The Hopi time controversy is the academic debate about how the Hopi language grammaticalizes the concept of time, and about whether the differences between the ways the English and Hopi languages describe time are an example of linguistic relativity or not. In popular discourse the debate is often framed as a question about whether the Hopi "had a concept of time", despite it now being well established that they do. The debate originated in the 1940s when American linguist Benjamin Lee Whorf argued that the Hopi conceptualized time differently from the Standard Average European speaker, and that...