First has announced the timetable for the 51 bus route over Christmas and new year.
It includes special Boxing day and New Year’s day timetables.
Full details are on the First South Yorkshire website:
Christmas and new year First bus services (2014-15) in South Yorkshire
Crosspool News - crosspool.info 
Dear Ian and Keith,
The Rivelin book and the Crosspool calendar arrived this morning Wednesday Christmas Eve.
Thank you very much indeed.
Merry Christmas and a Happy New Year.
Swiss Ron (Anglo Swiss Engiadina called Tew Gosney) from Walkley.