2091 Sky Event Almanac
Cape Verde Time
The following table gives the date and time of the important astronomical events for the year. The times listed are for Cape Verde Time (Coordinated Universal Time − 1 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.
| 2091 Sky Event Almanac | ||||||||
| Cape Verde Time | ||||||||
| January - June | July - December | |||||||
Date CVT Event
(h:m)
Jan 02 22:45 Aldebaran 0.4°S of Moon
03 16:26 Saturn 3.6°N of Moon
04 13 Quadrantid Meteor Shower
04 19 Earth at Perihelion: 0.98327 AU
05 14:50 FULL MOON
08 19:26 Regulus 1.7°N of Moon
09 16:42 Moon at Ascending Node
09 21:29 Moon at Perigee: 368696 km
10 13:32 Mars 2.2°N of Moon
10 19 Mercury 0.7°S of Jupiter
12 11:34 LAST QUARTER MOON
16 00:06 Venus 2.5°S of Moon
17 03 Mercury at Aphelion
17 22:17 Jupiter 4.5°S of Moon
19 15:31 NEW MOON
23 01:23 Moon at Descending Node
25 13:57 Moon at Apogee: 404798 km
27 18:23 FIRST QUARTER MOON
30 08:12 Aldebaran 0.2°S of Moon
30 23:22 Saturn 3.8°N of Moon
Feb 04 03:46 FULL MOON
05 04:08 Regulus 1.6°N of Moon
05 17 Mercury at Superior Conjunction
05 22:51 Moon at Ascending Node
06 08:12 Moon at Perigee: 363106 km
06 22:07 Mars 2.8°N of Moon
10 20:11 LAST QUARTER MOON
10 23 Venus 1.2°N of Jupiter
14 15 Neptune at Opposition
14 15:33 Jupiter 4.4°S of Moon
14 20 Mars at Aphelion: 1.66607 AU
14 23:11 Venus 3.2°S of Moon
18 08:38 NEW MOON
18 08:52 Partial Solar Eclipse; mag=0.656
19 07:55 Moon at Descending Node
22 07:37 Moon at Apogee: 405740 km
26 13:47 FIRST QUARTER MOON
26 16:48 Aldebaran 0.2°S of Moon
27 07:57 Saturn 4.0°N of Moon
Mar 02 03 Mercury at Perihelion
04 14:57 Regulus 1.6°N of Moon
04 22 Mercury at Greatest Elong: 18.2°E
05 09:18 Moon at Ascending Node
05 14:55 Total Lunar Eclipse; mag=1.283
05 14:59 FULL MOON
05 19:49 Mars 3.8°N of Moon
06 04 Uranus in Conjunction with Sun
06 15:02 Moon at Perigee: 358572 km
06 18 Mars at Opposition
12 06:02 LAST QUARTER MOON
14 06:20 Jupiter 4.2°S of Moon
17 03:40 Venus 2.3°S of Moon
18 14:29 Moon at Descending Node
20 02:45 NEW MOON
20 07:40 Vernal Equinox
21 06 Mercury at Inferior Conjunction
21 16:48 Moon at Apogee: 406436 km
25 23:49 Aldebaran 0.2°S of Moon
26 17:34 Saturn 4.0°N of Moon
28 05:31 FIRST QUARTER MOON
Apr 01 01:47 Regulus 1.6°N of Moon
01 16:39 Mars 3.8°N of Moon
01 20:02 Moon at Ascending Node
04 00:31 FULL MOON
04 02:26 Moon at Perigee: 356783 km
10 01 Venus at Aphelion
10 17:45 LAST QUARTER MOON
10 18:54 Jupiter 4.0°S of Moon
13 09 Mercury 0.3°S of Venus
14 18:56 Moon at Descending Node
16 08:05 Mercury 0.5°S of Moon: Occn.
16 09:58 Venus 0.2°N of Moon: Occn.
17 18:25 Moon at Apogee: 406548 km
18 03 Mercury at Greatest Elong: 27.6°W
18 20:20 NEW MOON
22 05:43 Aldebaran 0.4°S of Moon
23 04:09 Saturn 3.9°N of Moon
23 10 Lyrid Meteor Shower
26 17:20 FIRST QUARTER MOON
28 10:39 Regulus 1.4°N of Moon
29 00:08 Mars 2.5°N of Moon
29 03:03 Moon at Ascending Node
May 02 13:03 Moon at Perigee: 358058 km
03 08:46 FULL MOON
05 07 Mercury 1.0°S of Venus
05 23 Eta-Aquarid Meteor Shower
08 05:13 Jupiter 3.7°S of Moon
10 07:36 LAST QUARTER MOON
11 21:02 Moon at Descending Node
15 02:48 Moon at Apogee: 405973 km
16 17:31 Venus 3.0°N of Moon
18 12:07 NEW MOON
20 15:59 Saturn 3.8°N of Moon
25 17:05 Regulus 1.2°N of Moon
26 01:42 FIRST QUARTER MOON
26 05:26 Moon at Ascending Node
26 18:12 Mars 0.6°N of Moon: Occn.
