2017Calendar of Astronomical Events
2017Phases 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(Greenwich Mean Time - 8 hours).If Daylight Saving Time is in effect, add one hour to the times listed.
| 2017 Phases of the Moon | |||
| Pacific Standard Time | |||
| New Moon | First Quarter | Full Moon | Last Quarter |
| - | Jan 5 11:47 | Jan 12 03:34 | Jan 19 14:14 |
| Jan 27 16:07 | Feb 3 20:19 | Feb 10 16:33 n | Feb 18 11:33 |
| Feb 26 06:58 A | Mar 5 03:32 | Mar 12 06:54 | Mar 20 07:58 |
| Mar 27 18:57 | Apr 3 10:39 | Apr 10 22:08 | Apr 19 01:57 |
| Apr 26 04:16 | May 2 18:47 | May 10 13:43 | May 18 16:33 |
| May 25 11:44 | Jun 1 04:42 | Jun 9 05:10 | Jun 17 03:33 |
| Jun 23 18:31 | Jun 30 16:51 | Jul 8 20:07 | Jul 16 11:26 |
| Jul 23 01:46 | Jul 30 07:23 | Aug 7 10:11 p | Aug 14 17:15 |
| Aug 21 10:30 T | Aug 29 00:13 | Sep 5 23:03 | Sep 12 22:25 |
| Sep 19 21:30 | Sep 27 18:54 | Oct 5 10:40 | Oct 12 04:25 |
| Oct 19 11:12 | Oct 27 14:22 | Nov 3 21:23 | Nov 10 12:37 |
| Nov 18 03:42 | Nov 26 09:03 | Dec 3 07:47 | Dec 9 23:51 |
| Dec 17 22:31 | Dec 26 01:20 | - | - |
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 table above. 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.
Phases of the Moon Photo Gallery is an image collection showing the Moon's phases over a complete synodic month.
2017Calendar of Astronomical Events
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(Greenwich Mean Time - 8 hours).If Daylight Saving Time is in effect, add one hour to the times listed. A key to astronomical terms appears below the calendar.
| 2017Calendar of Astronomical Events | ||||||||
| Pacific Standard Time | ||||||||
| January - June | July - December | |||||||
Date PST Event (h:m)Jan 02 01:20 Venus 1.9°S of Moon 02 10:14 Moon at Descending Node 02 22:47 Mars 0.2°S of Moon: Occn. 03 06 Quadrantid Meteor Shower 04 07 Earth at Perihelion: 0.98331 AU 05 11:47 FIRST QUARTER MOON 09 01 Mercury 6.7°N of Saturn 09 06:07 Aldebaran 0.4°S of Moon 09 22:07 Moon at Perigee: 363242 km 12 03:34 FULL MOON 12 05 Venus at Greatest Elong: 47.1°E 13 05:59 Beehive 3.9°N of Moon 14 20:07 Regulus 0.9°N of Moon 15 02:44 Moon at Ascending Node 18 21:26 Jupiter 2.7°S of Moon 19 02 Mercury at Greatest Elong: 24.1°W 19 14:14 LAST QUARTER MOON 21 16:14 Moon at Apogee: 404913 km 24 02:37 Saturn 3.6°S of Moon 25 16:46 Mercury 3.7°S of Moon 27 16:07 NEW MOON 29 14:21 Moon at Descending Node 31 05:11 Jupiter 3.5°N of Spica 31 06:34 Venus 4.1°N of Moon 31 17:09 Mars 2.3°N of MoonFeb 02 05 Venus 5.4°N of Mars 03 20:19 FIRST QUARTER MOON 05 13:14 Aldebaran 0.2°S of Moon 06 05:59 Moon at Perigee: 368817 km 07 06 Mercury at Aphelion 09 15:46 Beehive 3.9°N of Moon 10 16:33 FULL MOON 10 16:44 Pen. Lunar Eclipse; mag=0.988 11 06:04 Regulus 0.8°N of Moon 11 11:49 Moon at Ascending Node 