I would like to be able to display two dates for one task: the "original" due date, and also another one that I added in custom field.

I have a specific situation where I want to put a task that's about some event/deadline, and in custom field I want to add when this event is happening, and in the regular due date" field - when I have to work on it, for example some submission papers or something. I would like to see both of those dates in a calendar/time/as a due date so I can easily keep track on both of them, without adding subtask to it with different date.

So let's say I have a task with custom field & date set for April 30th, and then I want to set the regular due date field for it also for April 15th, and I want both of these dates to show in the TIME view. Without creating subtask with different date.