Immaculate Conception 2017 - Magan from August 17 to August 20. Past days. Saturday, August 5 Thursday, August 10 Thursday, August 17 Friday, August 18 Saturday, August 19 Sunday, August 20 Saturday, September 2 You might be also interested in: August Fiesta 2017 - Toledo - 16 Kms. Our Lady of Butarque 2017 - Leganes (Madrid) - 47 Kms.