15 06:55 Jupiter 2.7°S of Moon 16 23 Jupiter at Aphelion: 5.45652 AU 18 11:33 LAST QUARTER MOON 18 13:14 Moon at Apogee: 404376 km 20 08 Venus at Perihelion 20 15:44 Saturn 3.6°S of Moon 25 22:28 Moon at Descending Node 26 06:53 Annular Solar Eclipse; mag=0.992 26 06:58 NEW MOON Mar 01 10:58 Mars 4.3°N of Moon 01 18 Neptune in Conjunction with Sun 02 23:24 Moon at Perigee: 369065 km 04 18:38 Aldebaran 0.2°S of Moon 05 03:32 FIRST QUARTER MOON 06 16 Mercury at Superior Conjunction 08 23:12 Beehive 3.9°N of Moon 10 14:20 Regulus 0.8°N of Moon 10 20:17 Moon at Ascending Node 12 06:54 FULL MOON 14 12:04 Jupiter 2.5°S of Moon 18 09:25 Moon at Apogee: 404651 km 20 02:29 Vernal Equinox 20 02:49 Saturn 3.4°S of Moon 20 07:58 LAST QUARTER MOON 23 06 Mercury at Perihelion 25 03 Venus at Inferior Conjunction 25 07:41 Moon at Descending Node 27 18:57 NEW MOON 30 04:39 Moon at Perigee: 363855 km 30 05:03 Mars 5.5°N of MoonApr 01 00:50 Aldebaran 0.3°S of Moon 01 02 Mercury at Greatest Elong: 19.0°E 03 10:39 FIRST QUARTER MOON 05 04:45 Beehive 3.8°N of Moon 06 20:30 Regulus 0.7°N of Moon 07 01:14 Moon at Ascending Node 07 13 Jupiter at Opposition 10 13:20 Jupiter 2.2°S of Moon 10 22:08 FULL MOON 13 22 Uranus in Conjunction with Sun 15 02:05 Moon at Apogee: 405478 km 16 10:39 Saturn 3.2°S of Moon 19 01:57 LAST QUARTER MOON 19 22 Mercury at Inferior Conjunction 21 00:16 Mars 3.4°S of Pleiades 21 14:30 Moon at Descending Node 22 04 Lyrid Meteor Shower 23 09:59 Venus 5.2°N of Moon 26 04:16 NEW MOON 27 08:18 Moon at Perigee: 359325 km 28 09:19 Aldebaran 0.5°S of MoonMay 02 10:23 Beehive 3.6°N of Moon 02 18:47 FIRST QUARTER MOON 04 01:49 Regulus 0.5°N of Moon 04 02:42 Moon at Ascending Node 04 17 Eta-Aquarid Meteor Shower 05 05:51 Mars 6.1°N of Aldebaran 07 13:24 Jupiter 2.1°S of Moon 10 13:43 FULL MOON 12 11:51 Moon at Apogee: 406212 km 13 15:07 Saturn 3.1°S of Moon 17 15 Mercury at Greatest Elong: 25.8°W 18 16:33 LAST QUARTER MOON 18 17:30 Moon at Descending Node 22 04:32 Venus 2.4°N of Moon 23 17:20 Mercury 1.6°N of Moon 25 11:44 NEW MOON 25 17:23 Moon at Perigee: 357210 km 29 17:50 Beehive 3.4°N of Moon 31 03:56 Moon at Ascending Node 31 08:08 Regulus 0.3°N of MoonJun 01 04:42 FIRST QUARTER MOON 03 03 Venus at Greatest Elong: 45.9°W 03 15:57 Jupiter 2.3°S of Moon 06 19:19 Mercury 5.3°S of Pleiades 08 14:21 Moon at Apogee: 406402 km 09 05:10 FULL MOON 09 17:25 Saturn 3.1°S of Moon 12 16 Venus at Aphelion 14 18:40 Moon at Descending Node 15 01 Saturn at Opposition 17 03:33 LAST QUARTER MOON 19 05 Mercury at Perihelion 20 13:13 Venus 2.4°N of Moon 20 20:25 Summer Solstice 21 06 Mercury at Superior Conjunction 22 06:23 Aldebaran 0.5°S of Moon 23 02:49 Moon at Perigee: 357938 km 23 18:31 NEW MOON 26 03:18 Beehive 3.2°N of Moon 27 08:26 Moon at Ascending Node 27 16:26 Regulus 