2091 Sky Event Almanac
Greenwich Mean Time
The following table gives the date and time of the important astronomical events for the year. The times listed are for Greenwich Mean Time (= Coordinated Universal Time) . 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.
| 2091 Sky Event Almanac | ||||||||
| Greenwich Mean Time | ||||||||
| January - June | July - December | |||||||
Date GMT Event
(h:m)
Jan 02 23:45 Aldebaran 0.4°S of Moon
03 17:26 Saturn 3.6°N of Moon
04 14 Quadrantid Meteor Shower
04 20 Earth at Perihelion: 0.98327 AU
05 15:50 FULL MOON
08 20:26 Regulus 1.7°N of Moon
09 17:42 Moon at Ascending Node
09 22:29 Moon at Perigee: 368696 km
10 14:32 Mars 2.2°N of Moon
10 20 Mercury 0.7°S of Jupiter
12 12:34 LAST QUARTER MOON
16 01:06 Venus 2.5°S of Moon
17 04 Mercury at Aphelion
17 23:17 Jupiter 4.5°S of Moon
19 16:31 NEW MOON
23 02:23 Moon at Descending Node
25 14:57 Moon at Apogee: 404798 km
27 19:23 FIRST QUARTER MOON
30 09:12 Aldebaran 0.2°S of Moon
31 00:22 Saturn 3.8°N of Moon
Feb 04 04:46 FULL MOON
05 05:08 Regulus 1.6°N of Moon
05 18 Mercury at Superior Conjunction
05 23:51 Moon at Ascending Node
06 09:12 Moon at Perigee: 363106 km
06 23:07 Mars 2.8°N of Moon
10 21:11 LAST QUARTER MOON
11 00 Venus 1.2°N of Jupiter
14 16 Neptune at Opposition
14 16:33 Jupiter 4.4°S of Moon
14 21 Mars at Aphelion: 1.66607 AU
15 00:11 Venus 3.2°S of Moon
18 09:38 NEW MOON
18 09:52 Partial Solar Eclipse; mag=0.656
19 08:55 Moon at Descending Node
22 08:37 Moon at Apogee: 405740 km
26 14:47 FIRST QUARTER MOON
26 17:48 Aldebaran 0.2°S of Moon
27 08:57 Saturn 4.0°N of Moon
Mar 02 04 Mercury at Perihelion
04 15:57 Regulus 1.6°N of Moon
04 23 Mercury at Greatest Elong: 18.2°E
05 10:18 Moon at Ascending Node
05 15:55 Total Lunar Eclipse; mag=1.283
05 15:59 FULL MOON
05 20:49 Mars 3.8°N of Moon
06 05 Uranus in Conjunction with Sun
06 16:02 Moon at Perigee: 358572 km
06 19 Mars at Opposition
12 07:02 LAST QUARTER MOON
14 07:20 Jupiter 4.2°S of Moon
17 04:40 Venus 2.3°S of Moon
18 15:29 Moon at Descending Node
20 03:45 NEW MOON
20 08:40 Vernal Equinox
21 07 Mercury at Inferior Conjunction
21 17:48 Moon at Apogee: 406436 km
26 00:49 Aldebaran 0.2°S of Moon
26 18:34 Saturn 4.0°N of Moon
28 06:31 FIRST QUARTER MOON
Apr 01 02:47 Regulus 1.6°N of Moon
01 17:39 Mars 3.8°N of Moon
01 21:02 Moon at Ascending Node
04 01:31 FULL MOON
04 03:26 Moon at Perigee: 356783 km
10 02 Venus at Aphelion
10 18:45 LAST QUARTER MOON
10 19:54 Jupiter 4.0°S of Moon
13 10 Mercury 0.3°S of Venus
14 19:56 Moon at Descending Node
16 09:05 Mercury 0.5°S of Moon: Occn.
16 10:58 Venus 0.2°N of Moon: Occn.
17 19:25 Moon at Apogee: 406548 km
18 04 Mercury at Greatest Elong: 27.6°W
18 21:20 NEW MOON
22 06:43 Aldebaran 0.4°S of Moon
23 05:09 Saturn 3.9°N of Moon
23 11 Lyrid Meteor Shower
26 18:20 FIRST QUARTER MOON
28 11:39 Regulus 1.4°N of Moon
29 01:08 Mars 2.5°N of Moon
29 04:03 Moon at Ascending Node
May 02 14:03 Moon at Perigee: 358058 km
03 09:46 FULL MOON
05 08 Mercury 1.0°S of Venus
06 00 Eta-Aquarid Meteor Shower
08 06:13 Jupiter 3.7°S of Moon
10 08:36 LAST QUARTER MOON
11 22:02 Moon at Descending Node
15 03:48 Moon at Apogee: 405973 km
16 18:31 Venus 3.0°N of Moon
18 13:07 NEW MOON
20 16:59 Saturn 3.8°N of Moon
25 18:05 Regulus 1.2°N of Moon
26 02:42 FIRST QUARTER MOON
26 06:26 Moon at Ascending Node
26 19:12 Mars 0.6°N of Moon: Occn.
