Small. Fast. Reliable.
Choose any three.
*** 143,148 ****
--- 143,152 ----
  
    SELECT julianday('now') - julianday('1066-10-14','gregorian');
  
+ Compute the number of seconds between two dates:
+ 
+   SELECT julianday('now')*86400 - julianday('2004-01-01 02:34:56')*86400;
+ 
  Compute the date of the first Tuesday in October for the current
  year.