When one edit any of the default fields on a custom content type, they are all treated (in the UI at least) as if they were 'date / time' fields, when is clear that some are text and author fields.
Which part of the UI? Can you provide a screenhot?
Fixed in Alpha 4
Pods 2.0 Alpha 4 - Fixes for #85 #87 #88
Now, with new content types, the 2 default actual "date" fields are missing and the author field still displays as a "date" field. Even though the title and permalink fields display correctly, they displays as "date" fields again if one toggles the different "edit" buttons for a while.
You'll need to drop that pod from wp_pods and re-add it
In the 5 alpha, the original bug appears again with newly created pods.