0.1°N of Moon 30 16:51 FIRST QUARTER MOON 30 23:28 Jupiter 2.7°S of Moon | Date PST Event (h:m)Jul 03 12 Earth at Aphelion: 1.01668 AU 04 16:21 Venus 6.5°S of Pleiades 05 20:27 Moon at Apogee: 405934 km 06 19:34 Saturn 3.2°S of Moon 08 20:07 FULL MOON 09 17:33 Mercury 0.1°N of Beehive 11 21:17 Moon at Descending Node 13 10:03 Venus 3.1°N of Aldebaran 16 11:26 LAST QUARTER MOON 19 15:37 Aldebaran 0.4°S of Moon 20 03:13 Venus 2.7°N of Moon 21 09:09 Moon at Perigee: 361238 km 23 01:46 NEW MOON 24 16:46 Moon at Ascending Node 25 00:49 Mercury 0.9°S of Moon: Occn. 25 02:14 Regulus 0.0°S of Moon 25 09:03 Mercury 0.8°S of Regulus 26 16 Mars in Conjunction with Sun 27 19 Delta-Aquarid Meteor Shower 28 12:15 Jupiter 3.1°S of Moon 29 20 Mercury at Greatest Elong: 27.2°E 30 07:23 FIRST QUARTER MOON Aug 02 05 Mercury at Aphelion 02 09:55 Moon at Apogee: 405026 km 02 23:31 Saturn 3.5°S of Moon 07 10:11 FULL MOON 07 10:20 Partial Lunar Eclipse; mag=0.246 08 02:56 Moon at Descending Node 12 11 Perseid Meteor Shower 14 17:15 LAST QUARTER MOON 15 22:39 Aldebaran 0.4°S of Moon 18 05:14 Moon at Perigee: 366129 km 18 20:45 Venus 2.2°N of Moon 19 23:15 Beehive 3.2°N of Moon 20 10:08 Venus 7.2°S of Pollux 21 02:34 Moon at Ascending Node 21 10:26 Total Solar Eclipse; mag=1.031 21 10:30 NEW MOON 25 05:00 Jupiter 3.5°S of Moon 26 13 Mercury at Inferior Conjunction 29 00:13 FIRST QUARTER MOON 30 03:25 Moon at Apogee: 404307 km 30 06:23 Saturn 3.6°S of Moon 31 22:08 Venus 1.4°S of BeehiveSep 04 10:41 Moon at Descending Node 04 16 Mercury 3.2°S of Mars 04 20 Neptune at Opposition 05 23:03 FULL MOON 09 21:30 Mercury 0.7°S of Regulus 10 13:44 Jupiter 2.9°N of Spica 12 02 Mercury at Greatest Elong: 17.9°W 12 04:09 Aldebaran 0.4°S of Moon 12 22:25 LAST QUARTER MOON 13 08:04 Moon at Perigee: 369856 km 15 04 Mercury at Perihelion 16 06:50 Beehive 3.1°N of Moon 16 10 Mercury 0.1°N of Mars 17 10:28 Moon at Ascending Node 17 16:56 Venus 0.5°N of Moon: Occn. 17 20:32 Regulus 0.1°S of Moon 18 15:22 Mercury 0.0°N of Moon: Occn. 19 13:30 Venus 0.4°N of Regulus 19 21:30 NEW MOON 21 23:51 Jupiter 3.7°S of Moon 22 12:02 Autumnal Equinox 26 16:09 Saturn 3.5°S of Moon 26 22:49 Moon at Apogee: 404342 km 27 18:54 FIRST QUARTER MOON Oct 01 18:05 Moon at Descending Node 03 01 Venus at Perihelion 05 08 Venus 0.2°N of Mars 05 10:40 FULL MOON 07 14 Mars at Aphelion: 1.66609 AU 08 13 Mercury at Superior Conjunction 08 21:51 Moon at Perigee: 366858 km 09 10:05 Aldebaran 0.6°S of Moon 12 04:25 LAST QUARTER MOON 13 12:29 Beehive 3.0°N of Moon 14 14:10 Moon at Ascending Node 15 02:54 Regulus 0.2°S of Moon 17 02:04 Mars 1.8°S of Moon 17 16:21 Venus 2.0°S of Moon 19 09 Uranus at Opposition 19 11:12 NEW MOON 21 03 Orionid Meteor Shower 24 03:54 Saturn 3.3°S of Moon 24 18:25 Moon at Apogee: 405151 km 26 10 Jupiter in