YOU SAID:
School starts at nine
INTO JAPANESE
学校は9時から始まります
BACK INTO ENGLISH
School starts at 9 o'clock
INTO JAPANESE
学校は9時に始まります
BACK INTO ENGLISH
School starts at 9:00
INTO JAPANESE
学校は9:00から始まります
BACK INTO ENGLISH
School starts at 9:00
Well done, yes, well done!