Penn State New Kensington will close at 5 p.m. Friday, Dec. 21, and reopen at 8 a.m. Wednesday, Jan. 2. The first day of classes for the spring semester is Monday, Jan. 7. The Art Gallery and the East Suburban Artists League exhibit will be open from noon to 5 p.m. through the holiday break except for Christmas Eve, Christmas Day, New Year's Eve and New Year's Day.