Oh Clock is a powerful, fluid and beautiful clock tool regrouping a world clock, an alarm clock, a stopwatch, a timer and a day counter in one single app. With all the basics features you'll expect from a clock tool, Oh Clock gives you in addition a clean and user friendly interface, which adapts to your device theme, and that you can use very easily, either with your tablet or your PC. Adding to that some exclusive features, and one the largest cities database on the Windows Store for the world clock, with at least one city by country, by timezone within a country or by state for countries like the United States, Canada and Australia. Oh Clock also integrates Cortana, with a wide range of voice commands letting you use the app with your voice. The entire list of voice commands can be found inside the app.