Important environmental information for growing here in Santa Clara county...
Astronomical Solstice/Equinox Dates
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)
2021 Autumnal Equinox: Wed Sep 22 2021 12:20:30 GMT-0700 (PDT)
Meteorological Dates
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
First day of summer 2021: Tue Jun 01 2021
Sun Information
For today, Monday August 10 2020
Sunrise: 06:21:13
Sunset: 20:04:39
Transit: 13:12:56
Civil twilight begin: 05:53:16
Civil twilight end: 20:32:36
Nautical twilight begin: 05:19:25
Nautical twilight end: 21:06:26
Astronomical twilight begin: 04:43:27
Astronomical twilight end: 21:42:25
For tomorrow, Tuesday August 11 2020
Sunrise: 06:22:04
Sunset: 20:03:27
Transit: 13:12:45
Civil twilight begin: 05:54:11
Civil twilight end: 20:31:19
Nautical twilight begin: 05:20:28
Nautical twilight end: 21:05:03
Astronomical twilight begin: 04:44:41
Astronomical twilight end: 21:40:50
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.