How can I create an automatic email reminder in a certain time-frame

I need for this form to be completed again in 4 weeks. How do I send a reminder to the person who submitted the form in the first place?

Is this possible?

You can set up reminder emails on the form as explained here:https://www.jotform.com/help/541-how-to-set-reminder-emails-for-your-forms

This should help with your requirement.

Do check and let us know.