What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
You can setup a condition on this field to check if is after or before some date. However, to avoid submissions with a different date that is not your range you may display an error message using a text field and hide the submit button. A sample condition can be as below:
Hope this information helps. Please let us know if you need any further help.