2017 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.
| 2017 Sky Event Almanac | ||||||||
| Greenwich Mean Time | ||||||||
| January - June | July - December | |||||||
Date GMT Event
(h:m)
Jan 02 09:20 Venus 1.9°S of Moon
02 18:14 Moon at Descending Node
03 06:47 Mars 0.2°S of Moon: Occn.
03 14 Quadrantid Meteor Shower
04 15 Earth at Perihelion: 0.98331 AU
05 19:47 FIRST QUARTER MOON
09 14:07 Aldebaran 0.4°S of Moon
10 06:07 Moon at Perigee: 363242 km
12 11:34 FULL MOON
12 13 Venus at Greatest Elong: 47.1°E
15 04:07 Regulus 0.9°N of Moon
15 10:44 Moon at Ascending Node
19 05:26 Jupiter 2.7°S of Moon
19 10 Mercury at Greatest Elong: 24.1°W
19 22:14 LAST QUARTER MOON
22 00:14 Moon at Apogee: 404913 km
24 10:37 Saturn 3.6°S of Moon
26 00:46 Mercury 3.7°S of Moon
28 00:07 NEW MOON
29 22:21 Moon at Descending Node
31 13:11 Jupiter 3.5°N of Spica
31 14:34 Venus 4.1°N of Moon
Feb 01 01:09 Mars 2.3°N of Moon
04 04:19 FIRST QUARTER MOON
05 21:14 Aldebaran 0.2°S of Moon
06 13:59 Moon at Perigee: 368817 km
07 14 Mercury at Aphelion
11 00:33 FULL MOON
11 00:44 Pen. Lunar Eclipse; mag=0.988
11 14:04 Regulus 0.8°N of Moon
11 19:49 Moon at Ascending Node
15 14:55 Jupiter 2.7°S of Moon
17 07 Jupiter at Aphelion: 5.45652 AU
18 19:33 LAST QUARTER MOON
18 21:14 Moon at Apogee: 404376 km
20 16 Venus at Perihelion
20 23:44 Saturn 3.6°S of Moon
26 06:28 Moon at Descending Node
26 14:53 Annular Solar Eclipse; mag=0.992
26 14:58 NEW MOON
Mar 01 18:58 Mars 4.3°N of Moon
02 02 Neptune in Conjunction with Sun
03 07:24 Moon at Perigee: 369065 km
05 02:38 Aldebaran 0.2°S of Moon
05 11:32 FIRST QUARTER MOON
07 00 Mercury at Superior Conjunction
10 22:20 Regulus 0.8°N of Moon
11 04:17 Moon at Ascending Node
12 14:54 FULL MOON
14 20:04 Jupiter 2.5°S of Moon
18 17:25 Moon at Apogee: 404651 km
20 10:29 Vernal Equinox
20 10:49 Saturn 3.4°S of Moon
20 15:58 LAST QUARTER MOON
23 14 Mercury at Perihelion
25 11 Venus at Inferior Conjunction
25 15:41 Moon at Descending Node
28 02:57 NEW MOON
30 12:39 Moon at Perigee: 363855 km
Apr 01 08:50 Aldebaran 0.3°S of Moon
01 10 Mercury at Greatest Elong: 19.0°E
03 18:39 FIRST QUARTER MOON
07 04:30 Regulus 0.7°N of Moon
07 09:14 Moon at Ascending Node
07 21 Jupiter at Opposition
10 21:20 Jupiter 2.2°S of Moon
11 06:08 FULL MOON
14 06 Uranus in Conjunction with Sun
15 10:05 Moon at Apogee: 405478 km
16 18:39 Saturn 3.2°S of Moon
19 09:57 LAST QUARTER MOON
20 06 Mercury at Inferior Conjunction
21 08:16 Mars 3.4°S of Pleiades
21 22:30 Moon at Descending Node
22 12 Lyrid Meteor Shower
26 12:16 NEW MOON
27 16:18 Moon at Perigee: 359325 km
28 17:19 Aldebaran 0.5°S of Moon
May 03 02:47 FIRST QUARTER MOON
04 09:49 Regulus 0.5°N of Moon
04 10:42 Moon at Ascending Node
05 01 Eta-Aquarid Meteor Shower
07 21:24 Jupiter 2.1°S of Moon
