oneThis plural form is used for numbers like: 1
Every %1$d day
otherThis plural form is used for numbers like: everything else
Every %1$d days
Every %1$d day
Every %1$d days
Varje dag
Var %1$d:e dag
Every %1$d day
Every %1$d days
Varje dag
Var %1$d:e dag
%1$d - number