Vedic Measurements of Time

http://www.sanskritimagazine.com/indian-religions/hinduism/concept-measurement-time-vedas/

[PADA: Some of the time concepts of the Vedas are hard to grasp. Some are so small while other concepts are so immense. Srila Prabhupada says that all of us were also existing many billions of years ago, we just cannot remember that time. It does not mean we were not existing and acting billions of years ago, we just forgot. ys pd]