Rikkitic: Only fuzzy-brained Anglo types use the archaic am/pm designations anyway. The advanced nations of the world do not have to re-use the same numbers because they can't count past 12. They know how to tell time the grown-up way, with the 24 hours god intended. There can be no mistaking 0600 hours with 1800, even at the South Pole.
Fred99: The actual position of the axis of rotation wobbles by about 9 metres.
God made the Earth this way to confound people involved in discussions like this.
People who insist on bringing invisible friends into conversations.