How can the discount price change automatically on a given date?

[ashkan-ahmadi]

Is your feature request related to a problem? Please describe.
I can't set the discount price to change on a specific date. I have to remember to manually change.

Describe the solution you'd like
A field where we can set the final date of the discount.

Describe alternatives you've considered
Manually changing (very frustrating)

Additional context
None-