Day is a town in Saratoga County, New York, United States.

The town is in the northwestern part of the county and is northeast of Amsterdam.

Some of the historic buildings were saved by moving them to higher ground, while others are now under the surface of the lake.

The David Rayfiel House was listed on the National Register of Historic Places in 2009.

As of the census of 2000, there were 920 people, 382 households, and 275 families residing in the town.

23.6% of all households were made up of individuals, and 10.2% had someone living alone who was 65 years of age or older.