Important environmental information for growing here in Santa Clara county...
Astronomical Solstice/Equinox Dates
2019 Summer Solstice: Fri Jun 21 2019 08:53:44 GMT-0700 (PDT)
2019 Autumnal Equinox: Mon Sep 23 2019 00:49:29 GMT-0700 (PDT)
2019 Winter Solstice: Sat Dec 21 2019 20:18:56 GMT-0800 (PST)
2020 Vernal Equinox: Thu Mar 19 2020 20:49:35 GMT-0700 (PDT)
2020 Summer Solstice: Sat Jun 20 2020 14:43:02 GMT-0700 (PDT)
Meteorological Dates
First day of summer 2019: Sat Jun 01 2019
First day of fall 2019: Sun Sep 01 2019
First day of winter 2019: Sun Dec 01 2019
First day of spring 2020: Sun Mar 01 2020
First day of summer 2020: Mon Jun 01 2020
Sun Information
For today, Tuesday July 23 2019
Sunrise: 06:05:42
Sunset: 20:22:59
Transit: 13:14:21
Civil twilight begin: 05:36:15
Civil twilight end: 20:52:27
Nautical twilight begin: 04:59:57
Nautical twilight end: 21:28:44
Astronomical twilight begin: 04:20:17
Astronomical twilight end: 22:08:25
For tomorrow, Wednesday July 24 2019
Sunrise: 06:06:30
Sunset: 20:22:13
Transit: 13:14:22
Civil twilight begin: 05:37:07
Civil twilight end: 20:51:36
Nautical twilight begin: 05:00:57
Nautical twilight end: 21:27:46
Astronomical twilight begin: 04:21:29
Astronomical twilight end: 22:07:14
Frost Dates and Growing Period
First frost date (2019): Sun Dec 08 2019
Last frost date (2020): Mon Feb 10 2020
Number of days in the 2019 growing season: 314
Note that frost dates are derived from historical patterns.