By using the time-ticks that are used internally to represent DateTimes, you get the most accurate values that are possible. Since these time ticks do not restart at zero at midnight, you will not have problems at day boundaries.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.