The past is the set of all events that occurred before a given point in time.- Past
2-5) makes the appearance that of two right circular cones meeting with their apices at O. One cone extends into the future (t>0), the other into the past (t<0).- Spacetime
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Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future.
The physical nature of time is addressed by general relativity with respect to events in spacetime.
The future is the time after the past and present.
Physicists argue that spacetime can be understood as a sort of stretchy fabric that bends due to forces such as gravity.