Saint Isidore 2018 - Monesterio from May 11 to May 15. Past days. Friday, May 11 Saturday, May 12 Sunday, May 13 Monday, May 14 Tuesday, May 15 You might be also interested in: May Fair 2018 - Guarena - 90 Kms. Pilgrimage of Saint Isidore 2018 - Zalamea de la Serena - 95 Kms.