Saint John 2018 - Tres Cantos - Thursday, June 21 Thursday, June 21↕ Friday, June 22 Saturday, June 23 Sunday, June 24 Monday, June 25 18:00 Announcement and beginning of festivities. 21:00 Concerts. Fri., Jun. 22> You can find out more on Fiestas.Net You might be also interested in: Fiesta of Dehesa de la Villa 2018 - Ciudad Universitaria - 17 Kms. Saint John 2018 - Retiro - 22 Kms. Fiesta of Usera 2018 - Usera - 25 Kms. Fiesta of Vicalvaro 2018 - Vicalvaro - 27 Kms. Fiesta of La Fortuna 2018 - La Fortuna - 29 Kms.