YOU SAID:
It's 11:30 at night! Hooray!!
INTO JAPANESE
夜は11時30分です。万歳!
BACK INTO ENGLISH
The night is at 11:30. Banzai!
INTO JAPANESE
夜は11:30です。バンザイ!
BACK INTO ENGLISH
The night is at 11:30. Banzai!
That didn't even make that much sense in English.