/* Print the remaining hours of the day * Uses the clock to get the local time * Use an iterator to iterate over the remaining hours * Retrieve the date part from a time * * Expected Output something like: * * 2002-Mar-08 16:30:59 * 2002-Mar-08 17:30:59 * 2002-Mar-08 18:30:59 * 2002-Mar-08 19:30:59 * 2002-Mar-08 20:30:59 * 2002-Mar-08 21:30:59 * 2002-Mar-08 22:30:59 * 2002-Mar-08 23:30:59 * Time left till midnight: 07:29:01 */ #include "boost/date_time/posix_time/posix_time.hpp" #include int main() { using namespace boost::posix_time; using namespace boost::gregorian; //get the current time from the clock -- one second resolution ptime now = second_clock::local_time(); //Get the date part out of the time date today = now.date(); date tomorrow = today + days(1); ptime tomorrow_start(tomorrow); //midnight //iterator adds by one hour time_iterator titr(now,hours(1)); for (; titr < tomorrow_start; ++titr) { std::cout << to_simple_string(*titr) << std::endl; } time_duration remaining = tomorrow_start - now; std::cout << "Time left till midnight: " << to_simple_string(remaining) << std::endl; return 0; } /* Copyright 2001-2004: CrystalClear Software, Inc * http://www.crystalclearsoftware.com * * Subject to the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) */