OpenNebula

Reported in the mailing list:
http://lists.opennebula.org/pipermail/users-opennebula.org/2014-July/045409.html

$ ruby -v
ruby 1.8.7 (2013-06-27 patchlevel 374) [x86_64-linux]

$ oneacct -s '06/01/2014 00:00:00' -e '06/30/2014 23:59:59'
Showing active history records from Sun Jun 01 00:00:00 +0200 2014 to Mon Jun 30 23:59:59 +0200 2014

$ ruby -v
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]

$ oneacct -s '06/01/2014 00:00:00' -e '06/30/2014 23:59:59'
invalid argument: -e 06/30/2014 23:59:59

$ oneacct -s '01/06/2014 00:00:00' -e '30/06/2014 23:59:59'
Showing active history records from 2014-06-01 00:00:00 +0200 to 2014-06-30 23:59:59 +0200

$ ruby -v
ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-linux]

$ oneacct -s '06/01/2014 00:00:00' -e '06/30/2014 23:59:59'
invalid argument: -e 06/30/2014 23:59:59

$ oneacct -s '01/06/2014 00:00:00' -e '30/06/2014 23:59:59'
Showing active history records from 2014-06-01 00:00:00 +0200 to 2014-06-30 23:59:59 +0200