YOU SAID:
at what time do you check out
INTO JAPANESE
あなたは何時にチェックアウトしますか?
BACK INTO ENGLISH
What time do you check out?
INTO JAPANESE
何時にチェックアウトしますか?
BACK INTO ENGLISH
What time will you check out?
INTO JAPANESE
何時にチェックアウトしますか?
BACK INTO ENGLISH
What time will you check out?
That didn't even make that much sense in English.