2099 Sky Event Almanac
Mountain Standard Time
The following table gives the date and time of the important astronomical events for the year. The times listed are for Mountain Standard Time (Coordinated Universal Time − 7 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.
| 2099 Sky Event Almanac | ||||||||
| Mountain Standard Time | ||||||||
| January - June | July - December | |||||||
Date MST Event
(h:m)
Jan 03 11:16 Pleiades 0.3°N of Moon
04 08 Quadrantid Meteor Shower
04 23 Earth at Perihelion: 0.98331 AU
06 18:50 FULL MOON
07 05:21 Pollux 1.9°N of Moon
08 11:21 Moon at Perigee: 361107 km
08 13 Mercury at Superior Conjunction
09 13:58 Regulus 3.0°S of Moon
11 06:18 Jupiter 0.1°S of Moon: Occn.
11 19 Venus 2.5°N of Mars
12 08:34 Moon at Descending Node
12 19:20 Saturn 3.2°N of Moon
13 09:55 Spica 0.8°S of Moon
13 10:26 LAST QUARTER MOON
15 05:26 Mars 4.7°N of Antares
16 21:55 Antares 0.2°S of Moon
21 02:07 NEW MOON
24 05:47 Moon at Apogee: 406101 km
26 14:57 Moon at Ascending Node
29 07:38 FIRST QUARTER MOON
30 20:56 Pleiades 0.0°N of Moon
Feb 03 16:31 Pollux 1.8°N of Moon
05 05:48 FULL MOON
05 21:14 Moon at Perigee: 357384 km
06 00:24 Regulus 2.9°S of Moon
07 13:03 Jupiter 0.1°N of Moon: Occn.
08 12:37 Moon at Descending Node
08 21 Mercury at Greatest Elong: 18.2°E
09 02:54 Saturn 3.6°N of Moon
09 17:16 Spica 0.6°S of Moon
10 21 Mercury at Perihelion
11 22:08 LAST QUARTER MOON
13 03:33 Antares 0.0°N of Moon
19 21:05 NEW MOON
20 10:45 Moon at Apogee: 406556 km
22 18:03 Moon at Ascending Node
24 08 Mercury at Inferior Conjunction
27 04:34 Pleiades 0.2°S of Moon
27 23:13 FIRST QUARTER MOON
Mar 03 03:05 Pollux 1.7°N of Moon
03 18 Neptune at Opposition
05 11:53 Regulus 2.9°S of Moon
06 09:59 Moon at Perigee: 356797 km
06 15:59 FULL MOON
06 19:06 Jupiter 0.1°S of Moon: Occn.
07 21:55 Moon at Descending Node
08 06 Jupiter at Opposition
08 10:58 Saturn 3.7°N of Moon
09 03:07 Spica 0.4°S of Moon
12 10:38 Antares 0.2°N of Moon
13 12:00 LAST QUARTER MOON
15 15:11 Mars 4.5°N of Moon
18 13:48 Venus 2.9°N of Moon
19 01:03 Mercury 2.7°N of Moon
19 12:55 Moon at Apogee: 406404 km
20 00:17 Vernal Equinox
21 15:46 NEW MOON
21 15:51 Annular Solar Eclipse; mag=0.932
21 23:42 Moon at Ascending Node
23 06 Mercury at Greatest Elong: 27.8°W
26 10:27 Pleiades 0.2°S of Moon
26 20 Mercury at Aphelion
28 10 Mercury 3.1°N of Venus
29 10:38 FIRST QUARTER MOON
30 11:17 Pollux 1.7°N of Moon
31 00 Saturn at Opposition
Apr 01 22:06 Regulus 2.9°S of Moon
03 00:32 Jupiter 0.4°S of Moon: Occn.
03 20:23 Moon at Perigee: 359339 km
04 09:07 Moon at Descending Node
04 18:45 Saturn 3.5°N of Moon
05 01:28 Partial Lunar Eclipse; mag=0.168
05 01:37 FULL MOON
05 14:10 Spica 0.4°S of Moon
06 20 Uranus in Conjunction with Sun
08 19:43 Antares 0.2°N of Moon
08 22 Venus at Aphelion
12 03:47 LAST QUARTER MOON
13 13:49 Mars 3.2°N of Moon
16 01:34 Moon at Apogee: 405586 km
18 03:21 Venus 1.5°S of Moon
18 06:18 Moon at Ascending Node
19 01:46 Mercury 3.3°S of Moon
20 08:30 NEW MOON
22 16:07 Pleiades 0.2°S of Moon
23 05 Lyrid Meteor Shower
26 17:18 Pollux 1.8°N of Moon
27 18:36 FIRST QUARTER MOON
29 05:48 Regulus 2.8°S of Moon
30 05:57 Jupiter 0.6°S of Moon: Occn.
May 01 17:58 Moon at Descending Node
01 22:55 Moon at Perigee: 364037 km
02 01:19 Saturn 3.3°N of Moon
03 00:20 Spica 0.4°S of Moon
04 06 Mercury at Superior Conjunction
04 10:58 FULL MOON
05 18 Eta-Aquarid Meteor Shower
06 05:45 Antares 0.1°N of Moon
09 20 Mercury at Perihelion
11 21:00 LAST QUARTER MOON
12 15:07 Mars 1.1°N of Moon: Occn.
