The following are the Holy Days and Feasts occurring during Ordinary Time.
The Conversion of St Paul, Apostle Feast January 25
The Presentation of the Lord February 2
The Most Holy Trinity (Solemnity)
Corpus Christi (Solemnity)
The Most Sacred Heart of Jesus (Solemnity) June 8 For 2018: Occurs on Friday of Week 9 in Ordinary Time
The Birthday of St John the Baptist (Solemnity) June 24 For 2018: 12th Sunday in Ordinary Time
Saint Peter and Paul, Apostles (Solemnity) June 29 For 2018: Friday of Week 12 in Ordinary Time
Saint Thomas Apostle (Feast) July 3rd
Saint James Apostle (Feast) July 25
The Transfiguration of the Lord (Feast) August 6
Saint Laurent Deacon and Martyr (Feast) August 10
The Assumption of the Blessed Virgin Mary Solemnity
St Bartholomew, Apostle (Feast) August 24
The Birthday of the Blessed Virgin Mary (Feast) September 8
The Exaltation of the Holy Cross (Feast) September 14
St Matthew, Apostle, Evangelist (Feast) September 21
St Luke, Evangelist (Feast) October 18
St Michael, Gabriel and Raphael, Archangels (Feast) September 29
All Saints (Feast) November 1st
Dedication of the Lateran Basilica (Feast)November 9
Christ the King Not a Major Feast per say - Occurs on the last Sunday or Ordinary Time,before Advent
St Andrew, APostle (Feast) November 30