Please use at least version 1.8.3 of NextGEN Gallery. This plugin is not tested with lower versions

[ A T T E N T I O N ] NextGEN Gallery core modification required!

NextGEN Gallery Date is an add-on for the best wordpress gallery plugin i have seen! With my plugin, you can sort galleries by date, show gallery creation and modificatio date inside gallery templates.
It adds two new columns for gallery table:

added_date (on gallery creation)
modified_date (on gallery modification and upload of pics)

Features

Gallery order by date: Check the Ngg Date admin panel to activate the order options in every manage album page.
Date info: show 3 kinds of date format (read installation info)

Credits

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.