"Registration cut-off date" and "Withdraw cut-off date" appearing to be a specific date for a newly created Scheduled Offering, though no such date is maintained at the Item level.
Also the Expires and Until fields data for an item in the catalog shows the same date.
Reproducing the Issue
The Date Pattern Hint has the date mentioned because of which this date is being displayed where ever the date hint can be displayed. This isn't the actual data but just the hint which is causing the confusion.
To modify the Date Pattern Hint:
Navigate to References -> Geography -> Locales -> Search for your preferred Locale -> Access Date Pattern tab -> modify the Date Pattern Hint in such a way that it displays MM/DD/YYYY (just as example) which is appropriate to Date Pattern ID.
Please do NOT provide any date as provided above which will cause the confusion.
Date Pattern Hint , KBA , LOD-SF-LMS-COR , LMS Core - Items, Catalog, Curricula , Problem