Sometimes The widget doesn't update its time and other things automatically. After pressing on the widget its information got updated.. When friends and other person look the widget they amazed with it and when they noticed that the information was not updated then they make fun of me.. Please make the app on real time update.. Here is the screen shot of update miss match.. On the notification bar the time is 9:21 PM and on widget its 9:12 PM. Please fix the issues.. 
If this happens then it means that something is killing the main KWGT service, this is usually due to cleaning apps like Greenify, Purify or Samsung app optimizer. You need to ensure that KWGT is whitelisted from everything, this is not a bug, it should always be up to date.