The most difficult thing to study in Korean is numbers.
I think you can study numbers by looking at the clock every day.
It's very effective to learn a little bit every day! :D
1. When you click on the digital clock, it will display the Hangul clock for 7 seconds.
2. The Hangul clock can be stopped for optimization.
When you click on the widget, the Hangul widget will move when you click on it again.
3. You can change the background of the Hangul clock.