How Was The Calendar Invented? http://bit.ly/1m6qu2o Subscribe! http://bitly.com/1iLOHml The Gregorian calendar is the most widely used calendar, but it's far from being the only one. So what are the different types of calendars? Learn More: End of World in 2012? Maya "Doomsday" Calendar Explained http://news.nationalgeographic.com/news/2011/12/111220-end-of-world-2012-maya-calendar-explained-ancient-science/ "It's remotely possible the world will end in December 2012. But don't credit the ancient Maya calendar for predicting it, say experts on the Mesoamerican culture." Calendar http://www.britannica.com/science/calendar "Calendar, any system for dividing time over extended periods, such as days, months, or years, and arranging such divisions in a definite order. " A Variety of Calendars http://www.webexhibits.org/calendars/calendar.html "Today almost everyone takes the precision of our calendars for granted, unaware of the long threads spooling out from our clocks and watches backward in time, running through virtually every major revolution in human science, all linked to the measurement of time. " The Islamic Calendar http://www.webexhibits.org/calendars/calendar-islamic.html "The Islamic calendar (or Hijri calendar) is a purely lunar calendar." Music Track Courtesy of APM Music: "Unraveled" Subscribe to TestTube News! http://bitly.com/1iLOHml _________________________ TestTube News is committed to answering the smart, inquisitive questions we have about life, society, politics and anything else happening in the news. It's a place where curiosity rules and together we'll get a clearer understanding of this crazy world we live in. Watch more TestTube: http://testtube.com/testtubenews TestTube now has a newsletter! Get a weekly round-up of our most popular videos across all the shows we make here at TestTube. For more info and to sign-up, click here. http://testtube.com/fwd Subscribe now! http://www.youtube.com/subscription_center?add_user=testtubenetwork TestTube on Twitter https://twitter.com/TestTube Trace Dominguez on Twitter https://twitter.com/TraceDominguez TestTube on Facebook https://facebook.com/testtubenetwork TestTube on Google+ http://gplus.to/TestTube Download the New TestTube iOS app! http://testu.be/1ndmmMq Special thanks to Jules Suzdaltsev for hosting TestTube! Check Jules out on Twitter: https://twitter.com/jules_su

• published: 01 Jan 2016
• views: 12372