YOU SAID:

When I have an early class I leave at 7 am

INTO JAPANESE

早朝に午前7時に出発します。

BACK INTO ENGLISH

I will leave at 7 am early in the morning.

INTO JAPANESE

私は午前7時に早朝に出発します。

BACK INTO ENGLISH

I am leaving early in the morning at 7 am.

INTO JAPANESE

私は午前7時に早朝に出発します。

BACK INTO ENGLISH

I am leaving early in the morning at 7 am.