date vs working day

date

noun
  • A specific day in time at which a transaction or event takes place, or is appointed to take place; a given point of time. 

  • The date palm. 

  • The addition to a writing, inscription, coin, etc., which specifies the time (especially the day, month, and year) when the writing or inscription was given, executed, or made. 

  • A romantic meeting or outing with a lover or potential lover, or the person so met. 

  • One's companion for social activities or occasions. 

  • A pre-arranged meeting. 

  • The fruit of the date palm, Phoenix dactylifera, somewhat in the shape of an olive, containing a soft, sweet pulp and enclosing a hard kernel. 

  • A point in time. 

  • Assigned end; conclusion. 

verb
  • To have a steady relationship with; to be romantically involved with. 

  • To determine the age of something. 

  • To note the time or place of writing or executing; to express in an instrument the time of its execution. 

  • To take (someone) on a date, or a series of dates. 

  • To have a steady relationship with each other; to be romantically involved with each other. 

  • To have beginning; to begin; to be dated or reckoned. 

  • To make or become old, especially in such a way as to fall out of fashion, become less appealing or attractive, etc. 

  • To note or fix the time of (an event); to give the date of. 

working day

noun
  • The part of a day in which work is done; the number of hours one must work per day for a specified wage. 

  • Any of those days of a week on which work is done, officially Monday to Friday in many countries (even though many people work on weekends). 

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