Holy Spirit Day 2025 is observed on Monday, June 9. This major celebration in the Orthodox Church honors the Holy Spirit, the ...

The feast of the Holy Trinity, which is celebrated on the Sunday after Pentecost, was established for the whole Western Church in 1134 by pope John XII. The Angelic Trisagion is said for the three ...

The Feast is also seen as the culmination of the revelation of the Holy Trinity. The story of Pentecost is found in the book of The Acts of the Apostles. In Chapter two we are told that the Apostles ...