The Surprising History Behind Leap Year by Brian Handwerk [National Geographic]
The ancient Egyptians did it, and so do we. Here's how a leap day—which occurs Februrary 29—helps keep our calendars and societies in sync. It's that time again: This Monday, February 29, is a leap day, the calendar oddity that occurs (almost) every four years. For centuries, trying to sync calendars with the length of the natural year caused confusion—until the concept of leap year provided a way to make up for lost time.[more inside]
Chronodex is a personal time management system developed by Patrick Ng that naturally matches the clock. It's free! Here's the printable 2015(a) edition sized for Traveler's Notebooks [more inside]
Sometimes life seems really short, and other times it seems impossibly long. But this chart helps to emphasize that it’s most certainly finite. Those are your weeks and they’re all you’ve got.
Timepieces! Ancient calendars, ancient clocks, beautiful clocks, atomic clocks and the clocks built into your brain that determine how you perceive time and form memories. All the good stuff is inside: [more inside]
Time of the Season: Conceptual artist Chris Hardman of Antenna Theater has reimagined the calendar. His ECOcalendar abandons the grid concept, instead unrolling like a scroll to define days vertically. Each day appears in its unique position along the arc of gradual seasonal change, with graphics linking stars to tides to the terrestrial world . Radio interview here.
2007 Calendar: It contextualizes every hour, even on a year’s time scale: if someone marks the calendar, then looks back in even as little as an hour, they will be able to see time’s inexorable march. ...a sort of graph paper for personal life.
Lakota Winter Counts. Lakota and other plains tribes counted time by winters. An appointed recorder would choose one major event to mark the year, depicting that event by name and symbol. Early records dating back to the 10th century were often painted on buffalo skins; more recent winter counts were recorded as text journals. These fascinating records offer insight into natural and historic events for our land that precede accounts of European settlers. - more -
For 170 years, crossing the Channel from the UK to France would have brought you 11 days forward in time, and crossing back would have brought you 11 days earlier. Why? Because the Church of England wasn't about to adopt a new Calendar instituted by a Catholic pope. After all, if the old style was good enough for Caesar.... In fact, it took over 300 years for the new Gregorian Calendar to come into use throughout Europe, causing, no doubt, more than a few missed lunch dates as people forgot to convert between them as they traveled. There are, of course, many other calendars in use around the world, and no shortage of people suggesting that let's do the time warp again.