Yes. Go to your Form Editor, click on a Date field, then click on Accepted days. Here, you can establish what days of the week will be accepted.
Also, you can set up conditions to the Date to accept only certain dates, such as:
In the Accepted Days section you can also specify the number of days weeks years. This can be accomplish with typing the number and followed by d(days), w(weeks), m (months), y(years) in the custom date box. Examples: +5d, +3m +1w, +2y.