13:13  LAST QUARTER MOON 
    24  14:59  Moon at Descending Node 
    25  04     Venus 0.5°N of Jupiter
    27  23     Mercury at Superior Conjunction 
    28  06:04  Spica 2.0°N of Moon
    30  12:37  Moon at Perigee: 357592 km

Dec 01  05:00  NEW MOON 
    07  01:24  Moon at Ascending Node 
    08  04:09  FIRST QUARTER MOON 
    10  07     Venus 1.0°N of Mars
    13  02:26  Moon at Apogee: 406012 km
    14  07:41  Pleiades 0.9°S of Moon
    15  05     Geminid Meteor Shower
    16  09:00  FULL MOON 
    18  17:52  Pollux 3.7°N of Moon
    21  11:51  Winter Solstice 
    21  14:07  Regulus 0.4°N of Moon
    21  15:25  Moon at Descending Node 
    23  13     Ursid Meteor Shower
    24  00:46  LAST QUARTER MOON 
    25  14:38  Spica 2.2°N of Moon
    25  18:43  Mars 4.4°N of Antares
    28  16:24  Antares 0.4°N of Moon
    28  20:56  Mars 4.9°N of Moon
    28  21:45  Moon at Perigee: 361469 km
    30  15:56  NEW MOON 

    

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

2100 Phases of the Moon

Pacific Standard Time

The following table gives the date and time of the Moon's phases for the year. The times listed are for Pacific Standard Time (Coordinated Universal Time − 8 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.

2100 Phases of the Moon
Pacific Standard Time
New Moon First Quarter Full Moon Last Quarter
--- Jan 03 05:03
Jan 10 04:55 Jan 18 04:34 Jan 25 18:49 Feb 01 13:16
Feb 08 20:55 Feb 17 01:22 Feb 24 06:51 n Mar 02 22:11
Mar 10 14:28 A Mar 18 18:58 Mar 25 17:05 Apr 01 08:35
Apr 09 08:16 Apr 17 08:42 Apr 24 01:43 Apr 30 21:01
May 09 00:54 May 16 18:42 May 23 09:25 May 30 11:35
Jun 07 15:31 Jun 15 01:41 Jun 21 17:11 Jun 29 03:52
Jul 07 04:06 Jul 14 06:43 Jul 21 02:12 Jul 28 21:09
Aug 05 15:02 Aug 12 11:10 Aug 19 13:29 n Aug 27 14:36
Sep 04 00:49 T Sep 10 16:35 Sep 18 03:32 Sep 26 07:33
Oct 03 10:03 Oct 10 00:33 Oct 17 20:06 Oct 25 23:19
Nov 01 19:14 Nov 08 12:15 Nov 16 14:19 Nov 24 13:13
Dec 01 05:00 Dec 08 04:09 Dec 16 09:00 Dec 24 00:46
Dec 30 15:56 ---

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: 2091 to 2100

The Americas

Below are links to sky event almanacs from 2091 to 2100 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 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
AST 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
EST 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
CST 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
MST 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
PST 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
AKST 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100
HST 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100

        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

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)