World clock is a simple yet useful tool that allows users to keep track of time in different parts of the world. It is a simple and lightweight app that lets you see what time it is, in major cities, at a single glance.

It is simple to use and can be used by both professional and non-professional users.

World Clocks are a great tool for professionals who travel frequently or have responsibilities such as working abroad or dealing with international clients. 

It's great for people who are always traveling or living on the move, so they can quickly check what time it is where they are going to be spending the night.