13 19:22 Moon at Apogee: 404556 km
15 11:38 Moon at Ascending Node
19 22:16 NEW MOON
21 10:36 Mercury 2.7°S of Moon
23 22:48 Pollux 1.9°N of Moon
26 11:35 Regulus 2.6°S of Moon
27 00:16 FIRST QUARTER MOON
27 12:45 Jupiter 0.5°S of Moon: Occn.
28 22:09 Moon at Descending Node
29 00:58 Moon at Perigee: 368838 km
29 06:47 Saturn 3.3°N of Moon
30 08:20 Spica 0.3°S of Moon
Jun 02 15:03 Antares 0.0°N of Moon
02 20:37 FULL MOON
03 15 Mercury at Greatest Elong: 23.4°E
10 14:17 Moon at Apogee: 404057 km
10 14:49 LAST QUARTER MOON
10 17:09 Mars 1.8°S of Moon
11 14:47 Moon at Ascending Node
16 07:12 Pleiades 0.2°S of Moon
18 09:10 NEW MOON
20 05:35 Pollux 2.1°N of Moon
20 16:41 Summer Solstice
22 17:19 Regulus 2.3°S of Moon
23 02:41 Moon at Perigee: 368734 km
23 22:31 Jupiter 0.1°S of Moon: Occn.
24 22:59 Moon at Descending Node
25 05:00 FIRST QUARTER MOON
25 12:40 Saturn 3.5°N of Moon
26 14:22 Spica 0.1°S of Moon
29 22:37 Antares 0.1°N of Moon
30 01 Mercury at Inferior Conjunction
|
Date MST Event
(h:m)
Jul 02 07:21 FULL MOON
07 01 Earth at Aphelion: 1.01666 AU
08 08:42 Moon at Apogee: 404420 km
08 16:53 Moon at Ascending Node
10 08:13 LAST QUARTER MOON
13 16:19 Pleiades 0.3°S of Moon
17 18:01 NEW MOON
20 00:44 Regulus 2.2°S of Moon
20 05:45 Moon at Perigee: 364045 km
21 12:06 Jupiter 0.5°N of Moon: Occn.
21 19 Mercury at Greatest Elong: 20.3°W
22 00:43 Moon at Descending Node
22 14 Venus at Superior Conjunction
22 20:50 Saturn 3.7°N of Moon
23 19:58 Spica 0.2°N of Moon
24 10:09 FIRST QUARTER MOON
27 04:33 Antares 0.3°N of Moon
28 20 Delta-Aquarid Meteor Shower
30 07 Venus at Perihelion
31 19:59 FULL MOON
Aug 03 03 Mars at Perihelion: 1.38105 AU
04 19:59 Moon at Ascending Node
05 01:15 Moon at Apogee: 405336 km
05 19 Mercury at Perihelion
09 00:14 LAST QUARTER MOON
10 01:07 Pleiades 0.5°S of Moon
13 12 Perseid Meteor Shower
14 00:27 Pollux 2.1°N of Moon
16 01:54 NEW MOON
16 23 Mercury at Superior Conjunction
17 07:24 Moon at Perigee: 359644 km
18 05:24 Jupiter 1.1°N of Moon: Occn.
18 06:41 Moon at Descending Node
19 08:25 Saturn 4.0°N of Moon
20 02:59 Spica 0.4°N of Moon
22 17:01 FIRST QUARTER MOON
23 10:06 Antares 0.4°N of Moon
30 10:56 FULL MOON
Sep 01 01:07 Moon at Ascending Node
01 12:45 Moon at Apogee: 406116 km
04 20 Mercury 0.7°S of Jupiter
06 08:36 Pleiades 0.7°S of Moon
06 20 Neptune in Conjunction with Sun
07 14:18 LAST QUARTER MOON
10 10:24 Pollux 2.0°N of Moon
12 21:05 Regulus 2.1°S of Moon
14 07 Mercury 3.0°S of Saturn
14 09:50 NEW MOON
14 09:55 Total Solar Eclipse; mag=1.068
14 16:26 Moon at Perigee: 357286 km
14 16:43 Moon at Descending Node
15 12:50 Venus 2.5°N of Moon
15 23:12 Saturn 4.3°N of Moon
16 00:07 Mercury 0.9°N of Moon: Occn.
