Feast of the Sacred Heart
The Feast of the Sacred Heart is a solemnity in the liturgical calendar of the Roman Rite of the Catholic Church. According to the General Roman Calendar since 1969, it is formally known as the Solemnity of the Most Sacred Heart of Jesus (Latin: Sollemnitas Sacratissimi Cordis Iesu) and celebrated on the second Friday after Trinity Sunday (see § Date, below).
Source: Wikipedia — Feast of the Sacred Heart (CC BY-SA 4.0)