midtime

plural midtimes

1. The time that occurs in the middle; the point midway through an event, etc.

   Twas noontide of summer, And midtime of night, And stars, in their orbits, Shone pale, through the light Of the brighter, cold moon. '

   1850, Edgar Allan Poe, Edgar Allan Poe's Complete Poetical Works

   1 more example

   (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.

   1997 October 17, J. L. Elliot et al., “Triton's Distorted Atmosphere”, in Science, volume 278, number 5337, →DOI, pages 436–439