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Print system time in C++ (3 different ways)

Last Updated : 10 Dec, 2018
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First Method Printing current date and time using time() Second Method CPP 
// CPP program to print current date and time
// using time and ctime.
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main()
{
    // declaring argument of time()
    time_t my_time = time(NULL);

    // ctime() used to give the present time
    printf("%s", ctime(&my_time));
    return 0;
}
Output: 
It will show the current day, date and localtime, 
in the format Day Month Date hh:mm:ss Year
Third Method Here we have used chrono library to print current date and time . The chrono library is a flexible collection of types that tracks time with varying degrees of precision . The chrono library defines three main types as well as utility functions and common typedefs. -> clocks -> time points -> durations Code to print current date, day and time . CPP 
// CPP program to print current date and time
// using chronos.
#include <chrono>
#include <ctime>
#include <iostream>

using namespace std;

int main()
{
    // Here system_clock is wall clock time from
    // the system-wide realtime clock
    auto timenow =
      chrono::system_clock::to_time_t(chrono::system_clock::now());

    cout << ctime(&timenow) << endl;
}
Output: 
It will show the current day, date and localtime, 
in the format Day Month Date hh:mm:ss Year

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strftime() function in C/C++

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Surya Priy
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