Military ammunition has crimped primer pockets for waterproofing and cannot use anything but ball bullets as specified in the Geneva convention. While civilian ammo has a wide variety of bullets,...
Literally, standard time repeats itself after the number 12 and military time continues on to the number 24, all for a total of 24 hours representation.
there is no actual formula but i have my way of worknig it out and its thisfrom the flight depature time add the relevent length of the flight time for example local time in London 1230 flight time...