Medieval Period · 13th–14th centuries
Mechanical Clock
Commodification of Time and Merchant–Church Temporal Order
The spread of mechanical clocks across late-13th and 14th-century Europe unsettled medieval ideas about who owned time. Ironically, the clocks were first developed inside monasteries, where communities of monks needed to ring bells at the eight fixed daily prayer times the Church required (matins, lauds, prime and the rest). Once the technology escaped the cloister, merchants and town councils started installing public clock towers and paying labourers by the hour.
Theologians got nervous. If you could sell time, was that not close to usury — the sin of charging money for something (like lent coin, or now an hour of the day) that "belonged only to God"? One 14th-century Franciscan ruling put it in exactly those terms. The French historian Jacques Le Goff later framed the clash as "Church time" (liturgical, eternal, God's) versus "merchant time" (counted, sold, ours). Public clocks were in fact largely embraced. Princes and cathedral chapters competed to build the grandest towers. But moralists worried that machine-regulated hours would displace the natural and sacred rhythms of daily life. Later historians like Gerhard Dohrn-van Rossum and Lynn White have shown this was less a story of institutional opposition than a slow, uneasy negotiation between the sacred and mercantile senses of time. What began as fear of mechanised hours ended up shaping the rhythms of modern work — with both the gains in coordination and the new language of time "spent" or "wasted" still being hashed out today.
Theologians got nervous. If you could sell time, was that not close to usury — the sin of charging money for something (like lent coin, or now an hour of the day) that "belonged only to God"? One 14th-century Franciscan ruling put it in exactly those terms. The French historian Jacques Le Goff later framed the clash as "Church time" (liturgical, eternal, God's) versus "merchant time" (counted, sold, ours). Public clocks were in fact largely embraced. Princes and cathedral chapters competed to build the grandest towers. But moralists worried that machine-regulated hours would displace the natural and sacred rhythms of daily life. Later historians like Gerhard Dohrn-van Rossum and Lynn White have shown this was less a story of institutional opposition than a slow, uneasy negotiation between the sacred and mercantile senses of time. What began as fear of mechanised hours ended up shaping the rhythms of modern work — with both the gains in coordination and the new language of time "spent" or "wasted" still being hashed out today.