It is daytime in the part of the Earth facing the Sun and nighttime in the part of the Earth away from the Sun. Why are there time differences on the Earth? In this episode, we will discuss how time zones are determined.
The latest episode of "Cool Met Stuff" is now available on the "MyObservatory" mobile application and the Observatory's website for your viewing (programme is broadcasted in Cantonese).
Observatory's "Cool Met Stuff" channel (broadcast in Cantonese):
Broadcast schedule of various TV channels: