noontime

noun

1. Noon.
2. Approximately noon.

   “the noontime hours”

3. (figuratively)The time at which something peaks in some way (e.g., in vitality, in influence, in reknown) (by analogy with the waxing of the sun each day).

   “We should so organize our rank and mobilize our forces that our influence may not be dissipated before the advancing hosts of quackery and ignorance. This we can do effectively if only the wise and successful ones among our leaders can be induced to forgo the dolce far niente of the noontime of their lives.”