Today the Holy Church piously remembers the sufferings of the Holy Glorious and All-Praised Apostles Peter and Paul. 
First-enthroned of the apostles, / teachers of the universe: / Entreat the Master of all / to grant peace to the world, / and to our souls great mercy!

https://oca.org/saints/lives/2018/06/29/101840-the-holy-glorious-and-all-praised-leaders-of-the-apostles-peter