What is the World Clock application, how does it work?

According to the introduction of Quester, World Clock is a Tools app on the Android platform. There is currently a 1.0.2 version released on Jun 08, 2017, you can see the details below.

Do you want to know time in different country or city? This app is perfect world clock and meeting planner. You can use it as standalone app
Ideal for business users, the app allows you to schedule meetings and set alarms for any time zone/city/country, so you can avoid confusion when travelling for work.

Features:
* 5000+ cities
* Support for daylight saving time.
* Time Zone Converter.
* Multiple clocks support.
* Show time difference between local time.

Added new features like themes(dark-mode), clock customization and edit clock name.