Here is a handy list.
Town government buildings such as Town Hall and the Winchester Public Library and their services will be closed on Christmas Eve and Christmas Day. This includes all schools and the post office. All salons and spas in town will be closed, as will all banks and gyms. The MBTA commuter rail schedule will be operating on a Sunday schedule with the first train into the city at 7 a.m. and the last train leaving the city at 11:30 p.m. with trains leaving in one hour intervals in-between. After 8 p.m. on Christmas Eve, all fares are free of charge. Christmas Day: