Metric Horology

There are 24 hours in a day, seven days in a week, and (roughly) 365 days in a year. There are 60 minutes in an hour and 60 seconds in a min...

The astrolabe is an ancient astronomical instrument, dating back more than 2,000 years, used to observe the positions of the stars. With m...

24 hours in a day?  Someone in ancient Egypt decided to divide daytime into 10 units, and then add one unit of twilight at each end. T...

Horology (from Greek ώρα, "hour, time"; and λόγος, logos , "study, speech"; lit. the study of time) is the art or sc...

Open a spreadsheet and create a quick and dirty log to record time worked on some project.  Then try adding up the total number of hours...

Why the Gregorian calendar is so last year. By Renuka Rayasam 30 December 2015 If Richard Henry had his way, we wouldn’t be celebrat...

“ How many minutes will I spend on a plane if I fly from 3:55 in the afternoon until 10:30 at night? The reason that the answer isn't ...