How Monks Invented Clocks and Changed Human Consciousness

Monks invented clocks to solve a scheduling problem, accidentally changing human consciousness forever in the process.

Before clocks, there would be one unlucky monk who had to stay up all night to wake everyone up so that they could all pray at the same time.

I’m assuming this was a bit frustrating for him.

So they invented mechanical clocks around 1275-1300 AD.

200 years that changed everything

Within 200 years, clock-based timekeeping had spread from monasteries to all of society.

Timekeeping devices have come a long way since then — and some have gotten a lot more expensive.

The profound shift

The shift was profound: people stopped deciding what to do based on what needed to happen at that moment, and started following predetermined schedules.

Now we perceive reality as boxes of time that we’re passing through and anticipating, rather than being fully present in the moment — something that, ironically, primarily monks tend to focus on these days.

The history of timekeeping is really the history of human coordination. Every major leap — from sundials to mechanical clocks to digital calendars to AI — has been about solving the same fundamental problem: how do we synchronize human effort?

That’s the question we’re still answering at TimeSentry, just with better tools.