Conjunction with Sun 27 14:22 FIRST QUARTER MOON 28 22:41 Moon at Descending Node Nov 02 05:58 Venus 3.3°N of Spica 03 21:23 FULL MOON 05 03 S Taurid Meteor Shower 05 16:09 Moon at Perigee: 361438 km 05 18:19 Aldebaran 0.8°S of Moon 09 17:58 Beehive 2.7°N of Moon 10 12:37 LAST QUARTER MOON 10 14:40 Moon at Ascending Node 11 08:07 Regulus 0.4°S of Moon 12 03 N Taurid Meteor Shower 12 09:50 Mercury 2.2°N of Antares 13 00 Venus 0.3°N of Jupiter 14 16:40 Mars 3.2°S of Moon 17 09 Leonid Meteor Shower 18 03:42 NEW MOON 20 16:34 Saturn 3.0°S of Moon 21 10:52 Moon at Apogee: 406132 km 23 16 Mercury at Greatest Elong: 22.0°E 25 00:22 Moon at Descending Node 26 09:03 FIRST QUARTER MOON 29 06:30 Mars 2.9°N of SpicaDec 03 05:00 Aldebaran 0.8°S of Moon 03 07:47 FULL MOON 04 00:42 Moon at Perigee: 357496 km 06 16 Mercury 1.3°S of Saturn 07 01:30 Beehive 2.5°N of Moon 07 16:39 Moon at Ascending Node 08 14:25 Regulus 0.7°S of Moon 09 23:51 LAST QUARTER MOON 12 04 Mercury at Perihelion 12 18 Mercury at Inferior Conjunction 13 08:27 Mars 4.2°S of Moon 13 22 Geminid Meteor Shower 14 06:26 Jupiter 4.2°S of Moon 17 22:31 NEW MOON 18 17:27 Moon at Apogee: 406605 km 21 08:29 Winter Solstice 21 12 Saturn in Conjunction with Sun 22 02:04 Moon at Descending Node 22 07 Ursid Meteor Shower 26 01:20 FIRST QUARTER MOON 30 16:25 Aldebaran 0.7°S of Moon | |||||||
Terms Used in Astronomical Events Calendar
- 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
- Beehive - bright star cluster in the constellation Cancer
Calendars of Astronomical Events: 2011 to 2020
The Americas
Below are links to calendars of astronomical events from 2011 to 2020 for seven time zones in the Americas.
Choose a time zone and click on a year to get a calendar of astronomical events for that year.
| Calendars of Astronomical Events - The Americas | |||||||||||||||
| AST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| EST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| CST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| MST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| PST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| AKST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
| HST | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |||||
- AST = Atlantic Standard Time (= GMT - 4 hours)
- EST = Eastern Standard Time (= GMT - 5 hours)
- CST = Central Standard Time (= GMT - 6 hours)
- MST = Mountain Standard Time (= GMT - 7 hours)
- PST = Pacific Standard Time (= GMT - 8 hours)
- AKST = Alaskan Standard Time (= GMT - 9 hours)
- HST = Hawaiian Standard Time (= GMT - 10 hours)
(where GMT = Greenwich Mean 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 Greenwich Mean Time to help in identification.
For other years and other time zones, visit: Calendars of Astronomical Events.