Query related to Date Format

Question

How to get current date and 7 days prior date using juqery

 

For Example today is 19 July 2020,then current date will 19 July 2020 and 7 days prior date will be 12 July 2020.

 

Also I want date in this format

19 July 2020 should be converted to 19 July and 12 July 2020 to 12 July

i.e. I only want day and month.

 

Kindly guide me on this

 

I am Stuck on this