Time zone teaching instrument

A time zone teaching meter comprises two parts of an external disc and an internal disc, wherein the external is 24 hours system dial, the internal disc is divided into 24 arc sectors in 15 degree, which stands for 24 time zones, each time zone stands a corresponding city, when clockwise rotating the internal disc, the time that the pattern on the internal disc points to the external disc is the local time of the city in the time zone. At the time that the teaching meter makes students know and read time, students directly feel the theoretical accordance of day-night alternation, date change and time zone shift and the arose of time concept, which is the best teaching meter of time zone shift theory in school geographical knowledge, and has simple structure, low cost and is easy to be popularized.