Grow Dates / Times

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.