27 04 Mercury at Superior Conjunction
29 03 Mercury at Perihelion
30 19:30 Moon at Perigee: 361863 km
Jun 01 17:31 FULL MOON
04 13:47 Jupiter 3.7°S of Moon
07 23:52 Moon at Descending Node
09 00:22 LAST QUARTER MOON
11 19:05 Moon at Apogee: 404966 km
15 19:19 Aldebaran 0.4°S of Moon
17 02:41 NEW MOON
19 23 Saturn in Conjunction with Sun
21 01:17 Summer Solstice
21 23:19 Regulus 0.9°N of Moon
22 07:09 Moon at Ascending Node
23 20:03 Mars 1.4°S of Moon
24 08:31 FIRST QUARTER MOON
27 11:38 Moon at Perigee: 366857 km
30 11 Mercury at Greatest Elong: 25.6°E
|
Date GMT Event
(h:m)
Jul 01 01:54 FULL MOON
01 18:18 Jupiter 3.8°S of Moon
05 03:55 Moon at Descending Node
07 13 Earth at Aphelion: 1.01668 AU
08 17:21 LAST QUARTER MOON
09 07 Jupiter at Opposition
09 13:01 Moon at Apogee: 404243 km
12 03 Mercury at Aphelion
13 03:10 Aldebaran 0.3°S of Moon
14 20:54 Saturn 3.6°N of Moon
16 14:15 NEW MOON
17 19:32 Mercury 1.9°S of Moon
19 05:18 Regulus 0.8°N of Moon
19 10:19 Moon at Ascending Node
22 01:37 Mars 3.4°S of Moon
23 04:02 Moon at Perigee: 369671 km
23 13:02 FIRST QUARTER MOON
25 02 Venus at Superior Conjunction
28 04 Mercury at Inferior Conjunction
28 20:39 Jupiter 4.1°S of Moon
29 02 Delta-Aquarid Meteor Shower
30 12:01 FULL MOON
31 11 Venus at Perihelion
Aug 01 10:39 Moon at Descending Node
06 07:42 Moon at Apogee: 404324 km
07 10:44 LAST QUARTER MOON
09 11:37 Aldebaran 0.2°S of Moon
11 11:54 Saturn 3.5°N of Moon
12 04:31 Mars 1.6°N of Spica
13 14:27 Mercury 0.9°N of Moon: Occn.
13 18 Perseid Meteor Shower
15 00:22 NEW MOON
15 00:32 Total Solar Eclipse; mag=1.022
15 17:37 Moon at Ascending Node
16 01 Mercury at Greatest Elong: 18.8°W
18 06:08 Moon at Perigee: 366147 km
20 00 Neptune in Conjunction with Sun
21 17:43 FIRST QUARTER MOON
24 23:04 Jupiter 4.3°S of Moon
25 03 Mercury at Perihelion
28 18:21 Moon at Descending Node
29 00:35 Total Lunar Eclipse; mag=1.235
29 00:39 FULL MOON
Sep 03 01:49 Moon at Apogee: 405142 km
05 19:49 Aldebaran 0.2°S of Moon
06 03:47 LAST QUARTER MOON
08 01:47 Saturn 3.4°N of Moon
10 02 Mercury at Superior Conjunction
10 08 Uranus at Opposition
11 23:11 Regulus 0.8°N of Moon
12 03:31 Moon at Ascending Node
13 09:34 NEW MOON
15 01:40 Moon at Perigee: 361131 km
20 00:10 FIRST QUARTER MOON
21 04:23 Jupiter 4.3°S of Moon
22 17:49 Autumnal Equinox
25 00:29 Moon at Descending Node
27 15:56 FULL MOON
28 23:12 Venus 2.6°N of Spica
30 16:41 Moon at Apogee: 406084 km
Oct 01 06:26 Mercury 1.5°N of Spica
03 03:01 Aldebaran 0.3°S of Moon
05 12:41 Saturn 3.2°N of Moon
05 19:53 LAST QUARTER MOON
09 09:33 Regulus 0.7°N of Moon
09 12:41 Moon at Ascending Node
09 23 Mercury 1.9°S of Venus
12 18:29 NEW MOON
13 09:20 Moon at Perigee: 357592 km
14 04:26 Venus 4.9°S of Moon
18 14:38 Jupiter 4.0°S of Moon
19 09:50 FIRST QUARTER MOON
19 13:36 Mars 3.5°N of Antares
22 03:27 Moon at Descending Node
22 10 Orionid Meteor Shower
23 11 Saturn at Perihelion: 9.01429 AU
26 09 Mercury at Greatest Elong: 24.2°E
27 09:18 FULL MOON
27 22:34 Moon at Apogee: 406488 km
30 09:14 Aldebaran 0.5°S of Moon
Nov 01 19:26 Saturn 3.0°N of Moon
04 10:27 LAST QUARTER MOON
05 03:17 Venus 3.7°N of Antares
05 17:49 Moon at Ascending Node
05 18:32 Regulus 0.5°N of Moon
06 11 S Taurid Meteor Shower
10 21:06 Moon at Perigee: 356866 km
11 03:42 NEW MOON
13 10 N Taurid Meteor Shower
15 06:12 Jupiter 3.5°S of Moon
17 08 Mercury at Inferior Conjunction
17 23:38 FIRST QUARTER MOON
18 04:23 Moon at Descending Node
