broad daylight vs daytime

broad daylight

noun
  • Abundant natural illumination in daytime, producing clear visibility. 

daytime

noun
  • The time of daylight; the time between sunrise and sunset. 

adj
  • Happening during the day. 

  • Pertaining to daytime; appropriate to the day. 

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