Can I set specific calendar dates, such as deadline dates, when creating recurrent learning plans?

No. Recurrent learning plans are dynamic, which means you cannot set specific dates.

If, for example, you want to create an annual learning plan with a fixed deadline date, it is recommended that you duplicate the same learning plan each year, and set a new deadline in the All users need to complete this learning plan by field, in the Deadline section of the Expiry tab.