18 16 Leonid Meteor Shower
20 19 Venus at Aphelion
21 02 Mercury at Perihelion
23 23:32 Moon at Apogee: 406275 km
26 03:43 FULL MOON
26 15:14 Aldebaran 0.6°S of Moon
28 22:42 Saturn 2.8°N of Moon
30 06 Venus 0.6°S of Mars
Dec 02 18:51 Moon at Ascending Node
03 01:08 Regulus 0.2°N of Moon
03 22:55 LAST QUARTER MOON
04 11 Mercury at Greatest Elong: 20.4°W
09 03:11 Mercury 3.2°S of Moon
09 08:19 Moon at Perigee: 359394 km
10 13:54 NEW MOON
11 06 Venus 1.6°S of Jupiter
12 18:52 Mars 4.1°S of Moon
13 01:50 Jupiter 3.0°S of Moon
13 05:51 Venus 4.4°S of Moon
15 06 Geminid Meteor Shower
15 07:02 Moon at Descending Node
17 17:29 FIRST QUARTER MOON
20 04 Mars 0.8°S of Jupiter
21 10:59 Moon at Apogee: 405544 km
21 15:37 Winter Solstice
23 14 Ursid Meteor Shower
23 21:55 Aldebaran 0.5°S of Moon
25 21:59 FULL MOON
26 00:53 Saturn 2.9°N of Moon
27 16 Saturn at Opposition
29 19:59 Moon at Ascending Node
30 06:26 Regulus 0.0°S of 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
2091 Phases of the Moon
Greenwich Mean Time
The following table gives the date and time of the Moon's phases for the year. The times listed are for Greenwich Mean Time (= Coordinated Universal Time) . This time zone may have different names in different countries. If Daylight Saving Time is in effect, add one hour to the times listed.
| 2091 Phases of the Moon | |||
| Greenwich Mean Time | |||
| New Moon | First Quarter | Full Moon | Last Quarter |
| - | - | Jan 05 15:50 | Jan 12 12:34 |
| Jan 19 16:31 | Jan 27 19:23 | Feb 04 04:46 | Feb 10 21:11 |
| Feb 18 09:38 P | Feb 26 14:47 | Mar 05 15:59 t | Mar 12 07:02 |
| Mar 20 03:45 | Mar 28 06:31 | Apr 04 01:31 | Apr 10 18:45 |
| Apr 18 21:20 | Apr 26 18:20 | May 03 09:46 | May 10 08:36 |
| May 18 13:07 | May 26 02:42 | Jun 01 17:31 | Jun 09 00:22 |
| Jun 17 02:41 | Jun 24 08:31 | Jul 01 01:54 | Jul 08 17:21 |
| Jul 16 14:15 | Jul 23 13:02 | Jul 30 12:01 | Aug 07 10:44 |
| Aug 15 00:22 T | Aug 21 17:43 | Aug 29 00:39 t | Sep 06 03:47 |
| Sep 13 09:34 | Sep 20 00:10 | Sep 27 15:56 | Oct 05 19:53 |
| Oct 12 18:29 | Oct 19 09:50 | Oct 27 09:18 | Nov 04 10:27 |
| Nov 11 03:42 | Nov 17 23:38 | Nov 26 03:43 | Dec 03 22:55 |
| Dec 10 13:54 | Dec 17 17:29 | Dec 25 21:59 | - |
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
Europe, Africa, and the Middle East
Below are links to sky event almanacs from 2091 to 2100 for six time zones
in Europe, Africa, and the Middle East.
Choose a time zone and click on a year to get a sky event almanac for that year.
| Sky Event Almanac - Europe, Africa, & Middle East | |||||||||||||||
| CVT | 2091 | 2092 | 2093 | 2094 | 2095 | 2096 | 2097 | 2098 | 2099 | 2100 | |||||
| GMT | 2091 | 2092 | 2093 | 2094 | 2095 | 2096 | 2097 | 2098 | 2099 | 2100 | |||||
| CET | 2091 | 2092 | 2093 | 2094 | 2095 | 2096 | 2097 | 2098 | 2099 | 2100 | |||||
| EET | 2091 | 2092 | 2093 | 2094 | 2095 | 2096 | 2097 | 2098 | 2099 | 2100 | |||||
| MSK | 2091 | 2092 | 2093 | 2094 | 2095 | 2096 | 2097 | 2098 | 2099 | 2100 | |||||
| GST | 2091 | 2092 | 2093 | 2094 | 2095 | 2096 | 2097 | 2098 | 2099 | 2100 | |||||
- CVT = Cape Verde Time (= UTC - 1 hour)
- GMT = Greenwich Mean Time (= UTC + 0 hour)
- CET = Central European Time (= UTC + 1 hour)
- EET = Eastern European Time (= UTC + 2 hours)
- MSK = Moscow Time (= UTC + 3 hours)
- GST = Gulf Standard Time (= UTC + 4 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
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)