There is definitely a confusion in the departure timings of 12833 at ADI.
IRCTC shows 23:55, www.indianrail.gov.in shows 23:55, www.indiarailinfo.com shows 23:55,
National Train Enquiry System (NTES) shows: 00:15, Trains at a glance shows 00:15.
Moreover, since the date of train departure at originating station changes, there is a major confusion for making reservation on the opening day.