time is ripe
This is the right moment for something, as in The time is ripe for a revival of that play. Shakespeare used this term (and may have originated it) in 1 Henry IV (1:3): “Letters shall direct your course when time is ripe.”
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.