Believed to be special services may operate on certain days of the year. The variations are summarised in the following table.

Working Mons-Fris between 27 and 31 Dec inclusiveOther Public Holidays
Day Service operated
Christmas Eve (24 December) Saturday (sometimes Sunday) service
Christmas Day No service
Boxing Day (26 Dec) and 27 Dec if public holiday Sunday service but later start with first buses from X at XXXX and Y at YYYY - route Nmmm does not run beforehand
Special service (thought to be preceded by weeknight service)
New Year's Eve Saturday (sometimes Sunday) service but with service curtailed from WWWW to VVVV after TTTT
New Year's Day (1 Jan) and 2 Jan if public holiday Believed to be special service (timetable currently unavailable) with Sunday frequencies
Good Friday Saturday service
Sunday service

Use of commenting allows the following options:-

(i) Christmas Eve

(ii) Boxing Day

(iii) Working Mons-Fris between 27 and 31 Dec inclusive

(iv) New Year's Eve

(v) New Year's Day

and similarly for Good Fridays and Public Holidays but without any reference to the preceding night service.