|Local Dates and Times of the Equinoxes and Solstices|
For Any Gregorian Year From 1600 to 2200 and Local Time Zone
PHP Program by Jay Tanner
Based on the NASA/JPL DE405 Ephemeris Model and the NASA Polynomials For Delta T
Dates and Local Standard Times of the Equinoxes and Solstices For Year 2023 Local Time Zone Offset UT-05:00 ============================================================================ Event Julian Date TT Date Time DoW Scale ================= ================ =========== ===== === ============ March Equinox 2460024.39310803 2023-Mar-20 21:26 Mon TT 2023-Mar-20 16:25 Mon Loc Std Time June Solstice 2460117.12427381 2023-Jun-21 14:59 Wed TT 2023-Jun-21 09:58 Wed Loc Std Time September Equinox 2460210.78539337 2023-Sep-23 06:51 Sat TT 2023-Sep-23 01:50 Sat Loc Std Time December Solstice 2460300.64478605 2023-Dec-22 03:29 Fri TT 2023-Dec-21 22:27 Thu Loc Std Time ============================================================================ NOTE: To adjust for daylight saving/summer time, add 1 hour to the local standard times being careful to watch for a possible change of date when doing so.
Jay Tanner - 2023