Pentecost Monday, also known as Whit Monday, is the day following Pentecost Sunday, celebrated by Christians to continue the commemoration of the descent of the Holy Spirit upon the Apostles. It is recognized in many parts of the world.

Orthodox Pentecost Monday is part of the Afterfeast of Pentecost, continuing the celebration of the descent of the Holy Spirit upon the Apostles. It is a day of significant liturgical and cultural importance in Eastern Orthodoxy, marked by prayers, traditions and community gatherings that honor the work of the Holy Spirit and the revelation of the Holy Trinity.