anchor.diff:  
   Similarly, dates are constructed with `new-date`, a function which has 3 forms. The first, and most common form, requires 3 arguments: the year, month and day (of the month).
   
  +.Creating a date value
   ====
   JUXT was incorporated on March 22nd, 2013. We can create this date with `new-date` like this:
   
  
positive.code: 
  .reify
  ****
  The word 'reify' means to 'make concrete'.
  
  You can think of a *time* (or a *date*) as being a partially defined *date-time*.
  ****
  
  ====
  If we have a date of `1918-11-11`, we can construct a *date-time* by giving the time of 11am with `at`:
  
  
negative.code: 
  Time values are constructed with `new-time`.
  
  .Creating a time value
  ====
  To create the time 11 o'clock am:
  
  