2006-10-23 13:18:52 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
because the sumerian people of sumer (souther mespotamia) aka modern day iraq made it a whole system thousands of years ago.
thats y theres seconds and days and months and years
2006-10-23 13:21:55 · answer #1 · answered by Eleanor. 3 · 0⤊ 0⤋
For the same reason there is an inch to measure with. We need a something to base our units of time on. The Earth rotates 1 revolution per day and a day consists of 24 hours which are broke down into minutes. Without our units of time we wouldn't know when to go to school or to work or what time to meet at the movies.
2006-10-23 20:35:54 · answer #2 · answered by Sarge 1 · 0⤊ 0⤋
The earth makes a full rotation in approximately 24 hours. Humans have spent much effort to invent methods to record and uniform the use of time. Take a look at this web site and is if it helps you to answer your question.
http://en.wikipedia.org/wiki/Clock
2006-10-23 20:32:06 · answer #3 · answered by Lynn K 5 · 0⤊ 0⤋