Which of the following statements about the international date change line are correct?
选项：

A:The international date change line is a straight line.;
B:Cross the date change line from east to west, the date should be increased by one day.;
C:A new day on earth is measured by the date change line.;
D:The international date change line is also called the date line, and the dates on both sides are different.;
E:Cross the date change line from west to east, the date should be increased by one day.