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The article focuses on time concept. Appreciating the diversity and evolution of cultural and scientific views of time requires a wide-ranging journey through history, and the interplay between the practical ability to measure time with clocks and the abstract concept of time itself will be a central theme. There are as many conceptions of time as there have been human cultures, but it is common to identify two kinds of time. Both linear and cyclical time can be seen in any calendar, which reveals not merely the calculations by which a society numbers days and years but also something of how that society understands time itself. Finally, one may also identify a third kind of time, common to many indigenous peoples including those of Australia, North America and the Arctic. These cultures are often seen as timeless, sometimes on simplistic linguistic grounds. Study of the relationship between time and motion extends at least as far back as Greek philosophy. To Greek philosopher Plato, time was the moving image of an ideal static eternity, manifested in and even brought into being by the motion of celestial bodies.