![Amazon.com: Hourglass Sand Timer 60 Minute & 5 Minute Set:Large Sand Clock with wood Base,Black Sand Watch 60 Min,Small Reloj De Arena 5 Minuto,Antique Hour Glass Sandglass for Gift,Office,Home,Desk Decortion: Home & Amazon.com: Hourglass Sand Timer 60 Minute & 5 Minute Set:Large Sand Clock with wood Base,Black Sand Watch 60 Min,Small Reloj De Arena 5 Minuto,Antique Hour Glass Sandglass for Gift,Office,Home,Desk Decortion: Home &](https://m.media-amazon.com/images/I/71gEkKUSfFL.jpg)
Amazon.com: Hourglass Sand Timer 60 Minute & 5 Minute Set:Large Sand Clock with wood Base,Black Sand Watch 60 Min,Small Reloj De Arena 5 Minuto,Antique Hour Glass Sandglass for Gift,Office,Home,Desk Decortion: Home &
![Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day? - Scientific American Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day? - Scientific American](https://static.scientificamerican.com/sciam/cache/file/F6F98B92-3879-471E-B2809AB96231028E.jpg)
Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day? - Scientific American
![TIL ancient Babylonians did math in base 60 and not base 10, giving us 60 seconds in a minute, 360 degrees in a circle, etc. : r/todayilearned TIL ancient Babylonians did math in base 60 and not base 10, giving us 60 seconds in a minute, 360 degrees in a circle, etc. : r/todayilearned](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Babylonian_numerals.svg/800px-Babylonian_numerals.svg.png)