Create a DIY perpetual calendar using this free watercolor printable! It’s easy to make with Mod Podge and a few other basic ...

The advantage of the irregularities in the Gregorian calendar ... yearly revenue for the paper calendar industry. Long before sustainability became a trending topic, people invented reusable ...

The Aiguille d’Or – golden needle in French – is the top award at the annual GPHG. The Eternal Calendar has an innovative ...

We appear to have reached the end of the road in a long-running legal dispute over the ownership of a Patek Philippe ...

In the early 1990s, Patek Philippe had long been known for its elegant time-only Calatrava models, and, at the opposite end of the horological spectrum, its perpetual calendars, perhaps the ...