The time that occurs in the middle; the point midway through an event, etc.
October 17, (i) The peak of the central flash occurs about 2 s later than the midtime between the half-light times, and (ii) the slope of the light curve is shallower before the peak of the central flash than afterward.
1850, Edgar Allan Poe, Edgar Allan Poe's Complete Poetical Works Chapter , Twas noontide of summer, And midtime of night, And stars, in their orbits, Shone pale, through the light Of the brighter, cold moon. '