Is anyone using Workforce Planning Module with 13 period calendar?

Summary:

Is anyone using Workforce Planning Module with 13 period calendar? If yes, can we get their first hand feedback on how the implementation went and are there major challenges we should know before starting the development using module?

Content (required):

Our financial calendar is a 13 period calendar. We are planning to start development of Workforce Planning feature in Enterprise EPBCS module. But before we decide and choose Out of the box module, I would request feedback from users who have tried that or are using that for a 13 period financial calendar. Specific feedback we are looking for is around:

• Major issues building the Workforce module with 13 period calendar