Saint John 2018 - La Lastrilla from August 16 to August 19. Past days. Sunday, August 12 Monday, August 13 Tuesday, August 14 Wednesday, August 15 Thursday, August 16 Friday, August 17 Saturday, August 18 Sunday, August 19 You might be also interested in: Summer Fiesta 2018 - Aguilafuente - 30 Kms. Fiesta of Guadarrama 2018 - Guadarrama (Madrid) - 34 Kms. Summer Fiesta 2018 - Miraflores de la Sierra (Madrid) - 43 Kms. Fiesta of Aldealcorvo 2018 - Aldealcorvo - 48 Kms. August Fiesta 2018 - Torrelodones (Madrid) - 50 Kms.