9 a.m. to 1 p.m. Opening Day for the Hudson Farmers' Market at Sixth and Columbia streets
9:30 a.m. to 2 p.m. Tag Sale to benefit the Hudson River Historic Boat Restoration & Sailing Society and the historic Hudson River sloop Eleanor, at the Greenport Pumper Station No. 1, on Route 23B just beyond the Hudson city limits
10 a.m. to 3 p.m. The Sixth Annual Hudson Children's Book Festival at the Hudson Junior/Senior High School, 215 Harry Howard Avenue
11 a.m. Hudson Area Library Capital Campaign Sign Raising Ceremony, 400 State Street. The sign being erected is a "progress sign" that will keep a running tally of funds raised to defray the costs of the interior of the new library being created in the drill hall of the Hudson Armory, soon to be known as the Galvan Community Center
Noon to 4 p.m. The Fourth Annual Ramp Fest at Basilica Hudson, 110 South Front StreetFrom now on, it's impossible to do it all. You have to make choices.
5 p.m. Cocktails at the Hudson Opera House--a prelude to the Spring Fling Gala
5 to 7 p.m. Eventide: An Evening of Poetry and Music with poet Eric Keenaghan and musician-composer Jeff Lependorf , at the Columbia County Council on the Arts, 209 Warren Street
6 to 8 p.m. The opening reception for the exhibition of Meditations on Spring, Rosalind Shaffer's new collection of ceramic works, and Elisions, works by Tony Thompson in disparate media, at McDaris Fine Art, 623 Warren Street
6 to 8 p.m. A Group Show at 21 Park Place, the ersatz "new McDonald's"
7 p.m. The Spring Fling Gala Dinner at the Hudson Opera HouseTo quote Luisa in The Fantasticks, "Whee! I'm exhausted."