Measurement- Days, Months, Years

Topic: Days, Months and Years

A day is approximately the period of time during which the Earth completes one rotation 
around its axis.

 A solar day is the length of time which elapses between the Sun reaching its highest point 
in the sky two consecutive times.

Each of the twenty-four-hour periods, reckoned from one midnight to the next, into which a 
week, month, or year is divided, and corresponding to a rotation of the earth on its axis.










A month is a unit of time, used with calendars, which is approximately as long as a natural
 period related to the motion of the Moon; a period of 28 or 30 days or four weeks.

A year is the orbital period of a planetary body, for example, the Earth, moving in its orbit 
around the Sun.



 The Gregorian calendar, or modern calendar, presents its calendar year to be either a common
 year of 365 days or a leap year of 366 days.



A century is a hundred (100) years and a millennium is a thousand (1000) years.  





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