 Greenwich Library and libraries in Greenwich will be closed on Thursday for the 4th of July holiday. However, you can still check out the digital library for e-books, audio books, music streaming, movie and TV streaming, digital magazines and newspapers, and language learning opportunities. And then on Friday, summer hours begin at the main library Friday, July 5th through Friday, August 30th. The main library will close at 5 p.m. on Fridays.