27 03 Mercury at Superior Conjunction
29 02 Mercury at Perihelion
30 18:30 Moon at Perigee: 361863 km
Jun 01 16:31 FULL MOON
04 12:47 Jupiter 3.7°S of Moon
07 22:52 Moon at Descending Node
08 23:22 LAST QUARTER MOON
11 18:05 Moon at Apogee: 404966 km
15 18:19 Aldebaran 0.4°S of Moon
17 01:41 NEW MOON
19 22 Saturn in Conjunction with Sun
21 00:17 Summer Solstice
21 22:19 Regulus 0.9°N of Moon
22 06:09 Moon at Ascending Node
23 19:03 Mars 1.4°S of Moon
24 07:31 FIRST QUARTER MOON
27 10:38 Moon at Perigee: 366857 km
30 10 Mercury at Greatest Elong: 25.6°E
|
Date CVT Event
(h:m)
Jul 01 00:54 FULL MOON
01 17:18 Jupiter 3.8°S of Moon
05 02:55 Moon at Descending Node
07 12 Earth at Aphelion: 1.01668 AU
08 16:21 LAST QUARTER MOON
09 06 Jupiter at Opposition
09 12:01 Moon at Apogee: 404243 km
12 02 Mercury at Aphelion
13 02:10 Aldebaran 0.3°S of Moon
14 19:54 Saturn 3.6°N of Moon
16 13:15 NEW MOON
17 18:32 Mercury 1.9°S of Moon
19 04:18 Regulus 0.8°N of Moon
19 09:19 Moon at Ascending Node
22 00:37 Mars 3.4°S of Moon
23 03:02 Moon at Perigee: 369671 km
23 12:02 FIRST QUARTER MOON
25 01 Venus at Superior Conjunction
28 03 Mercury at Inferior Conjunction
28 19:39 Jupiter 4.1°S of Moon
29 01 Delta-Aquarid Meteor Shower
30 11:01 FULL MOON
31 10 Venus at Perihelion
Aug 01 09:39 Moon at Descending Node
06 06:42 Moon at Apogee: 404324 km
07 09:44 LAST QUARTER MOON
09 10:37 Aldebaran 0.2°S of Moon
11 10:54 Saturn 3.5°N of Moon
12 03:31 Mars 1.6°N of Spica
13 13:27 Mercury 0.9°N of Moon: Occn.
13 17 Perseid Meteor Shower
14 23:22 NEW MOON
14 23:32 Total Solar Eclipse; mag=1.022
15 16:37 Moon at Ascending Node
16 00 Mercury at Greatest Elong: 18.8°W
18 05:08 Moon at Perigee: 366147 km
19 23 Neptune in Conjunction with Sun
21 16:43 FIRST QUARTER MOON
24 22:04 Jupiter 4.3°S of Moon
25 02 Mercury at Perihelion
28 17:21 Moon at Descending Node
28 23:35 Total Lunar Eclipse; mag=1.235
28 23:39 FULL MOON
Sep 03 00:49 Moon at Apogee: 405142 km
05 18:49 Aldebaran 0.2°S of Moon
06 02:47 LAST QUARTER MOON
08 00:47 Saturn 3.4°N of Moon
10 01 Mercury at Superior Conjunction
10 07 Uranus at Opposition
11 22:11 Regulus 0.8°N of Moon
12 02:31 Moon at Ascending Node
13 08:34 NEW MOON
15 00:40 Moon at Perigee: 361131 km
19 23:10 FIRST QUARTER MOON
21 03:23 Jupiter 4.3°S of Moon
22 16:49 Autumnal Equinox
24 23:29 Moon at Descending Node
27 14:56 FULL MOON
28 22:12 Venus 2.6°N of Spica
30 15:41 Moon at Apogee: 406084 km
Oct 01 05:26 Mercury 1.5°N of Spica
03 02:01 Aldebaran 0.3°S of Moon
05 11:41 Saturn 3.2°N of Moon
05 18:53 LAST QUARTER MOON
09 08:33 Regulus 0.7°N of Moon
09 11:41 Moon at Ascending Node
09 22 Mercury 1.9°S of Venus
12 17:29 NEW MOON
13 08:20 Moon at Perigee: 357592 km
14 03:26 Venus 4.9°S of Moon
18 13:38 Jupiter 4.0°S of Moon
19 08:50 FIRST QUARTER MOON
19 12:36 Mars 3.5°N of Antares
22 02:27 Moon at Descending Node
22 09 Orionid Meteor Shower
