oneThis plural form is used for numbers like: 1
%{count} day
otherThis plural form is used for numbers like: everything else
%{count} days
%{count} day
%{count} days
%{count} dag
%{count} dager
%{count} day
%{count} days
%{count} dag
%{count} dager
%{count} day
%{count} days