jQuery-Datetime-Picker is a JQuery plugin that allows you to graphically select the date and time.
The Datetime picker is used in some areas of the administrative area, but is stored directly in the out directory that all apps can also access it via the application area.
The jQuery plugin is easy to implement and can be integrated directly from any app.
More information about the jQuery Datetime picker can be found here:
https://www.jqueryscript.net/time-clock/Clean-jQuery-Date-Time-Picker-Plugin-datetimepicker.html