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davalend

Current Time

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what programming language do you want to use? in python, this would display your time

import time
time.ctime().split()[3]

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More or less ISO 8601.

ISO C

#include <time.h>
#include <stdio.h>

void print_time(void)
{
struct tm * tm;
time_t t;
char s[100];

t = time(NULL);
tm = localtime(&t);
strftime(s, sizeof s, "%Y-%m-%dT%H:%M:%S%z", tm);
puts(s);
}

Win32

#include <stdio.h>
#include <windows.h>

void print_time(void)
{
SYSTEMTIME st;
TIME_ZONE_INFORMATION tz;

GetLocalTime(&st);
GetTimeZoneInformation(&tz);

printf("%.4hu-%.2hu-%.2huT%.2hu:%.2hu:%.2hu%+.2ld:%.2ld\n",
st.wYear, st.wMonth, st.wDay,
st.wHour, st.wMinute, st.wSecond,
tz.Bias / 60, +tz.Bias % 60);
}

Java

import java.util.*;
import java.text.*;

public class T
{
public static void printTime()
{
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
StringBuffer sb = new StringBuffer();

df.format(new Date(), sb, new FieldPosition(0));
System.out.println(sb.toString());
}
}

C#

using System;

public class T
{
public static void PrintTime()
{
Console.WriteLine(DateTime.Now.ToString("yyyy-MM-dd'T'HH:mm:sszzzz"));
}
}

SML

fun printTime () =
let
val d = Date.fromTimeLocal (Time.now ())
val f = Date.fmt "%Y-%m-%dT%H:%M:%S\n" d
in
print f
end

Common Lisp

(defun print-time ()
(multiple-value-bind (second minute hour day month year weekday ds tz)
(get-decoded-time)
(format t "~4,'0d-~2,'0d-~2,'0dT~2,'0d:~2,'0d:~2,'0d~2,'[email protected]"
year month day hour minute second tz)))

Edited by jcl

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my first code did not actually print the time, this does

import time
print time.ctime()

python sure seems simplest.

Edited by shanenin

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cmd.exe

> date /t

(*sh are shorter of course but AFAIK none of them have date as a built-in command.)

Edited by jcl

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