If you need to include information about date and time in your process, you can use data form with date/time field type.
Steps to create date and time fields:
Open "Data form" tab
Enter the field name and choose field type "Date" or "Date & time". For example, for employee onboarding process you include her start date in your form like this:
3. You can use "Settings" to set allowed date range for this field
4. When you're finished with your data form, please configure visibility settings for every field in every process task.
5. When you start process form this template, task assignee with access to this field (editable or required visibility setting) will see it in the following way:
Please note that in order to keep your calendar up-to-date, you need to set your time zone in Profile settings.