<P> § 2 . With the prior approval of the Apostolic See, however, the conference of bishops can suppress some of the holy days of obligation or transfer them to a Sunday . </P> <P> Placed in the order of the civil calendar, the ten days (apart from Sundays) that this canon mentions are: </P> <Ul> <Li> 1 January: Solemnity of Mary, the Holy Mother of God </Li> <Li> 6 January: Solemnity of the Epiphany of the Lord </Li> <Li> 19 March: Solemnity of Saint Joseph, Spouse of the Blessed Virgin Mary </Li> <Li> Thursday of the sixth week of Eastertide: Solemnity of the Ascension of the Lord </Li> <Li> Thursday after Trinity Sunday: Solemnity of the Most Holy Body and Blood of Christ </Li> <Li> 29 June: Solemnity of Saints Peter and Paul, Apostles </Li> <Li> 15 August: Solemnity of the Assumption of the Blessed Virgin Mary </Li> <Li> 1 November: Solemnity of All Saints </Li> <Li> 8 December: Solemnity of the Immaculate Conception of the Blessed Virgin Mary </Li> <Li> 25 December: Solemnity of the Nativity of the Lord (Christmas) </Li> </Ul> <Li> 1 January: Solemnity of Mary, the Holy Mother of God </Li>

What are all the catholic holy days of obligation
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