oneThis plural form is used for numbers like: 1
Every %1$d week, on %2$s
otherThis plural form is used for numbers like: everything else
Every %1$d weeks, on %2$s
Every %1$d week, on %2$s
Every %1$d weeks, on %2$s
Vsak teden na %2$s
Vsaka %1$d tedna na %2$s
Vsake %1$d tedne na %2$s
Vsakih %1$d tednov na %2$s
Every %1$d week, on %2$s
Every %1$d weeks, on %2$s
Vsak teden na %2$s
Vsaka %1$d tedna na %2$s
Vsake %1$d tedne na %2$s
Vsakih %1$d tednov na %2$s
%1$d - number, %1$d may be skipped for singular if translation looks better.
%2$s - name of week day