Advent; the days between Septuagesima and Maundy Thursday; vigils that fall on fast days, and Ember days, except the vigil before Whitsunday (red) and the Ember days in Whitsun week (red).
The auriphrygiata is worn during Advent, and from Septuagesima to Maundy Thursday, except on the third Sunday in Advent (Gaudete), the fourth in Lent (Laetare) and on such greater festivals as fall within this time.