Dates and Times of the Equinoxes and Solstices
For Any Date and Time Within the Range From 1600 to 2200


Based on the NASA/JPL DE405 Ephemeris Model and the NASA Polynomials For Delta T
Gregorian Year (1600 to 2200) =       Local Standard Time = UTC :   
Dates and Local Standard Times of the Equinoxes and Solstices For Year 2016
In Local Time Zone UTC-05:00

March Equinox     = 2457467.68878561 = 2016 Mar 20 04:31:51 Sun  TT
                                     = 2016 Mar 19 23:30:41 Sat  Local Time

June Solstice     = 2457560.44118046 = 2016 Jun 20 22:35:18 Mon  TT
                                     = 2016 Jun 20 17:34:08 Mon  Local Time

September Equinox = 2457654.09860265 = 2016 Sep 22 14:21:59 Thu  TT
                                     = 2016 Sep 22 09:20:49 Thu  Local Time

December Solstice = 2457743.94812217 = 2016 Dec 21 10:45:18 Wed  TT
                                     = 2016 Dec 21 05:44:08 Wed  Local Time


NOTE:
To adjust for daylight saving/summer time, add 1 hour to computed local time.


Jay Tanner - 2016