How to change time format

1 after successfully installing the application, you will be welcomed by the home screen of purple tools 2 click on "settings" , as seen in the below image (marked in red) 3 click on "time zone" , as seen in the below image (marked in red) 4 select between "24 hours or 12 hours" time, as seen in the below image (marked in red) 5 click "update" to save your changes, as seen in the below image (marked in red)