Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for час
Case
Singular
Plural
Nominative
час
часы
Accusative
час
часы
Genitive
часа
часов
Dative
часу
часам
Instrumental
часом
часами
Prepositional
часеLocative/time expression:часуAccepted in practice
часах
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.
Nominative · Pluralчас → часы
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.
Show all case-build notes
Nominative · Singularчас
This is the dictionary form used to identify the noun.Nominative · Pluralчас → часы
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Accusative · Singularчас → час
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Accusative · Pluralчас → часы
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Genitive · Singularчас → часа
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Genitive · Pluralчас → часов
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Dative · Singularчас → часу
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Dative · Pluralчас → часам
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Instrumental · Singularчас → часом
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Instrumental · Pluralчас → часами
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Prepositional · Singularчас → часе
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Prepositional · Pluralчас → часах
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.