時代

じだい

age, period, epoch, era

JLPT N4

Character Breakdown

Meaning and Usage

"時代" (じだい) refers to a specific period or era in history or life. It is often used to talk about cultural, technological, or social changes over time.

Common Contexts

You will see "時代" used when discussing history, changes in society, or contrasting past and present. For example, "昔の時代" means "the old days," and "現代の時代" means "the modern era."

Collocations and Patterns

  • 時代が変わる (じだいがかわる): "the times change" — used to express shifts in society or culture.
  • 時代の流れ (じだいのながれ): "the flow of the times" — refers to the progression of history or trends.
  • 昔の時代 (むかしのじだい): "the old days" — used to refer nostalgically or historically to the past.

Register and Nuance

"時代" is a neutral term suitable for both formal and informal contexts. It is commonly used in conversation, writing, and media.

Common Learner Mistake

Learners sometimes confuse "時代" with "時間" (じかん), which means "time" as a measurable quantity. Remember, "時代" refers to a broader period or era, not a specific moment or duration.

Example Sentences

このじだいはぎじゅつのしんぽがはやかった。

This era saw rapid technological progress.

じだいがかわると、ひとびとのかんがえかたもかわる。

When the times change, people's way of thinking also changes.

むかしのじだいのせいかつはいまとはぜんぜんちがう。

Life in the old days was completely different from now.