The builders of Stonehenge five millennia ago revered the long cycles of time. Their monument measured the annual rhythms of the sun from equinox to equinox and the subtle 18.6-year oscillations of the rising moon. Through a hundred generations, they revised and recalibrated their circles of earth and stone to bind their lives with celestial time. A world away, under the tropical sun, Mayans identified their place in time within expansive overlapping patterns of days. Their Long Count calendar encompassed cycles that stretched 5, 000 years, from the primordial origins of life to the imponderable beginnings of a new era. This story is from Kinfolk Issue Forty Buy Now Related Stories Arts & Culture Issue 19 Going Incognito We all secretly wonder what mischief we’d make if invisible: When our identity is hidden, everything seems possible. Arts & Culture Issue 19 The Best Policy Sometimes we talk to each other without feeling heard. Honesty—a most intimate interaction—can be just as thrilling as its more devious inverse. Arts & Culture Issue 19 A Sense of Suspense With unhinged imaginations and mountains of cliff-hangers, the filmmakers behind the sci-fi podcast Limetown have all the makings of a scary story. Arts & Culture Issue 19 Like Clockwork In this new column about time, we learn how slipping off our watches makes us feel like deadline-damning renegades. Arts & Culture Music Issue 19 On a Grander Scale Malaysian singer-songwriter Yuna now may live on the opposite side of the globe, but she’s determined to evolve while staying true to her roots. Arts & Culture Issue 19 Neighborhood: Fire Stations The firefighting profession has evolved over time from Ancient Rome’s rudimentary bucket brigades to today’s sleek life-saving departments.