"Mil horas" (English:"One thousand hours") is a song by the Argentinian band Los Abuelos de la Nada (The Grandparents of Nothing), included in the second album Vasos y besos ("Glasses and kisses"), published in 1983. Composed by the keyboardist and singer Andrés Calamaro, the song became one of the band's biggest successes, and was one of the most well-known songs of Rock in Spanish in the 80s. It holds 5th place on the 100 best songs of the 80s in Spanish list, according to VH1 Latin America and the 14th place on the 100 hits of Argentine rock by Rolling Stone.