Getting RPM to list packages by install date

Here is an example on how to get a list of the redhat packages (rpm) sorted by install date:

# rpm -qa --queryformat '%{installtime} (%{installtime:date}) %{name}\n' | sort -n
1446148673 (Thu 29 Oct 2015 12:57:53 PM PDT) culmus-fonts-common
1446148673 (Thu 29 Oct 2015 12:57:53 PM PDT) fontpackages-filesystem
1446148673 (Thu 29 Oct 2015 12:57:53 PM PDT) kacst-fonts-common
1446148673 (Thu 29 Oct 2015 12:57:53 PM PDT) khmeros-fonts-common
1446148673 (Thu 29 Oct 2015 12:57:53 PM PDT) m17n-db
1446148673 (Thu 29 Oct 2015 12:57:53 PM PDT) smc-fonts-common
1446148673 (Thu 29 Oct 2015 12:57:53 PM PDT) thai-scalable-fonts-common
1446148674 (Thu 29 Oct 2015 12:57:54 PM PDT) filesystem
1446148674 (Thu 29 Oct 2015 12:57:54 PM PDT) un-core-fonts-common
1446148675 (Thu 29 Oct 2015 12:57:55 PM PDT) iso-codes
1446148675 (Thu 29 Oct 2015 12:57:55 PM PDT) samyak-fonts-common
1446148676 (Thu 29 Oct 2015 12:57:56 PM PDT) jakarta-commons-collections
.......