April 4 – Patron Saint of Transitions
https://nobility.org/2014/04/isidore-of-seville/

April 4 - Patron Saint of Transitions - Nobility and Analogous Traditional Elites
St. Isidore of Seville Born at Cartagena, Spain, about 560; died 4 April, 636. Isidore was the son of Severianus and Theodora. His elder brother Leander was his immediate predecessor in the Metropolitan…
Nobility and Analogous Traditional Elites