Greenfield — As a result of city budget cuts, the public library will close for six employee furlough days and will be open three fewer hours per week in 2010.The expected saving in salary is $34,000, Library Director Sheila O'Brien said.The 2010 closure days are Feb. 15, June 8, Aug. 10, Oct. 11, Nov. 24 and Dec. 23. In 2009, the library was closed for three employee furlough days.