Grow Dates / Times

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.