>>And midnight may be 24:00 or 00:00 (I keep insisting on the civilian colon, not the military *hundred), depending :). In the parlance of European railway schedules, a train arrives at 24:00 while another departs at the same moment, at 0:00. IOW, end-of-day is 24:00, start-of-day is 0:00.
>
>ZULU?

If it rings a tiny bell somewhere, that bell is not shiny. It's more of drab-olive-khaki-cammo non-color.