Dear all. I am trying to get New York time in time_t epoch now. my PC is set to Sydney time. please help thanks here is my effort fro the last 4 hours. #include <fstream> #include <ios> #include <iostream> #include <string> #include "boost/date_time/local_time/local_time.hpp" #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" using namespace std; int main(){ using namespace boost::gregorian; using namespace boost::local_time; using namespace boost::posix_time; // now time is ptime now = second_clock::local_time(); // current PC time cout << "Your computer time is: " << now << endl; // typedef boost::date_time::c_local_adjustor<ptime> local_adj; // // create a sydney time // ptime sydtime(date(2007,02,07), hours(12)+minutes(9)+seconds(32)); // cout << "Sydney local time is: " << to_simple_string( sydtime ) << endl; // load time zone conversion date form file tz_database tz_db; tz_db.load_from_file("../date_time_zonespec.csv"); time_zone_ptr nyc_tz = tz_db.time_zone_from_region("America/New_York"); time_zone_ptr syd_tz = tz_db.time_zone_from_region("Australia/Sydney"); // create a sydney time from date and time_duration date in_date(2007,02,07); time_duration td(12,25,32); local_date_time sydtime(in_date, td, syd_tz, local_date_time::NOT_DATE_TIME_ON_ERROR); cout << "Sydney time is: " << sydtime << endl; cout << "in UTC it is: " << sydtime.utc_time() << endl; // // convrt sydney to utc // ptime syd_t_utc = local_adj::local_to_utc( sydtime ); // cout << "UTC time is: " << to_simple_string( syd_t_utc ) << endl; // // conver it to new york // time_zone_ptr nyc_tz = tz_db.time_zone_from_region("America/New_York"); // ptime nytime = nyc_tz::utc_to_local( nyc_tz ); // cout << "New York local time is: " << to_simple_string( nyctime ) << endl; } --------------------------------- Any questions? Get answers on any topic at Yahoo! Answers. Try it now.