The following saints are memorialized on April 28:
Acacius of Prusa
Adalbero of Augsburg
Adaldag of Bremen-Hamburg
Agapius of Languedoc
Aphrodisius of Languedoc
Arduin of Gallinaro
Artemius of Sens
Bernhard of Gallinaro
Caralippus of Languedoc
Cercira of Korfu
Cronan of Roscrea
Cyril of Turov
Didymus
Eusebius of Languedoc
Fulk of Gallinaro
Gerard of Bourgogne
Gerard of Galinaro
Gianna Beretta Molla
John Baptist Thanh
Joseph Cebula
Louis Marie Grignion de Monfort
Luchesius
Mark of Galilee
Menander of Prusa
Pamphilus of Sulmona
Patrick of Prusa
Peter Chanel
Peter Hieu
Peter of Thionville
Pollio
Polyaenus of Prusa
Prudentius of Tarazona
Theodora
Valeria of Milan
Vitalis of Milan
Originally, the feast date of Thomas Aquinas was on March 7, the day he entered heaven. It is unknown to me the reason for the change. You need to know that there are thousands and thousands of saints and each one has a specific feast day. That means that, on any given day, there may be dozens of saints who are celebrated that same day.
Feast day August 28
There is no St. Irene with a feast day of June 28. However, Saint Irenaeus of Lyons has his feast that day.
The feast day of Saint Augustine of Hippo is August 28.
His feast day is September 28.
The feast day for St. Augustine of Hippo is August 28.
The feast day for St. Augustine of Hippo is August 28.
January 28 is the feast of Saint Thomas Aquinas.
October 28 is the feast of St. Jude.
Yes, the feast day of Saint Simon the Apostle is on October 28. He shares the day with Saint Jude Thaddeus.
With the majority of saints, particularly very ancient saints, there is no record of the birth dates. The only date that is recorded is the feast day of the saint which may be the anniversary of the death of the person when the person was reborn into heaven. Therefore, this question can not be answered.
The feast St. Jude Thaddeus is October 28.