It's said that the football game will be played on Saturday. The famous game of Colombia vs. Argentina (the basis of the truce), where Colombia beat Argentina 5-0 was played on September 5, 1993, and that was a Sunday.
One policeman is identified with the rank of "Patrullero" (patrolman). The film is set in the year 1993, this rank was implemented in the Colombian Police Forces in late 1994