The longest period of time in general use is probably the aeon (eon). This is usually accepted as 1 billion years. Waiting in line at the Motor Vehicle Administation This is closely following by time from the perspective of someone moving at the speed of light.
The Longest Time was created in 1983.
Proper time in special relativity refers to the time interval experienced by an observer moving along a specific path in spacetime. It is the longest possible time measured by a clock moving along that path, and is used to calculate the effects of time dilation and length contraction in relativistic scenarios.
See the link. The answer appears to be a moving target.
what animal can stand the longest time
lollipop but you can type the longest word with your right hand by moving it around the keyboard
interphase is usally the longest because the cells are always working, getting work done, and moving.
A longest time hasn't been officially recorded.
Luis rang for the longest time.
As an adverb, longest describes time and modifies a verb. For example, "He slept longest."
the systolic time interval measurements are longest at LVET.
the longest time running up stairs is 10 min