Show date with short format on graphics

is it possible to show dates with short format into graphs?
I need only YYYY-MM-DD.

Yes, but you’ll need to be using the latest version. From the question, go to settings, you’ll find all the formatting options in there.

i have the latest version and i setup up all.
but nothing change.

You need the settings for the question, not global. You may need to create a new question too.

There’s still some minor bugs - even in the new version - but we have much more control since 0.31
Example, I select to show only date in abbreviated form, but it includes the day and time, and the date is in US-style on the hover: