Elizabeth I dies and James VI of Scotland accedes to the English throne. Elizabeth I died childless so was succeeded by her cousin, James VI of Scotland, who henceforth assumed the title of James I of England as well.
T minus zero means out of time.. This comes from a countdown convention used in by both the American military and NASA. Generally, it is used when counting down to a major event that will happen at a specific time. Mathematically, T is time, minus whatever amount of time is left until the event happens.
Twilight comes just before the night falls. The prefix twi- might be a clue that twilight happens twice a day, or it could mean half, as in the half-light of this time. Something that is declining can be described as twilight â like the twilight of the trend of wearing plastic clogs favored by nurses and chefs.