Holy Family Cathedral is the main cathedral of the Roman Catholic Diocese of Saint John's - Basseterre and is located in the city of St. John's on Antigua island, in Antigua and Barbuda.The cathedral was completed and opened in January 1987.BuildingThe cathedral was designed in the Modernist style. It is an octagon with a bell tower at the centre. On the tower there is a large cross, the largest external church cross in the country. There are also electronic synthesised bells which chime on the hour, before Mass and at the end of funerals.CatholicismThis cathedral holds the episcopal seat of the diocesan bishop Donald J. Reece.The cathedral is of post Vatican II Latin Rite, however on the feast of the Epiphany and the feast of the Assumption, Sunday Mass is celebrated according to the Byzantine Rite.