You can try conversion from timetamp here:
http://www.epochconverter.com/
1410642972 = 09/13/2014 @ 21:16:12 UTC
1410643006 = 09/13/2014 @ 21:16:46 UTC
1410643071 = 09/13/2014 @ 21:17:51 UTC
On the same page is also explained how to get timestamp and how to convert it to human readable form.