The celebration of the nativity of John the Baptist is the oldest liturgical feast day in all Christendom. The occasion is celebrated three months after the Annunciation, on March 25. This year, Nativity of the Forerunner falls on Friday, June 24. 🙏🏻 Nativity of John The Baptist 2022: Date, History, Liturgical Celebration And Significance of Observing The Christian Feast Day.