Cinema Is a Clock: Timepieces in Film History

Cinema is a clock.

Every film you have ever watched has been counting. Twenty-four frames per second. Ninety minutes. Two hours. The projector is a clock. The runtime is a clock. And when a filmmaker puts an actual clock on screen, that is cinema looking in a mirror — a time-based medium depicting its own time-measuring instrument. Tarkovsky called filmmaking “sculpting in time.” The clock is the chisel.

The foundational image belongs to Harold Lloyd, dangling from the hands of a giant clock face on a skyscraper in Safety Last! (1923), the hands bending under his weight — performed by an actor missing two fingers from a prop bomb accident, his grip on time genuinely precarious. Fritz Lang weaponized the clock in Metropolis (1927), where workers operate machines shaped like ten-hour clock faces, their bodies synchronized to a mechanism designed to exploit them. The classical period refined the clock into moral architecture: High Noon (1952) aligned its 85-minute runtime with the story’s countdown, clocks appearing in virtually every scene as the pendulums become an encroaching reaper.

Kubrick made the clock conceptual rather than physical. A Clockwork Orange (1971) is not about a clock — it IS a clock, its title defining the thesis: a human being made mechanical, organic on the outside, mechanical on the inside. Tarkovsky countered by rejecting the clock entirely: Stalker (1979) operates outside normal time, its long takes forcing the audience to experience duration as the medium’s fundamental material. Between them, they posed the question the rest of cinema would try to answer: is the clock something we are trapped inside, or something we can escape?

The blockbuster era took the countdown commercial. Back to the Future (1985) made the clock tower America’s most beloved timepiece, frozen at 10:04 PM. Groundhog Day (1993) turned the alarm clock into cinema’s most philosophically productive prop — the flip from 5:59 to 6:00, the same day beginning again, claimed by Buddhists, Christians, existentialists, and psychoanalysts alike. Run Lola Run (1998) compressed everything to twenty minutes and three attempts, the film entering through the mouth of a gothic clock.

Christopher Nolan built his career around the clock’s possibilities. Each tick of the Interstellar (2014) soundtrack represents one day passing on Earth; the Hamilton watch becomes the instrument of humanity’s salvation. Dunkirk (2017) weaves three timelines at different temporal scales with a score built from Nolan’s own pocket watch recording. And Denis Villeneuve’s Arrival (2016) achieved what no other film has: it abolished the clock entirely, replacing linear time with a circular alien language. The “flashbacks” are flash-forwards. There is no countdown, no before and after. If cinema has always depended on the clock, Arrival proved it by removing one.