In this tutorial, we will show you how to add a date/time field to a custom online form using the MightyForms form builder. This is a simple process that will allow you to gather date and time information from your users. First, log in to your MightyForms account and select the form you want to edit. Next, select "Date/Time" from the field types. You will then be prompted to enter the label for the field and any additional settings, such as making it a required field. Finally, customize the field by setting the date and time format, as well as the minimum and maximum date and time values. With these easy steps, you will be able to quickly and easily add a date/time field to your form.