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Код: Выделить всё

18:27:28.032 UTC Wed Dec 9 1998
21:04:33.433 +0300 Sat Nov 05 2011
21:04:33.433 MSK Sat Nov 05 2011
21:04:33.433 EST5EDT Sat Nov 05 2011

Код: Выделить всё

#define _XOPEN_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>

const char *abmon[] =   {
    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};

int main(void)
{
    struct tm tm;
    struct tm ut;
    time_t curtime;
    int i, len, hour, min, sec, usec, mday, year;
    char wday[3], mon[3], tz[10];
    char in[255]="21:04:33.433 MSK Sat Nov 05 2011";

    sscanf( in, "%d:%d:%d.%d %s %s %s %d %d", &hour, &min, &sec, &usec, &tz, &wday, &mon, &mday, &year );
    tm.tm_hour = hour;
    tm.tm_min = min;
    tm.tm_sec = sec;

    tm.tm_mday = mday;
    tm.tm_year = year - 1900;

    for (i = 0; i < 12; i++) {
        len = strlen(abmon[i]);
        if (strncasecmp(abmon[i], mon, len) == 0)
            break;
    }

    tm.tm_mon = i;
    tm.tm_isdst = -1;

    setenv("TZ",tz,1);

    curtime = mktime( &tm );
    //curtime = mktime( &tm ) + usec / 1000;

    tzset();
    printf("timezone = %d, daylight = %d, tzname[0]/tzname[1] = %s/%s\n", timezone, daylight, tzname[0], tzname[1] );

    printf("UnixTime: %d\n", curtime);

    printf( "in:   %s / %s\n", in, asctime( &tm ) );

    gmtime_r( &curtime, &ut );

    strftime(buf, sizeof(buf), "%H:%M:%S %Z %a %b %d %Y", &ut);
    printf("Output: %s\n", buf);

    unsetenv("TZ");
    exit(EXIT_SUCCESS);
}

Код: Выделить всё

timezone = 0, daylight = 0, tzname[0]/tzname[1] = MSK/
UnixTime: 1320527073
in:   21:04:33.433 MSK Sat Nov 05 2011 / Sat Nov  5 21:04:33 2011

Output: 21:04:33 GMT Sat Nov 05 2011

Код: Выделить всё

21:04:33.433 Europe/Moscow Sat Nov 05 2011