Important environmental information for growing here in Santa Clara county...
Astronomical Solstice/Equinox Dates
2020 Summer Solstice: Sat Jun 20 2020 14:43:02 GMT-0700 (PDT)
2020 Autumnal Equinox: Tue Sep 22 2020 06:30:27 GMT-0700 (PDT)
2020 Winter Solstice: Mon Dec 21 2020 02:02:26 GMT-0800 (PST)
2021 Vernal Equinox: Sat Mar 20 2021 02:37:05 GMT-0700 (PDT)
2021 Summer Solstice: Sun Jun 20 2021 20:31:32 GMT-0700 (PDT)
Meteorological Dates
First day of spring 2020: Sun Mar 01 2020
First day of summer 2020: Mon Jun 01 2020
First day of fall 2020: Tue Sep 01 2020
First day of winter 2020: Tue Dec 01 2020
First day of spring 2021: Mon Mar 01 2021
Sun Information
For today, Thursday May 28 2020
Sunrise: 05:49:34
Sunset: 20:21:04
Transit: 13:05:19
Civil twilight begin: 05:19:20
Civil twilight end: 20:51:18
Nautical twilight begin: 04:41:47
Nautical twilight end: 21:28:51
Astronomical twilight begin: 04:00:04
Astronomical twilight end: 22:10:33
For tomorrow, Friday May 29 2020
Sunrise: 05:49:09
Sunset: 20:21:46
Transit: 13:05:27
Civil twilight begin: 05:18:51
Civil twilight end: 20:52:03
Nautical twilight begin: 04:41:12
Nautical twilight end: 21:29:43
Astronomical twilight begin: 03:59:19
Astronomical twilight end: 22:11:35
Frost Dates and Growing Period
First frost date (2020): Tue Dec 15 2020
Last frost date (2021): Fri Feb 26 2021
Number of days in the 2020 growing season: 309
Note that frost dates are derived from historical patterns.