23 10 Saturn at Perihelion: 9.01429 AU
26 08 Mercury at Greatest Elong: 24.2°E
27 08:18 FULL MOON
27 21:34 Moon at Apogee: 406488 km
30 08:14 Aldebaran 0.5°S of Moon
Nov 01 18:26 Saturn 3.0°N of Moon
04 09:27 LAST QUARTER MOON
05 02:17 Venus 3.7°N of Antares
05 16:49 Moon at Ascending Node
05 17:32 Regulus 0.5°N of Moon
06 10 S Taurid Meteor Shower
10 20:06 Moon at Perigee: 356866 km
11 02:42 NEW MOON
13 09 N Taurid Meteor Shower
15 05:12 Jupiter 3.5°S of Moon
17 07 Mercury at Inferior Conjunction
17 22:38 FIRST QUARTER MOON
18 03:23 Moon at Descending Node
18 15 Leonid Meteor Shower
20 18 Venus at Aphelion
21 01 Mercury at Perihelion
23 22:32 Moon at Apogee: 406275 km
26 02:43 FULL MOON
26 14:14 Aldebaran 0.6°S of Moon
28 21:42 Saturn 2.8°N of Moon
30 05 Venus 0.6°S of Mars
Dec 02 17:51 Moon at Ascending Node
03 00:08 Regulus 0.2°N of Moon
03 21:55 LAST QUARTER MOON
04 10 Mercury at Greatest Elong: 20.4°W
09 02:11 Mercury 3.2°S of Moon
09 07:19 Moon at Perigee: 359394 km
10 12:54 NEW MOON
11 05 Venus 1.6°S of Jupiter
12 17:52 Mars 4.1°S of Moon
13 00:50 Jupiter 3.0°S of Moon
13 04:51 Venus 4.4°S of Moon
15 05 Geminid Meteor Shower
15 06:02 Moon at Descending Node
17 16:29 FIRST QUARTER MOON
20 03 Mars 0.8°S of Jupiter
21 09:59 Moon at Apogee: 405544 km
21 14:37 Winter Solstice
23 13 Ursid Meteor Shower
23 20:55 Aldebaran 0.5°S of Moon
25 20:59 FULL MOON
25 23:53 Saturn 2.9°N of Moon
27 15 Saturn at Opposition
29 18:59 Moon at Ascending Node
30 05:26 Regulus 0.0°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
2091 Phases of the Moon
Cape Verde Time
The following table gives the date and time of the Moon's phases for the year. The times listed are for Cape Verde Time (Coordinated Universal Time − 1 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.
| 2091 Phases of the Moon | |||
| Cape Verde Time | |||
| New Moon | First Quarter | Full Moon | Last Quarter |
| - | - | Jan 05 14:50 | Jan 12 11:34 |
| Jan 19 15:31 | Jan 27 18:23 | Feb 04 03:46 | Feb 10 20:11 |
| Feb 18 08:38 P | Feb 26 13:47 | Mar 05 14:59 t | Mar 12 06:02 |
| Mar 20 02:45 | Mar 28 05:31 | Apr 04 00:31 | Apr 10 17:45 |
| Apr 18 20:20 | Apr 26 17:20 | May 03 08:46 | May 10 07:36 |
| May 18 12:07 | May 26 01:42 | Jun 01 16:31 | Jun 08 23:22 |
| Jun 17 01:41 | Jun 24 07:31 | Jul 01 00:54 | Jul 08 16:21 |
| Jul 16 13:15 | Jul 23 12:02 | Jul 30 11:01 | Aug 07 09:44 |
| Aug 14 23:22 T | Aug 21 16:43 | Aug 28 23:39 t | Sep 06 02:47 |
| Sep 13 08:34 | Sep 19 23:10 | Sep 27 14:56 | Oct 05 18:53 |
| Oct 12 17:29 | Oct 19 08:50 | Oct 27 08:18 | Nov 04 09:27 |
| Nov 11 02:42 | Nov 17 22:38 | Nov 26 02:43 | Dec 03 21:55 |
| Dec 10 12:54 | Dec 17 16:29 | Dec 25 20:59 | - |
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
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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Astronomy Tools (Astronomy Tools)