Make Nautilus display ISO format for date-time (ubuntu 14.04)

I think this may be related to the removal of date format options - details can be found in this question:

How to show full date and time in Nautilus/Files 3.6+ list view?

I’m using en_AU and expect dates formatted 1 Jun but see Jun 1 instead. Nautilus appears to ignore the locale. I’d prefer the choice of a full date, but it should at least conform to the locale.

See also:

• Full date and time cannot be viewed in "modified" list view column
  (request for this change to be reverted)
• Use a better date format by default instead of making the user guess
  (original bug report that lead to the change)