星期 早晚 几点几分在英语中一起出现时前用什么介词?

星期用on,早晚用in,但noon,midnight和night用at,几点几分用atI had a piano lesson【】Last sunday ten o'clock.[要是前面就给一个空呢？填什么介词啊？]应说I had a piano lesson at ten o'clock last Sunday.才对啊。last Sunday前是零冠词，即无冠词。