The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference, 2nd Edition
by Nicolai M. Josuttis, Addison Wesley Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#include <chrono>
#include <iostream>
#include "timepoint.hpp"
int main()
{
auto tp1 = makeTimePoint(2010,01,01,00,00);
std::cout << asString(tp1) << std::endl;
auto tp2 = makeTimePoint(2011,05,23,13,44);
std::cout << asString(tp2) << std::endl;
}