How was Time Measured in Prehistoric Period ?

In many ancient societies time was never consid­ered a measurable unit. To them if time was mea­surable one should be able to hold a basket full of time -the basket being the unit for measurement known to them. Measur­ing tangible objects must have been there since the prehistoric period, but time being not tangible re­quires conceptualization. In pre-literate societies one [...]