16 12:17 Spica 0.4°N of Moon
18 19 Mercury at Aphelion
19 16:54 Antares 0.5°N of Moon
20 16 Venus 1.3°S of Saturn
21 02:48 FIRST QUARTER MOON
21 20:06 Mercury 0.2°N of Spica
22 09:10 Autumnal Equinox
26 02 Jupiter in Conjunction with Sun
28 03:18 Venus 2.6°N of Spica
28 07:27 Moon at Ascending Node
28 15:34 Moon at Apogee: 406272 km
29 03:33 Pen. Lunar Eclipse; mag=1.034
29 03:45 FULL MOON
30 20 Mercury at Greatest Elong: 25.9°E
Oct 03 14:42 Pleiades 0.6°S of Moon
07 02:21 LAST QUARTER MOON
07 18:42 Pollux 2.0°N of Moon
09 23 Saturn in Conjunction with Sun
10 07:19 Regulus 2.1°S of Moon
12 03:41 Moon at Descending Node
12 05 Mercury 3.6°S of Venus
12 09 Uranus at Opposition
13 03:26 Moon at Perigee: 357782 km
13 18:32 NEW MOON
15 02:33 Mercury 0.5°N of Moon: Occn.
15 11:24 Venus 4.2°N of Moon
17 01:52 Antares 0.4°N of Moon
18 01 Mars at Opposition
20 16:27 FIRST QUARTER MOON
22 04 Orionid Meteor Shower
25 03 Mercury at Inferior Conjunction
25 13:00 Moon at Ascending Node
25 20:06 Moon at Apogee: 405825 km
28 21:20 FULL MOON
30 20:23 Pleiades 0.6°S of Moon
Nov 01 19 Mercury at Perihelion
04 00:57 Pollux 2.2°N of Moon
04 07:59 Venus 3.6°N of Antares
05 12:42 LAST QUARTER MOON
06 05 S Taurid Meteor Shower
06 15:26 Regulus 1.9°S of Moon
08 11:30 Moon at Descending Node
09 18:17 Jupiter 3.0°N of Moon
10 00 Mercury at Greatest Elong: 19.0°W
10 07:45 Saturn 5.0°N of Moon
10 09:55 Spica 0.4°N of Moon
10 12:35 Moon at Perigee: 361208 km
12 04:29 NEW MOON
13 04 N Taurid Meteor Shower
13 12:23 Antares 0.3°N of Moon
14 09:49 Venus 3.8°N of Moon
18 10 Leonid Meteor Shower
19 10:17 FIRST QUARTER MOON
19 15 Venus at Aphelion
21 16:17 Moon at Ascending Node
22 10:25 Moon at Apogee: 404988 km
23 21:20 Mars 2.7°S of Moon
27 03:02 Pleiades 0.5°S of Moon
27 14:22 FULL MOON
Dec 01 06:26 Pollux 2.4°N of Moon
03 21:24 Regulus 1.7°S of Moon
04 21:45 LAST QUARTER MOON
05 14:02 Moon at Descending Node
07 10:55 Jupiter 3.7°N of Moon
07 18:33 Spica 0.6°N of Moon
08 08:15 Saturn 4.2°N of Spica
08 10:50 Moon at Perigee: 366610 km
11 16:09 NEW MOON
14 12:02 Venus 2.1°N of Moon
15 00 Geminid Meteor Shower
18 18:01 Moon at Ascending Node
18 23 Mercury at Superior Conjunction
19 07:22 FIRST QUARTER MOON
20 06:16 Moon at Apogee: 404339 km
21 07:04 Winter Solstice
21 17:26 Mars 2.3°S of Moon
23 08 Ursid Meteor Shower
24 11:13 Pleiades 0.6°S of Moon
27 05:58 FULL MOON
28 13:16 Pollux 2.5°N of Moon
31 03:07 Regulus 1.4°S of Moon
|
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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
2099 Phases of the Moon
Mountain Standard Time
The following table gives the date and time of the Moon's phases for the year. The times listed are for Mountain Standard Time (Coordinated Universal Time − 7 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.
| 2099 Phases of the Moon | |||
| Mountain Standard Time | |||
| New Moon | First Quarter | Full Moon | Last Quarter |
| - | - | Jan 06 18:50 | Jan 13 10:26 |
| Jan 21 02:07 | Jan 29 07:38 | Feb 05 05:48 | Feb 11 22:08 |
| Feb 19 21:05 | Feb 27 23:13 | Mar 06 15:59 | Mar 13 12:00 |
| Mar 21 15:46 A | Mar 29 10:38 | Apr 05 01:37 p | Apr 12 03:47 |
| Apr 20 08:30 | Apr 27 18:36 | May 04 10:58 | May 11 21:00 |
| May 19 22:16 | May 27 00:16 | Jun 02 20:37 | Jun 10 14:49 |
| Jun 18 09:10 | Jun 25 05:00 | Jul 02 07:21 | Jul 10 08:13 |
| Jul 17 18:01 | Jul 24 10:09 | Jul 31 19:59 | Aug 09 00:14 |
| Aug 16 01:54 | Aug 22 17:01 | Aug 30 10:56 | Sep 07 14:18 |
| Sep 14 09:50 T | Sep 21 02:48 | Sep 29 03:45 n | Oct 07 02:21 |
| Oct 13 18:32 | Oct 20 16:27 | Oct 28 21:20 | Nov 05 12:42 |
| Nov 12 04:29 | Nov 19 10:17 | Nov 27 14:22 | Dec 04 21:46 |
| Dec 11 16:09 | Dec 19 07:22 | Dec 27 05:58 | - |
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 | |||||
- 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)
- Time Zones Abbreviations
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
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
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