What is purpose of locale setting in Java java.util.Calendar?

What is purpose of locale setting in Java java.util.Calendar?

References

Reference NO 1

http://stackoverflow.com/questions/15186208/what-is-purpose-of-locale-setting-in-java-java-util-calendar

Reference NO 2

http://stackoverflow.com/questions/18388749/java-util-calendar-behaving-strange

Reference NO 3

http://docs.oracle.com/javase/7/docs/api/java/util/Calendar.html

Reference NO 4

http://www.java2s.com/Questions_And_Answers/Java-Data-Type/Calendar/util.htm

Reference NO 5

http://www.tutorialspoint.com/java/util/java_util_calendar.htm

Reference NO 6

http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/util/Calendar.java

Reference NO 7

http://www.docjar.com/html/api/java/util/Calendar.java.html

Reference NO 8

http://help.sap.com/javadocs/nw04/current/hb/com/sapportals/htmlb/DateNavigator.html