YOU SAID:
What was the time he thought he left the house yesterday
INTO JAPANESE
彼が昨日家を出たと思った時は何時ですか
BACK INTO ENGLISH
What time does he think he left home yesterday?
INTO JAPANESE
彼は昨日何時に家を出たと思いますか?
BACK INTO ENGLISH
What time do you think he left home yesterday?
INTO JAPANESE
彼は昨日何時に家を出たと思いますか?
BACK INTO ENGLISH
What time do you think he left home yesterday?
That's deep, man.