I have the need to change the distribution of the values of the xAxis (date) to 'linear': data are spread according to their time (distances can vary).

It's very important visually see how much time has elapsed between a datum and the next (variable time interval).

Thank you

Hi Andrea,
Could you please explain a little more detailed what exactly are you trying to achieve - it is a little unclear?

First sorry for my bad english.
In the xAxe I've the date extract from a db.
For example four date [2018-02-08 / 2018-03-08 / 2018-04-09 / 2018-04-19].
As you can see the date has a variable time interval, not a regular interval.
I've the need that the the date shown on the xAxe are spread to their real time (distance between interval must vary).
I hope I have been clearer.

Thanks

Unfortunately that is not possible. The chart reads what is returned from the database - so the distance between points is the same, no matter what the date is.