Hora Cero was an Argentine comics magazine which ran between 1957 and 1963. The magazine was established by Héctor Germán Oesterheld and his brother in 1957. The publisher was Editorial Frontera. It was part of the Golden Age of Argentine Comics. The most successful of its published series was El Eternauta. The final issue of Hora Cero appeared in 1963.
- ^ a b c Carlos Scolari; Paolo Bertetti; Matthew Freeman (4 November 2014). Transmedia Archaeology: Storytelling in the Borderlines of Science Fiction, Comics and Pulp Magazines. Palgrave Macmillan. p. 56. ISBN 978-1-137-43437-1.