Print the current date + time in UTC using boost::date_time

CMakeLists.txt

cmake_minimum_required(VERSION 2.8.8)

project(datetime)

find_package(Boost COMPONENTS date_time REQUIRED)
include_directories(${Boost_INCLUDE_DIRS})

add_executable(datetime datetime.cpp)

target_link_libraries(datetime ${Boost_LIBRARIES})

datetime.cpp

#include <iostream>

// Not sure if this function is really needed.
namespace boost { void throw_exception(std::exception const & e) {} }

// Includes
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/date_time/local_time_adjustor.hpp>
#include <boost/date_time/c_local_time_adjustor.hpp>

int main(int argc, char *argv[])
{
    // Code
    using boost::posix_time::ptime;
    using boost::posix_time::second_clock;
    using boost::posix_time::to_simple_string;
    using boost::gregorian::day_clock;

    ptime todayUtc(day_clock::universal_day(), second_clock::universal_time().time_of_day());
    std::cout << to_simple_string(todayUtc) << std::endl;

    // This outputs something like:   2014-Mar-07 12:56:55

    return 0;
}