Grow Dates / Times

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

Astronomical Solstice/Equinox Dates

2023Winter Solstice: Thu Dec 21 2023 19:27:06 GMT-0800 (PST)

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

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

2024Autumnal Equinox: Sun Sep 22 2024 05:43:12 GMT-0700 (PDT)

2024Winter Solstice: Sat Dec 21 2024 01:19:54 GMT-0800 (PST)

Meteorological Dates

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

First day of fall 2024: Sun Sep 01 2024

First day of winter 2024: Sun Dec 01 2024

Sun Information

For today, Saturday December 02 2023

Sunrise: 07:04:15

Sunset: 16:50:14

Transit: 11:57:15

Civil twilight begin: 06:35:36

Civil twilight end: 17:18:53

Nautical twilight begin: 06:03:17

Nautical twilight end: 17:51:12

Astronomical twilight begin: 05:31:47

Astronomical twilight end: 18:22:42

For tomorrow, Sunday December 03 2023

Sunrise: 07:05:10

Sunset: 16:50:06

Transit: 11:57:38

Civil twilight begin: 06:36:28

Civil twilight end: 17:18:48

Nautical twilight begin: 06:04:06

Nautical twilight end: 17:51:09

Astronomical twilight begin: 05:32:35

Astronomical twilight end: 18:22:41

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.