There are, perhaps, over a hundred saints named John. Which one are you referring to?
June 24th is the feast of John the Baptist.
The feast of John the Baptist is June 24.
January 31 is the feast of Saint John Bosco.
January 5 is the feast of St. John Neumann.
The feast of the Nativity of John the Baptist is June 24.
December 27 is the feast day of Saint John the Apostle.
St. John Eudes' feast day is August 19
The feast day of Pope Saint John Paul II is on October 22.
There are more than a hundred saints named John and each one has a feast day.
Pope John I has only begun the sainthood process and does not yet have a feast day.
The feast of St. John the Apostle and Evangelist is on December 27 in the Roman Catholic Chruch.
October 22 is his feast day.