1)what is meant by "western" "civilization"?what concepts are unigue aspects of the west?

2) what accounts for the different methods of dating time?

2 answers

1) Western civilization is considered the development of Europe, starting in the ancient Near Eastern Mesopotamian civilization, continuing through the Greek and Roman times and finishing with modern Europe, Americas and Australia. Rationality and pragmatism, along with Christianity are unique characteristics of the West. Check these sites for more information.

http://en.wikipedia.org/wiki/Western_culture

http://www.collegeboard.com/student/testing/clep/ex_wc1.html

http://www.teacheroz.com/WesternCiv.htm#ap

2) I'm not sure I understand this question. But remember all concepts of time are developed by humans and have been influenced by their various cultures.
denmark and greek were not participate this process however they attent the mecanizm of foreign exchange rate