Time is the indefinite continued progress of existence and events that occur in an apparently irreversible succession from the past, through the present, to the future. Time is a component quantity of various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the conscious experience.

But how we keep the time? For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 bc from the Sumerians.

Here is a Learning Path about seconds, minutes, hours, days, months, seasons and years!

You can learn the time concept and how we measure it. And also the terms about time.

Let's talk smart about timekeeping.


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