Calendar

Today, May 25

Baby/Toddler Playgroup: 9:30 a.m. For ages infant to 5 years old, Athens Cultural Center, 24 Second St., Athens. Children must be accompanied by parent, grandparents or caregiver. (518) 945-2580 or lesliecreed@hotmail.com.

Class: 9:30 to 11 a.m. Mixed level Vinyasa, Anne Robinson. Marbletown Multi-Arts, 3588 Main St., Stone Ridge. (845) 687-6090.

Happy Apple Thrift Shop:

10 a.m. 24 E. O’Reilly St., Kingston. To 3 p.m. (845) 338-0833.

Fairly New Thrift Shop: 10 a.m. to 4 p.m. 58 Pearl St., Kingston. (845) 481-4171.

Under Threes Storytime:

10 a.m. For children birth-35 months with a caregiver. Ellenville Public Library & Museum, 40 Center St., Ellenville. Sign up at (845) 647-5530.

Yoga: 10:15 to 11:45 a.m. Mountainview Studio, 20 Mountainview Ave., Woodstock. Mixed level class. Yang Yin Yoga. Classes are $15 with the first class free. 845679-0901.

Toddler storytime: 10:30 a.m. For children 12-36 months, Ellenville Public Library and Museum, 40 Center St., Ellenville. (845) 647-3350.

Story Time: 10:30 a.m. Preschool story time. Early literacy activities and stories for children ages 3-5. Ellenville Public Library & Museum, 40 Center St., Ellenville. (845) 647-3350.

Musical storytime: 10:30 a.m. 1- to 3-years-old, Saugerties Public Library, 91 Washington Ave., Saugerties. (845) 246-4317.

Storytime: 11 a.m. or 2 p.m. For children ages 4-5. Highland Public Library, 30 Church St., Highland. (845) 691-2275.

Happy Paws Thrift Store: 11 a.m. to 5 p.m. 282 Main St., Saugerties. Proceeds benefit the Ulster County SPCA.

Canasta Players: 12 p.m. Gardiner Public Library, 133 Farmer’s Turnpike, Gardiner. (845) 255-1255.

Blood Drive: 12 to 5 p.m. Moose Lodge 904, 1273 Route 9G, Hyde Park.

Blood Drive: 12 to 5 p.m. Taconic Crossing, 1351 Route 55, Lagrangeville.

Thrift Store: 12-4 p.m. Margaretville Hospital Auxiliary Thrift Shop, 850 Main St., Margaretville.

Blood Drive: 1 to 6 p.m. Saugerties Knights of Columbus Council 4536, 19 Barclay St., Saugerties.

Blood Drive: 2:30 to 7:30 p.m.

Clinton Alliance Church Youth Center, 1192 Centre Road, Rhinebeck.

Teen Book Group: 3 p.m. Stone Ridge Library, Main Street, Stone Ridge. (845) 687-2044.

Free tutoring by appointment: 3 to 6 p.m. Homework clubs and after-school kid sitters. Empowering Ellenville, 159 Canal St., Ellenville. (877) 576-9931.

LEGO Club: 4:15 p.m. For children ages 5 and up. Ellenville Public Library & Museum, 40 Center St., Ellenville. (845) 647-5530.

Libratory: 4:30 p.m. An exciting, hand-on opportunity for children to participate in STEM learning in a fun, informal environment. Red Hook Public Library, 7444 South Broadway, Red Hook. (845) 876-3241, www.redhooklibrary.org.

Theatre: 7 p.m. William Shakespeare’s political drama “Julius Caesar.” Also Saturday at 7 p.m. and Sunday at 5 p.m. Byrdcliffe Theatre, 380 Byrdfcliffe Road, Woodstock. Suggested donation at the door $12. (845) 657-5867 for reservations.

