英语当中可以写half past seven o'clock吗?

英语当中可以写half past seven o'clock吗? half past half past 我5：30下班用英语可以这样说吗：I am off duty at five past half.如题. It's half past five.希望英语高手们帮帮忙. you must be home at half past ten.是否也可以you must come home at half past ten. at half past six 什么时候用half past it 's half past half past seven, it's half past half past nine half past five. It's half past it’s half past at half past half past eight 翻译 Tt's half past