Important environmental information for growing here in Santa Clara county...
Astronomical Solstice/Equinox Dates
2022 Winter Solstice: Wed Dec 21 2022 13:47:33 GMT-0800 (PST)
2023 Vernal Equinox: Mon Mar 20 2023 14:24:14 GMT-0700 (PDT)
2023 Summer Solstice: Wed Jun 21 2023 07:57:11 GMT-0700 (PDT)
2023 Autumnal Equinox: Fri Sep 22 2023 23:49:36 GMT-0700 (PDT)
2023 Winter Solstice: Thu Dec 21 2023 19:27:06 GMT-0800 (PST)
Meteorological Dates
First day of winter 2022: Thu Dec 01 2022
First day of spring 2023: Wed Mar 01 2023
First day of summer 2023: Thu Jun 01 2023
First day of fall 2023: Fri Sep 01 2023
First day of winter 2023: Fri Dec 01 2023
Sun Information
For today, Sunday January 29 2023
Sunrise: 07:13:08
Sunset: 17:28:44
Transit: 12:20:56
Civil twilight begin: 06:45:35
Civil twilight end: 17:56:17
Nautical twilight begin: 06:14:14
Nautical twilight end: 18:27:38
Astronomical twilight begin: 05:43:26
Astronomical twilight end: 18:58:25
For tomorrow, Monday January 30 2023
Sunrise: 07:12:22
Sunset: 17:29:50
Transit: 12:21:06
Civil twilight begin: 06:44:52
Civil twilight end: 17:57:19
Nautical twilight begin: 06:13:34
Nautical twilight end: 18:28:37
Astronomical twilight begin: 05:42:49
Astronomical twilight end: 18:59:22
Frost Dates and Growing Period
First frost date (2022): Fri Dec 02 2022
Last frost date (2023): Mon Feb 27 2023
Number of days in the 2023 growing season: 284
Note that frost dates are derived from historical patterns.