One UI undoubtedly has made the user ease their task. Especially in Samsung smartphone and its tablet.
The icon at 7:58AM
The icon at 8:36AM
The icon at 12:00PM
The unique icon were well known. Such as its Phone, Gallery, My Files, Calendar, etc.
However, there is an interactive and responsive to the real-time occasion. For example, the clock icon.
The respected icon will follow the real-time hours in a day.
Here are the example of clock icon that shown in three different time:
