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decade
عقد
década
دهه
décennie
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decennio
10年 ディケイド
dekada
década
deceniu
десятилетие
on yıl
десятиліття
十年

das  Jahrzehnt
B1
Estimated CEFR level.
/ˈjaːt͡sɛnt/

🕰️ What does "das Jahrzehnt" mean?

The word das Jahrzehnt refers to a period of ten years, i.e., a decade. It's used to structure and name longer periods of time, often in historical, cultural, or personal contexts.

  • It derives from „Jahr“ (year) and „zehn“ (ten).
  • There are no different meanings based on the article, as „Jahrzehnt“ is always neuter and uses the article „das“.

⚠️ Attention: Do not confuse it with Jahrhundert (century, 100 years) or Jahrtausend (millennium, 1000 years).

📊 Grammar in Detail: Das Jahrzehnt

„Das Jahrzehnt“ is a neuter noun.

Singular Declension

Declension of "das Jahrzehnt" in Singular
CaseArticleNoun
Nominative (Subject)dasJahrzehnt
Genitive (Possessive)desJahrzehnts / Jahrzehntes
Dative (Indirect Object)demJahrzehnt / Jahrzehnte
Accusative (Direct Object)dasJahrzehnt

Note: In the Genitive case, both forms (-s and -es) are possible, but "Jahrzehnts" is more common. In the Dative case, "Jahrzehnte" is rare and more formal.

Plural Declension

Declension of "die Jahrzehnte" in Plural
CaseArticleNoun
Nominative (Subject)dieJahrzehnte
Genitive (Possessive)derJahrzehnte
Dative (Indirect Object)denJahrzehnten
Accusative (Direct Object)dieJahrzehnte

📝 Example Sentences

  1. Die 1980er waren ein prägendes Jahrzehnt für die Popmusik.
    (The 1980s were a formative decade for pop music.)
  2. In den letzten zwei Jahrzehnten hat sich die Technologie rasant entwickelt.
    (Technology has developed rapidly in the last two decades.)
  3. Wir blicken auf ein erfolgreiches Jahrzehnt zurück.
    (We look back on a successful decade.)
  4. Der Bau der Brücke dauerte fast ein ganzes Jahrzehnt.
    (The construction of the bridge took almost a whole decade.)
  5. Manche Modetrends kehren nach einigen Jahrzehnten wieder zurück.
    (Some fashion trends return after a few decades.)

💡 How to use "das Jahrzehnt"?

„Das Jahrzehnt“ is commonly used to:

  • Name periods of time: Especially in relation to culture, history, or politics (e.g., die Goldenen Zwanziger - the Golden Twenties, die 90er Jahre - the 90s). Often, the year number is used with an 'er' ending (die 80er = the decade from 1980 to 1989).
  • Describe developments: To show changes over a ten-year period (e.g., economic development, technological progress).
  • Mark personal time spans: E.g., the first decade in one's career, the decades of a marriage.

Compared to „Dekade“ (a synonym, often used more formally or scientifically), „Jahrzehnt“ is the more common word in everyday language.

🧠 Mnemonics for "das Jahrzehnt"

Article Mnemonic

Think of das Jahr (the year). A Jahrzehnt is a collection of years, and just like 'das Jahr', das Jahrzehnt is neuter. It needs the article das.

Meaning Mnemonic

A Jahrzehnt has zehn (ten) 'ends' (or beginnings!) of years within it. The number 'ten' (zehn) is right there in the word: Jahr-zehn-t.

Synonyms (Similar Meaning)

  • die Dekade: Often used synonymously, sometimes slightly more formal (decade).
  • Zeitspanne von zehn Jahren: A descriptive alternative (time span of ten years).

Antonyms (Opposites in Time Context)

  • das Jahr: A single year.
  • das Jahrhundert: A period of one hundred years (century).
  • das Jahrtausend: A period of one thousand years (millennium).
  • der Tag / die Woche / der Monat: Shorter periods of time (day / week / month).

🚨 Similar Words (Careful!)

  • der Zehnt: Refers to a fraction (1/10), not directly a period of time, although it's part of the word „Jahrzehnt“.

😄 A Little Joke

Fragt der Lehrer: „Was ist kürzer, ein Jahrzehnt oder eine Dekade?“
Schüler: „Keine Ahnung, aber meine Oma sagt immer, die letzten zehn Jahre vergingen wie im Flug!“

Teacher asks: "What's shorter, a Jahrzehnt or a Dekade?"
Student: "No idea, but my grandma always says the last ten years flew by!"

📜 A Short Poem

Zehn Jahre zieh'n ins Land,
ein Jahrzehnt, Hand in Hand.
Mal schnell, mal langsam geht die Zeit,
voller Freud und manchmal Leid.
Was gestern war, scheint längst verweht,
ein neues Jahrzehnt entsteht.

Ten years pass through the land,
a decade, hand in hand.
Sometimes fast, sometimes slow time goes,
full of joy and sometimes woes.
What was yesterday seems long gone,
a new decade starts to dawn.

❓ Riddle Time

Ich bin länger als ein Jahr,
doch kürzer als ein Jahrhundert, ganz klar.
Zehn Stück von meinem Namensvetter passen in mich rein,
welcher Zeitraum mag ich sein?

I am longer than a year,
but shorter than a century, that's clear.
Ten pieces of my namesake fit inside me,
what period of time might I be?

Solution: das Jahrzehnt (the decade)

🧩 Other Information

Word Origin (Wortherkunft)

The word „Jahrzehnt“ is a compound of:

  • Jahr: The basic unit of time measurement based on the Earth's orbit around the sun (year).
  • Zehnt: Derived from the number „zehn“ (ten), indicating the number of years.

It's a logical formation to name a specific period.

Cultural Significance (Kulturelle Bedeutung)

Decades are often associated with specific cultural movements, fashions, music styles, or political events (e.g., the "Roaring Twenties", the "technological Nineties").

📝 Summary: is it der, die or das Jahrzehnt?

The German word "Jahrzehnt" is always neuter. The correct form is das Jahrzehnt (nominative singular), des Jahrzehnts (genitive singular), and die Jahrzehnte (nominative plural). It means a period of ten years (a decade).

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