Great California Shake-Out Posted on August 31, 2022 by Michael GrcevichAugust 31, 2022 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: October 20, 2022 all-day 2022-10-20T00:00:00-07:00 2022-10-21T00:00:00-07:00