Knights of Columbus Holy Thursday Night Vigil The Knights of Columbus are pleased to announce the re-establishment of their overnight vigil of the Blessed Sacrament at the Altar of Repose in the small chapel of St. Patrick’s Cathedral on Holy Thursday evening, April 17th commencing at 9 pm and ending the following morning at 7 am. Cathedral parishioners and members of the Catholic community are welcome to join us during these hours for a time of personal reflection and prayer. Please use the Donald Street or elevator door entrance.