Christian religious festivals and anniversaries 2013

This list is not exhaustive but lists some of the main dates in the Roman Catholic Church and the Church of England calendars. 

Epiphany 6 January. However, most Christians celebrate on the first Sunday after Epiphany. 
Candlemas 2 February
Shrove Tuesday 12 February
Ash Wednesday, which marks the beginning of the 40-day period of Lent 13 February
Palm Sunday 24 March
Annunciation 25 March
Maundy Thursday 28 March
Good Friday 29 March
Easter Sunday 31 March
Ascension Day 9 May (12 May for the Catholic Church)
Pentecost Sunday 19 May
Christmas Eve 24 December
Christmas Day 25 December
St Stephen's Day 26 December

Related quick reference items

Chinese religious festivals and anniversaries 2013
Hindu religious festivals and anniversaries 2013
Islamic religious festivals and anniversaries 2013
Jewish religious festivals and anniversaries 2013
Sikh religious festivals and anniversaries 2013