high noon vs noon

high noon

noun
  • Exactly noon; midday (when the sun is at its highest). 

  • A time, set out in advance, at which an important decision is to be made or a nemesis is to be confronted 

  • The zenith or apex of one's life or of a certain activity or era. 

noon

noun
  • The time of day when the sun is in its zenith; twelve o'clock in the day, midday. 

  • The highest point; culmination. 

  • The letter ن in the Arabic script. 

verb
  • To relax or sleep around midday 

How often have the words high noon and noon occurred in a corpus of books? (source: Google Ngram Viewer )