The general trend or direction in which society, culture, or events are moving over time; the way things are going in a given era.
時代の流れに合わせて、働き方もだいぶ変わってきた。
Work styles have changed considerably to match the flow of the times.
歴史を学ぶと、各時代の流れがよく見えてくる。
When you study history, the trends of each era become clear.
ファッションの流行は時代の流れとともに移り変わる。
Fashion trends change along with the times.
彼は時代の流れを読むのが上手だ。
He's good at reading the direction of the times.