Difference between “当…时”, “…的时候”, and “当…的时候”?

Question

What is the difference between : > “当…时” and > “…的时候” and > “当…的时候” when refer to "when" in Chinese? I have tried to look for an answer but I couldn't find a clear one.

Answer 1

Difference between “当…时”, “…的时候”, and “当…的时候”?

...的时候 means "when....". It's used for daily speech.

当...时 and 当...的时候. The same meaning is generally used when referring to the past.

Answer 2

The meaning is the same with all three; the difference is primarily a matter of register: 当...时 is the most formal; 当...的时候 next, and ...的时候 the most colloquial.

Answer 3

当...的时候=when

当...时=as

...的时候=when， normally

short time