Tools for measuring time

• Calendar: it is a systematized account of time for the organization of human activities, it allows us to have an exact measurement of the year in month and days.

                             

• Clock: it is an instrument that allows us to measure the passage of time in years, hours, minutes and seconds. There are a variety of watches such as sundials, hourglasses, analogue, digital, among others.

                              

• Stopwatch: it is an instrument used to measure fractions of time, normally short and with great precision, seconds, thousandths of seconds, etc.

                              

• Atomic Clock: A clock whose operation is based on the frequency of an atomic vibration. It is a type of clock that uses a normal atomic resonance frequency to power its counter.

• Radiometric Dating: is the technical procedure used to determine the absolute age of rocks, minerals and organic remains. Allowing to know the exact age of minerals of up to 60,000 years.