oneThis plural form is used for numbers like: 1
1 day
otherThis plural form is used for numbers like: everything else
{{count}} dnů
1 day
{{count}} days
1 day
{{count}} days
1 den
{{count}} dnů
1 den
{{count}} dnů
1 day
{{count}} days
{{count}} dnů
1 day
{{count}} days
{{count}} dnů