here and now vs hereat

here and now

adv

  • At this time and in this place. 

noun

  • The present situation. 

  • The current state of one's own life. 

hereat

adv

  • At this time; upon this event. 

  • At this; because of this. 

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