How to manage date of birth?

Hello,I am new to this forum. I want to manage a part of date e.g day,month and year in a calculation i.e claculation wediget.My target is ask date of birth and calculate day and month.

Hello,

Thank you for reaching out.

I am not sure what you would like to have as a result.

Would you be looking for something like this? https://form.jotform.com/213103914837958

If not, please let us know more about the result you would like to have.

Best regards

Your link is informative.My problem is solved by this.I will use this this formate in my site juicerhunter.