Asserts that teaching principles and concepts related to global time is a test of student comprehension and an instructor's teaching ability. Describes how teachers can create an International Date Line Wheel for classroom demonstration purposes. Includes 11 figures illustrating how to make and use the wheel. (CFR)

Contends that the computer software program, "Where in the World Is Carmen Sandiego," can be used to teach about social studies and a wide range of other courses. Recommends instructional techniques and interdisciplinary approaches to be used with the program and includes a curriculum correlation chart. (CFR)