Grow Dates / Times

Important environmental information for growing here in Santa Clara county...

Astronomical Solstice/Equinox Dates

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)

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)

Meteorological Dates

First day of fall 2022: Thu Sep 01 2022

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

Sun Information

For today, Monday October 03 2022

Sunrise: 07:05:17

Sunset: 18:48:11

Transit: 12:56:44

Civil twilight begin: 06:39:20

Civil twilight end: 19:14:08

Nautical twilight begin: 06:09:07

Nautical twilight end: 19:44:21

Astronomical twilight begin: 05:38:44

Astronomical twilight end: 20:14:44

For tomorrow, Tuesday October 04 2022

Sunrise: 07:06:10

Sunset: 18:46:42

Transit: 12:56:26

Civil twilight begin: 06:40:12

Civil twilight end: 19:12:39

Nautical twilight begin: 06:10:00

Nautical twilight end: 19:42:52

Astronomical twilight begin: 05:39:38

Astronomical twilight end: 20:13:13

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 2022 growing season: 280

Note that frost dates are derived from historical patterns.