The datetime format in various places in the user interface is somewhat hard to read e.g.

2015-09-17T09:22:23.000Z

Examples where this can be found:

• Dashboard, on the various "Last saved" fields;
• Content structure, in the contents' "Details" tab, in the "Creator" and "Last contributor" fields;
• Content structure, in the contents' "Versions" tab, in the "Created" and "Last saved" fields;

Please make the datetime format in those fields more readable, using as reference (for example) the format used in the contents' sub-items "Modified" field e.g.

Oct 5, 2016 4:36 PM