Important environmental information for growing here in Santa Clara county...
Astronomical Solstice/Equinox Dates
2021 Winter Solstice: Tue Dec 21 2021 07:58:54 GMT-0800 (PST)
2022 Vernal Equinox: Sun Mar 20 2022 08:32:53 GMT-0700 (PDT)
2022 Summer Solstice: Tue Jun 21 2022 02:13:18 GMT-0700 (PDT)
2022 Autumnal Equinox: Thu Sep 22 2022 18:03:41 GMT-0700 (PDT)
2022 Winter Solstice: Wed Dec 21 2022 13:47:33 GMT-0800 (PST)
Meteorological Dates
First day of winter 2021: Wed Dec 01 2021
First day of spring 2022: Tue Mar 01 2022
First day of summer 2022: Wed Jun 01 2022
First day of fall 2022: Thu Sep 01 2022
First day of winter 2022: Thu Dec 01 2022
Sun Information
For today, Wednesday January 26 2022
Sunrise: 07:15:07
Sunset: 17:25:42
Transit: 12:20:25
Civil twilight begin: 06:47:24
Civil twilight end: 17:53:25
Nautical twilight begin: 06:15:54
Nautical twilight end: 18:24:55
Astronomical twilight begin: 05:45:01
Astronomical twilight end: 18:55:48
For tomorrow, Thursday January 27 2022
Sunrise: 07:14:25
Sunset: 17:26:48
Transit: 12:20:37
Civil twilight begin: 06:46:46
Civil twilight end: 17:54:27
Nautical twilight begin: 06:15:19
Nautical twilight end: 18:25:54
Astronomical twilight begin: 05:44:28
Astronomical twilight end: 18:56:45
Frost Dates and Growing Period
First frost date (2021): Wed Dec 15 2021
Last frost date (2022): Fri Feb 25 2022
Number of days in the 2022 growing season: 280
Note that frost dates are derived from historical patterns.