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.
It is possible to disable the form on a certain date and time. Here's a guide:
1. In the Form Builder, click the Preferences button.
2. Under the General tab, you'll the see the Status drop down. Click it and select the Disabled on Date option. After that, set the Date, Time and the Warning Message.
Here's the complete guide: https://www.jotform.com/help/137-How-to-limit-submissions-in-a-form
Let us know if you need further help. Thank you.