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der · Masculine (Maskulinum)A1Strong DeclensionTime & Calendar

der Dienstag

Tuesday

Nominative Sg.der Dienstag
Genitive Sg.des Dienstags
Nominative Plural
die Dienstage
Dative Pluralden Dienstagen
Gender / Plural CueDays of the week -> ALWAYS masculine (der)

Full 4-Case Declension Table

Switch determiner types to inspect how articles and noun endings change together.

Definite (der / die / das): Used for specific, already known, or general-category nouns.

Case (Fall)QuestionSingularPlural
Nominative
Nominativ (Werfall)
Wer oder was?
der Dienstag
die Dienstage
Accusative
Akkusativ (Wenfall)
Wen oder was?
den Dienstag
die Dienstage
Dative
Dativ (Wemfall)
Wem?
dem Dienstag
den Dienstagen
Genitive
Genitiv (Wesfall)
Wessen?
des Dienstags
der Dienstage

Why These Endings Work

Standard pattern for most masculine (der) and neuter (das) nouns: genitive singular ends in -s or -es.

  • Dative plural adds -n to the plural stem: Dienstage → Dienstagen.
Pattern summary: Genitive Sg adds -(e)s; Accusative/Dative Sg equal the base noun.

Example Sentences in Context

Dative

Am Dienstag habe ich erst am Nachmittag Zeit.

On Tuesday, I only have time in the afternoon.

Accusative

Den ganzen Dienstag bin ich im Büro.

I'm in the office all day Tuesday.

Interactive Tools & Related Guides

FAQs: der Dienstag

Is "Dienstag" der, die, or das in German?

"Dienstag" takes the masculine definite article "der" (der Dienstag). Gender cue: Days of the week -> ALWAYS masculine (der).

What is the plural and Dative plural of "der Dienstag"?

The Nominative plural of der Dienstag is "die Dienstage" (pattern: -e). In the Dative plural it becomes "den Dienstagen".

How does "der Dienstag" change in the Genitive, Accusative, and Dative?

As a strong masculine noun, "Dienstag" changes only in the Genitive singular (des Dienstags); Accusative and Dative keep "Dienstag".