Novus Ordo
June 20th, 2020 – Immaculate Heart of Mary
This is a movable feast day. It occurs the day after The Sacred Heart of Jesus every year which is also a movable feast. It always occurs in June, however.
Traditional and Novus Ordo
June 27th – Our Lady of Perpetual Help
For an exhaustive list of Traditional Marian feasts go to: http://www.catholictradition.org/Mary/marian-feasts.htm#JUNE