Event: 7 p.m. 15th Annual USO Show (preregistration is required). Patterned after the WWII-era shows put on to entertain American troops serving around the globe, this year’s show will feature two hours of entertainment, including live Big Band music from the 1930s and 40s. FDR Presidential Library and home, The Franklin D. Roosevelt Presidential Library and Museum, 4079 Albany Post Road, Hyde Park. 845=4867745. Limited seating. www. fdrlibrary.org to register.

Live Music: 8 p.m. The Marc Black Band. Colony Woodstock, 22 Rock City Road, Woodstock. Tickets $15 and $20. Reserved seating $25. Colonywoodstock.com.

Live Music: 8 p.m. Songs for Petra presents the music of renowned composer John Zorn and the lyrics of Grammy Award winner Jesse Harris. Jazz at the Falcon, 1348 Route 9W, Marlboro. (845) 236-7970, www.liveatthefalcon.com.

Saturday, May 26 (to 10 a.m.)

Rail Explorers: Catskill Division. Discover the rails that run alongside the Esopus creek. Eight-mile round trip with electric pedal assistance. Tickets online. Phoenicia Depot, 70 Lower High St., Phoenicia.

(877) net/book/catskills-ny. 833-8588, railexplorers. May 26 through Sept. 7.

Library, Gentle Yoga: 4033 Route 9 a.m. 28A, Olive West Free Shokan. (845) 657-2482. Fee $6 drop-in or $48 for 12-week session.

Thrift Store: 9 a.m. to 12 p.m. Church of the Comforter Church, Wynkoop Place, Kingston (off Foxhall Avenue)

Flea Market: 9 a.m. to 2 p.m. Benefit Saugerties Animal Shelter, Saugerties Transfer Station, 1765 Route 212, Saugerties.

Annual Plant Sale: 9 a.m. to 4 p.m. F.W. Vanderbilt Garden Association’s Annual Plant Sale. Today, May 27 and 28. Vanderbilt Mansion National Historic Site’s parking lot, 119 Vanderbilt Park Road, Hyde Park. Rain or shine.

Annual Book Sale: 9:30 a.m. to 2 p.m. and Monday, May 28, 9 a.m. to 1 p.m. Pine Plains Free Library, second floor, Pine Plains. Paperbacks 50 cents, hardcover $1.

Holy Cross Thrift Shop: 9 a.m. Holy Cross Church, 30 Pine Grove Ave., Kingston. To 12 p.m. (845) 331-6796.

Fairly New Thrift Shop: 10 a.m. to 4 p.m. 58 Pearl St., Kingston. (845) 481-4171.

Teen Geek Squad: 10 a.m. to 2 p.m. Available to answer tech questions at the Red Hook Public Library, 7444 South Broadway, Red Hook. (845) 758-3241, redhooklibrary.org.

Hudson Valley Farmers Market: 10 a.m. to 3 p.m., Fresh and local. Every Saturday year-round. Creig Farm, Pitcher Lane, Red Hook.

Community Qigong: 10 a.m., Starr Library, 68 W. Market St., Rhinebeck, (845) 876-4030, starrlibrary.org.

Workshop: 10 a.m. to 12 p.m. Kids Club Flamingo Crafts. Ages 3+ $2 per project, supplies included. Michaels, Ulster Avenue, town of Ulster.

Workshop: 10 a.m. to 12 p.m. Ages 6+, $5 per project, supplies included. Michaels, Ulster Ave., town of Ulster.

Street Fair: 10 a.m. to 3 p.m. Petting zoo, book sale, plant sale, games, bike helmet giveaway, bake sale. Saugerties Public Library, 94 Washington Ave., Saugerties.

Art and Craft Fair: 10 a.m. to 5:30 p.m. 37th Anniversary year, Woodstock-New Paltz Art & Crafts Fair. Over 200 Artists and craftspeople from across America. Saturday and Sunday from 10 a.m. to 5:30 p.m., Monday from 10 a.m. to 4 p.m. Ulster County Fairgrounds, 249 Libertyville Road, New Paltz. (845) 679-8087 or (845) 246-3414, quailhollow.com.