10 21:43 FULL MOON
12 19:51 Moon at Apogee: 406212 km
13 23:07 Saturn 3.1°S of Moon
17 23 Mercury at Greatest Elong: 25.8°W
19 00:33 LAST QUARTER MOON
19 01:30 Moon at Descending Node
22 12:32 Venus 2.4°N of Moon
24 01:20 Mercury 1.6°N of Moon
25 19:44 NEW MOON
26 01:23 Moon at Perigee: 357210 km
31 11:56 Moon at Ascending Node
31 16:08 Regulus 0.3°N of Moon
Jun 01 12:42 FIRST QUARTER MOON
03 11 Venus at Greatest Elong: 45.9°W
03 23:57 Jupiter 2.3°S of Moon
08 22:21 Moon at Apogee: 406402 km
09 13:10 FULL MOON
10 01:25 Saturn 3.1°S of Moon
13 00 Venus at Aphelion
15 02:40 Moon at Descending Node
15 09 Saturn at Opposition
17 11:33 LAST QUARTER MOON
19 13 Mercury at Perihelion
20 21:13 Venus 2.4°N of Moon
21 04:25 Summer Solstice
21 14 Mercury at Superior Conjunction
22 14:23 Aldebaran 0.5°S of Moon
23 10:49 Moon at Perigee: 357938 km
24 02:31 NEW MOON
27 16:26 Moon at Ascending Node
28 00:26 Regulus 0.1°N of Moon
|
Date GMT Event
(h:m)
Jul 01 00:51 FIRST QUARTER MOON
01 07:28 Jupiter 2.7°S of Moon
03 20 Earth at Aphelion: 1.01668 AU
06 04:27 Moon at Apogee: 405934 km
07 03:34 Saturn 3.2°S of Moon
09 04:07 FULL MOON
12 05:17 Moon at Descending Node
13 18:03 Venus 3.1°N of Aldebaran
16 19:26 LAST QUARTER MOON
19 23:37 Aldebaran 0.4°S of Moon
20 11:13 Venus 2.7°N of Moon
21 17:09 Moon at Perigee: 361238 km
23 09:46 NEW MOON
25 00:46 Moon at Ascending Node
25 08:49 Mercury 0.9°S of Moon: Occn.
25 10:14 Regulus 0.0°S of Moon
25 17:03 Mercury 0.8°S of Regulus
27 00 Mars in Conjunction with Sun
28 03 Delta-Aquarid Meteor Shower
28 20:15 Jupiter 3.1°S of Moon
30 04 Mercury at Greatest Elong: 27.2°E
30 15:23 FIRST QUARTER MOON
Aug 02 13 Mercury at Aphelion
02 17:55 Moon at Apogee: 405026 km
03 07:31 Saturn 3.5°S of Moon
07 18:11 FULL MOON
07 18:20 Partial Lunar Eclipse; mag=0.246
08 10:56 Moon at Descending Node
12 19 Perseid Meteor Shower
15 01:15 LAST QUARTER MOON
16 06:39 Aldebaran 0.4°S of Moon
18 13:14 Moon at Perigee: 366129 km
19 04:45 Venus 2.2°N of Moon
21 10:34 Moon at Ascending Node
21 18:26 Total Solar Eclipse; mag=1.031
21 18:30 NEW MOON
25 13:00 Jupiter 3.5°S of Moon
26 21 Mercury at Inferior Conjunction
29 08:13 FIRST QUARTER MOON
30 11:25 Moon at Apogee: 404307 km
30 14:23 Saturn 3.6°S of Moon
Sep 04 18:41 Moon at Descending Node
05 04 Neptune at Opposition
06 07:03 FULL MOON
10 05:30 Mercury 0.7°S of Regulus
10 21:44 Jupiter 2.9°N of Spica
12 10 Mercury at Greatest Elong: 17.9°W
12 12:09 Aldebaran 0.4°S of Moon
13 06:25 LAST QUARTER MOON
13 16:04 Moon at Perigee: 369856 km
15 12 Mercury at Perihelion
16 18 Mercury 0.1°N of Mars
17 18:28 Moon at Ascending Node
18 00:56 Venus 0.5°N of Moon: Occn.
18 04:32 Regulus 0.1°S of Moon
18 19:42 Mars 0.1°S of Moon: Occn.
18 23:22 Mercury 0.0°N of Moon: Occn.
