code: public boolean isExceptionAtThisTime() {
          Time now = new Time();
          for (TimeSpan span : timesOfDay) {
              if (span.isWithin(now)) {
                  return true;
              }
          }
          return false;
      }
docs: If the current time is configured as an exception.
  
  @return true if so.
  @see #timesOfDay