expression
at that time; then; at that moment
Refers to a specific point in time previously mentioned or understood from context. Used as a temporal adverbial phrase.
その時、電話が鳴った。
At that moment, the phone rang.
私はその時まだ学生でした。
I was still a student at that time.
あの時 also means 'at that time' but carries a stronger sense of distance or reminiscence, often used for past events that feel emotionally distant.
その頃 refers to a broader period around that time, not a specific moment.
Compound of その (demonstrative 'that') and 時 (とき, 'time').