19 21:30 Venus 0.4°N of Regulus
20 05:30 NEW MOON
22 07:51 Jupiter 3.7°S of Moon
22 20:02 Autumnal Equinox
27 00:09 Saturn 3.5°S of Moon
27 06:49 Moon at Apogee: 404342 km
28 02:54 FIRST QUARTER MOON
Oct 02 02:05 Moon at Descending Node
03 09 Venus at Perihelion
05 16 Venus 0.2°N of Mars
05 18:40 FULL MOON
07 22 Mars at Aphelion: 1.66609 AU
08 21 Mercury at Superior Conjunction
09 05:51 Moon at Perigee: 366858 km
09 18:05 Aldebaran 0.6°S of Moon
12 12:25 LAST QUARTER MOON
14 22:10 Moon at Ascending Node
15 10:54 Regulus 0.2°S of Moon
17 10:04 Mars 1.8°S of Moon
18 00:21 Venus 2.0°S of Moon
19 17 Uranus at Opposition
19 19:12 NEW MOON
21 11 Orionid Meteor Shower
24 11:54 Saturn 3.3°S of Moon
25 02:25 Moon at Apogee: 405151 km
26 18 Jupiter in Conjunction with Sun
27 22:22 FIRST QUARTER MOON
29 06:41 Moon at Descending Node
Nov 02 13:58 Venus 3.3°N of Spica
04 05:23 FULL MOON
05 11 S Taurid Meteor Shower
06 00:09 Moon at Perigee: 361438 km
06 02:19 Aldebaran 0.8°S of Moon
10 20:37 LAST QUARTER MOON
10 22:40 Moon at Ascending Node
11 16:07 Regulus 0.4°S of Moon
12 11 N Taurid Meteor Shower
12 17:50 Mercury 2.2°N of Antares
15 00:40 Mars 3.2°S of Moon
16 21:26 Jupiter 4.1°S of Moon
17 17 Leonid Meteor Shower
18 11:42 NEW MOON
21 00:34 Saturn 3.0°S of Moon
21 18:52 Moon at Apogee: 406132 km
24 00 Mercury at Greatest Elong: 22.0°E
25 08:22 Moon at Descending Node
26 17:03 FIRST QUARTER MOON
29 14:30 Mars 2.9°N of Spica
Dec 03 13:00 Aldebaran 0.8°S of Moon
03 15:47 FULL MOON
04 08:42 Moon at Perigee: 357496 km
08 00:39 Moon at Ascending Node
08 22:25 Regulus 0.7°S of Moon
10 07:51 LAST QUARTER MOON
12 12 Mercury at Perihelion
13 02 Mercury at Inferior Conjunction
13 16:27 Mars 4.2°S of Moon
14 06 Geminid Meteor Shower
14 14:26 Jupiter 4.2°S of Moon
18 06:31 NEW MOON
19 01:27 Moon at Apogee: 406605 km
21 16:29 Winter Solstice
21 20 Saturn in Conjunction with Sun
22 10:04 Moon at Descending Node
22 15 Ursid Meteor Shower
26 09:20 FIRST QUARTER MOON
31 00:25 Aldebaran 0.7°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
2017 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.
| 2017 Phases of the Moon | |||
| Greenwich Mean Time | |||
| New Moon | First Quarter | Full Moon | Last Quarter |
| - | Jan 05 19:47 | Jan 12 11:34 | Jan 19 22:14 |
| Jan 28 00:07 | Feb 04 04:19 | Feb 11 00:33 n | Feb 18 19:33 |
| Feb 26 14:58 A | Mar 05 11:32 | Mar 12 14:54 | Mar 20 15:58 |
| Mar 28 02:57 | Apr 03 18:39 | Apr 11 06:08 | Apr 19 09:57 |
| Apr 26 12:16 | May 03 02:47 | May 10 21:43 | May 19 00:33 |
| May 25 19:44 | Jun 01 12:42 | Jun 09 13:10 | Jun 17 11:33 |
| Jun 24 02:31 | Jul 01 00:51 | Jul 09 04:07 | Jul 16 19:26 |
| Jul 23 09:46 | Jul 30 15:23 | Aug 07 18:11 p | Aug 15 01:15 |
| Aug 21 18:30 T | Aug 29 08:13 | Sep 06 07:03 | Sep 13 06:25 |
| Sep 20 05:30 | Sep 28 02:54 | Oct 05 18:40 | Oct 12 12:25 |
| Oct 19 19:12 | Oct 27 22:22 | Nov 04 05:23 | Nov 10 20:37 |
| Nov 18 11:42 | Nov 26 17:03 | Dec 03 15:47 | Dec 10 07:51 |
| Dec 18 06:31 | Dec 26 09:20 | - | - |
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: 2011 to 2020
Europe, Africa, and the Middle East
Below are links to sky event almanacs from 2011 to 2020 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 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| GMT | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| CET | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| EET | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| MSK | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| GST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
- 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)