| Mar 7 | Sun | Lang Ranch Trailhead Outreach - 8am - 11am |
| |
| Mar 10 | Wed | COSCA Board Meeting - Cancelled |
| |
| Mar 14 | Sun | Daylight Savings begins |
| |
| Mar 17 | Wed | St. Patrick's Day |
| |
| Mar 20 | Sat | Spring Equinox - 10:32 am PDT |
| |
| Mar 27 | Sat | Spring Trail Work Day - 8am - 2pm |
| |
| Apr 1 | Thu | April Fool's Day |
| |
| Apr 4 | Sun | Easter |
| |
| Apr 5 | Mon | COSTAC Meeting - 6:30 pm |
| |
| Apr 18 | Sun | Los Robles Trailhead Outreach - 8am - 11am |
| |
| Apr 24 | Sat | Arbor/Earth Day (Conejo Creek North Park) - 11am - 4pm |
| |
| Apr 26 | Mon | Trail's Education Days |
| |
| Apr 27 | Tue | Trail's Education Days |
| |
| Apr 28 | Wed | Trail's Education Days |
| |
| Apr 29 | Thu | Trail's Education Days |
| |
| Apr 30 | Fri | Trail's Education Days |
| |
| May 3 | Mon | COSTAC Meeting - 6:30 pm |
| |
| May 9 | Sun | Mother's Day |
| |
| May 12 | Wed | COSCA Board Meeting - 6:30 pm |
| |
| May 15 | Sat | Armed Forces Day |
| |
| May 31 | Mon | Memorial Day |
| |
| Jun 7 | Mon | COSTAC Meeting - 6:30 pm |
| |
| Jun 14 | Mon | Flag Day |
| |
| Jun 20 | Sun | Father's Day |
| |
| Jun 21 | Mon | Summer Solstice - 4:28 pm PDT |
| |
| Jun 27 | Sun | Wildwood Trailhead Outreach - 8am - 11am |
| |
| Jul 4 | Sun | Independence Day |
| |
| Jul 12 | Mon | COSTAC Meeting - 6:30 pm |
| |
| Jul 14 | Wed | COSCA Board Meeting - 6:30 pm |
| |
| Aug 2 | Mon | COSTAC Meeting - 6:30 pm |
| |
| Aug 28 | Sat | Lang Ranch Trailhead Outreach - 8am - 1pm |
| |
| Sep 6 | Mon | Labor Day |
| |
| Sep 8 | Wed | COSCA Board Meeting - 6:30 pm |
| |
| Sep 13 | Mon | COSTAC Meeting - 6:30 pm |
| |
| Sep 22 | Wed | Autumn Equinox - 8:09 pm PDT |
| |
| Oct 2 | Sat | Los Robles Trailhead Outreach - 8am - 11am |
| |
| Oct 4 | Mon | COSTAC Meeting - 6:30 pm |
| |
| Oct 11 | Mon | Columbus Day |
| |
| Oct 16 | Sat | Trail Work Day - 8am - 1pm |
| |
| Oct 23 | Sat | Trail Work Day (rain date) |
| |
| Oct 31 | Sun | Halloween |
| |
| Nov 1 | Mon | COSTAC Meeting - 6:30 pm |
| |
| Nov 7 | Sun | Daylight Savings ends |
| |
| Nov 10 | Wed | COSCA Board Meeting - 6:30 pm |
| |
| Nov 11 | Thu | Veteran's Day |
| |
| Nov 25 | Thu | Thanksgiving Day |
| |
| Dec 3 | Fri | COSTAC Holiday Party - 6:30 pm |
| |
| Dec 21 | Tue | Winter Solstice - 3:38 pm PST |
| |
| Dec 25 | Tue | Christmas |
| |
| | | |