Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for день
Case
Singular
Plural
Nominative
день
дни
Accusative
день
дни
Genitive
дня
дней
Dative
дню
дням
Instrumental
днём
днями
Prepositional
дне
днях
Form pattern
How the forms are built
The paradigm above is authoritative. These notes expose a transparent ending change only when the stored declension family supports one.
Genitive · Singularдень → дня
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.
Show all case-build notes
Nominative · Singularдень
This is the dictionary form used to identify the noun.Nominative · Pluralдень → дни
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Accusative · Singularдень → день
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Accusative · Pluralдень → дни
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Genitive · Singularдень → дня
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Genitive · Pluralдень → дней
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Dative · Singularдень → дню
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Dative · Pluralдень → дням
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Instrumental · Singularдень → днём
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Instrumental · Pluralдень → днями
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Prepositional · Singularдень → дне
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Prepositional · Pluralдень → днях
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.