半夜midnight 前半夜the first half of the night,from nightfall to midnight,from dusk till midnight 后半夜after midnight

hm i think 半夜midnight 前半夜before midnight. last i dont know coz 后 is queen

半夜 = in the middle of the night 前半夜 and 后半夜 don't have equivalents in English. You can use whatever expression comes to mind at the time.

maybe before midnight and after midnight.. so.. really?