上午7点整,中午12点,早上5点半,下午5点一刻,怎么用英语表示?

7:00 p.m.(sharp) 或 seven o'clock sharp in the morning
12:00 p.m.或 twelve o'clock in the daytime
5:30 a.m.或 five thirty/half past five in the morning
5:15 p.m.或 a quarter past five/five fifteen in the afternoon
5:45 或 five forty-five或 ten to six

seven o'clock in the morning
in the mid-day
half to five in the morning
a quarter past five in the afternoon
ten to six

seven o'clock in the morning
twelve o'clock in noon
five fift in the afternoon
ten to six