Date/Time sort puts 12a (00:00) after 1a (01:00)

The search words "date create sort" produce e.g. this thread

which shows the solution shown by @poster.

MP3tag does not evaluate what kind of data gets delivered in a particualr field. You would have to take care to get a representation that you like.
That is why you have to set the attriubutes for a column like field, value, sort by and numerical.