Yosemite Chamber of Commerce mixer, 5:30 p.m., United Mortgage Specialists, 962-0429, www.groveland.org.
Groveland-Big Oak Flat area draft community plan workshop, 6 p.m., Groveland Community Hall.
Tuolumne County Citizens for Peace, 6 p.m., Peace Vigil, Courthouse Square, Sonora, 533-3516.
Willow Springs Homeowners Association, 6:30 p.m., Willow Springs Clubhouse, 20522 Willow Springs Drive.
People for Healthy Forests, 7 p.m., Tuolumne Utilities District, 18885 Nugget Blvd., off Tuolumne Road.
Story Time, 10:30 a.m., Starbucks, 133 Old Wards Ferry Road, Sonora, 536-1779.
Preschool Story Hour, "Stories with Grandma," 11 a.m., Tuolumne branch library, 18636 Main St., Tuolumne, 928-3612.
Twain Harte Village Certified Farmers Market, 4 to 6 p.m., Eproson Park, Twain Harte, 586-3636, 586-4482.
Movies in the Pines, "The Three Stooges Go Round the World," sponsored by the Twain Harte Area Chamber of Commerce, dusk, Eproson Park, Twain Harte, 586-4482.
Mountain Growers Farmers Markets, 4 p.m. to dusk, Vina Moda Winery, French Gulch and Main Street, Murphys, 728-9112.
Calaveras County Historical Society, 6 p.m., call for meeting location, 754-1058.
Blue Mountain Community Renewal Council, 6:30 p.m., Veterans Memorial Building, West Point, 293-7160.
Calaveras County Fire Districts Association, 6:30 p.m., supervisors' chambers, Government Center, 891 Mountain Ranch Road, San Andreas, 754-6639.
Fresh Friday farmers market, 5 p.m. to dusk, Utica Park, Angels Camp, 736-1333. Presented by Angels Camp Business Association.
(For arts and entertainment listings, see Weekend Thursdays. The Union Democrat Calendar attempts to list all non-commercial events of public interest in the Tuolumne and Calaveras county areas. Contributions are welcome. Call The Union Democrat, 588-4541, visit the office, 84 S. Washington St., Sonora, or e-mail us at: email@example.com.)