Grow Dates / Times

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

Astronomical Solstice/Equinox Dates

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)

2024 Vernal Equinox: Tue Mar 19 2024 20:06:04 GMT-0700 (PDT)

2024 Summer Solstice: Thu Jun 20 2024 13:50:23 GMT-0700 (PDT)

Meteorological Dates

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

First day of spring 2024: Fri Mar 01 2024

First day of summer 2024: Sat Jun 01 2024

Sun Information

For today, Wednesday June 07 2023

Sunrise: 05:47:01

Sunset: 20:26:25

Transit: 13:06:43

Civil twilight begin: 05:16:20

Civil twilight end: 20:57:06

Nautical twilight begin: 04:38:00

Nautical twilight end: 21:35:26

Astronomical twilight begin: 03:55:01

Astronomical twilight end: 22:18:25

For tomorrow, Thursday June 08 2023

Sunrise: 05:46:52

Sunset: 20:26:57

Transit: 13:06:55

Civil twilight begin: 05:16:08

Civil twilight end: 20:57:41

Nautical twilight begin: 04:37:44

Nautical twilight end: 21:36:06

Astronomical twilight begin: 03:54:37

Astronomical twilight end: 22:19:12

Frost Dates and Growing Period

First frost date (2023): Fri Dec 08 2023

Last frost date (2024): Sun Feb 25 2024

Number of days in the 2023 growing season: 284

Note that frost dates are derived from historical patterns.