Events for January 2015

The following table gives the date and time of important astronomical events for January 2015. The time of each event is given in Greenwich Mean Time or GMT (a.k.a. Universal Time or UT). To convert GMT to Eastern Standard Time (EST) just subtract 5 hours. To convert GMT to other time zones, visit Time Zones. Some of the astronomical terms used in the calendar are explained in Definitions.

 Date    GMT   Astronomical Events for January 2015
------  -----  --------------------------------------------
        (h:m)
Jan 02  11:35  Aldebaran 1.4°S of Moon
Jan 04  02     Quadrantid Meteor Shower
Jan 04  06     Earth at Perihelion: 0.98328 AU
Jan 05  04:53  FULL MOON 
Jan 08  08:16  Jupiter 5.1°N of Moon
Jan 09  01:34  Regulus 4.1°N of Moon
Jan 09  18:17  Moon at Apogee: 405411 km
Jan 11  01     Mercury 0.6° of Venus
Jan 12  15:33  Moon at Ascending Node 
Jan 13  09:27  Spica 3.1°S of Moon
Jan 13  09:47  LAST QUARTER MOON 
Jan 14  20     Mercury at Greatest Elongation: 18.9°E
Jan 16  11:52  Saturn 1.9°S of Moon
Jan 20  13:14  NEW MOON 
Jan 21  17:39  Mercury 3.0°S of Moon
Jan 21  20:06  Moon at Perigee: 359643 km
Jan 21  21     Mercury at Perihelion 
Jan 22  05:01  Venus 5.6°S of Moon
Jan 23  04:40  Mars 3.9°S of Moon
Jan 25  10:23  Moon at Descending Node 
Jan 27  04:48  FIRST QUARTER MOON 
Jan 29  17:07  Aldebaran 1.2°S of Moon
Jan 30  14     Mercury at Inferior Conjunction 

As the events above transpire, I will post photographs of some of them at Recent Images.

Astronomical events calendars for complete years and for eight time zones are available through the links below.

Time Zones Calendars of Astronomical Events
Greenwich Mean Time 2015 2016 2017 2018 2019 2020
Atlantic Standard Time 2015 2016 2017 2018 2019 2020
Eastern Standard Time 2015 2016 2017 2018 2019 2020
Central Standard Time 2015 2016 2017 2018 2019 2020
Mountain Standard Time 2015 2016 2017 2018 2019 2020
Pacific Standard Time 2015 2016 2017 2018 2019 2020
Alaska Standard Time 2015 2016 2017 2018 2019 2020
Hawaii Standard Time 2015 2016 2017 2018 2019 2020

For additional years, see Calendars of Astronomical Events.

For detailed information on solar and lunar eclipses this year, see: Eclipses During 2015.

The Calendars of Astronomical Events were all generated by a computer program I wrote (with THINK Pascal running on a Macintosh G4) using Astronomical Algorithms (Jean Meeus).

Fred Espenak



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