If you go to Tools -> Label creator -> New batch -> Add items you'll trigger a popup window with a search form. Searching by date returns no results.
I think Bug 24735, "Remove QueryParser-related code" is to blame.
Hum, did you confirm 24735 was the culprit?
I get results using Zebra, nothing with ES.
*** This bug has been marked as a duplicate of bug 30745 ***