oneThis plural form is used for numbers like: 1
1 Tag
otherThis plural form is used for numbers like: everything else
{{count}} дня
{{count}} Tage
1 Tag
{{count}} Tage
{{count}} дня
{{count}} дней
{{count}} день
{{count}} дня
1 Tag
{{count}} Tage
{{count}} Tage
{{count}} дня
{{count}} дня