Does Anybody Really Know What Time It Is?

Does anybody really know what time it is? Does anybody really care? Well apparently, the answers are "no" and "yes" respectively. A small amount of people dedicate their careers to learning about our brain's perception of time and the research shows that our brain is one of the worst time-keepers out there, while also being one of the most complex...take a look.
http://io9.com/5914112/how-do-you-really-know-what-time-it-is