The memorial, led by President Juan Manuel Santos, will be held in Bogota's Primada Cathedral, the country's culture ministry tweeted today.
Garcia Marquez, who died on Thursday at the age of 87 in Mexico City, was one of the world's most popular Latin American novelists whose "magical realism" told epic stories of love, family and dictatorship.
Colombia has already declared three days of mourning for the author of "One Hundred Years of Solitude," with flags flying at half-mast, newspapers publishing special editions and folk bands singing in his honor in his native Caribbean coast town of Aracataca.
Garcia Marquez has already been cremated but his family has not said what will happen with his ashes.