extended time
beforehand
Another word to describe the most intelligent that ends with -est is 'smartest. ' "She is the smartest girl in the room. "
exposure time = induction period
extra hours or extended hours
another word for no time to play is buisy
Another word could be era.
time of need
extended time
timely
Hmmm, another ONE word for past and future? How about, "time."
no time
beforehand
until
Concurrent
Multiply
cupcakes