Most of the time, a year is made up of 365 days. But 2016, just like 2012, and the year four years before that, has 366. And that vital extra day, a leap day, is (partly) what keeps our calendars in working order.
As...
Most of the time, a year is made up of 365 days. But 2016, just like 2012, and the year four years before that, has 366. And that vital extra day, a leap day, is (partly) what keeps our calendars in working order.
As...