RosettaCodeData/Task/Date-manipulation/C/date-manipulation-1.c

20 lines
344 B
C

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main()
{
struct tm ts;
time_t t;
const char *d = "March 7 2009 7:30pm EST";
strptime(d, "%B %d %Y %I:%M%p %Z", &ts);
/* ts.tm_hour += 12; instead of t += 12*60*60
works too. */
t = mktime(&ts);
t += 12*60*60;
printf("%s", ctime(&t));
return EXIT_SUCCESS;
}