P.S. This also solved the 2nd problem I noted above, that in the calendar display, when you chose to display a 2nd "time in other locations" (System Settings --> Time & Date --> Clock) that that 2nd date would not display when its DATE was not the same as the DATE in the selected time zone (a few hours per day). It does display with the change I made to the /etc/default/locale file.
P.S. This also solved the 2nd problem I noted above, that in the calendar display, when you chose to display a 2nd "time in other locations" (System Settings --> Time & Date --> Clock) that that 2nd date would not display when its DATE was not the same as the DATE in the selected time zone (a few hours per day). It does display with the change I made to the /etc/default/locale file.