Grow Dates / Times

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

Astronomical Solstice/Equinox Dates

2020 Summer Solstice: Sat Jun 20 2020 14:43:02 GMT-0700 (PDT)

2020 Autumnal Equinox: Tue Sep 22 2020 06:30:27 GMT-0700 (PDT)

2020 Winter Solstice: Mon Dec 21 2020 02:02:26 GMT-0800 (PST)

2021 Vernal Equinox: Sat Mar 20 2021 02:37:05 GMT-0700 (PDT)

2021 Summer Solstice: Sun Jun 20 2021 20:31:32 GMT-0700 (PDT)

Meteorological Dates

First day of spring 2020: Sun Mar 01 2020

First day of summer 2020: Mon Jun 01 2020

First day of fall 2020: Tue Sep 01 2020

First day of winter 2020: Tue Dec 01 2020

First day of spring 2021: Mon Mar 01 2021

Sun Information

For today, Thursday May 28 2020

Sunrise: 05:49:34

Sunset: 20:21:04

Transit: 13:05:19

Civil twilight begin: 05:19:20

Civil twilight end: 20:51:18

Nautical twilight begin: 04:41:47

Nautical twilight end: 21:28:51

Astronomical twilight begin: 04:00:04

Astronomical twilight end: 22:10:33

For tomorrow, Friday May 29 2020

Sunrise: 05:49:09

Sunset: 20:21:46

Transit: 13:05:27

Civil twilight begin: 05:18:51

Civil twilight end: 20:52:03

Nautical twilight begin: 04:41:12

Nautical twilight end: 21:29:43

Astronomical twilight begin: 03:59:19

Astronomical twilight end: 22:11:35

Frost Dates and Growing Period

First frost date (2020): Tue Dec 15 2020

Last frost date (2021): Fri Feb 26 2021

Number of days in the 2020 growing season: 309

Note that frost dates are derived from historical patterns.