C Exercises: Convert a time_t object to calendar time expressed as local time
C Date Time: Exercise-7 with Solution
Write a program in C to convert a time_t object to calendar time expressed as local time.
Sample Solution:
C Code:
#define __STDC_WANT_LIB_EXT1__ 1
#include <stdio.h>
#include <time.h>
int main(void)
{
time_t t = time(NULL);
printf("\nThe calendar time expressed as a local Time is :");
printf("\nUTC: %s", asctime(gmtime(&t)));
printf("local: %s\n", asctime(localtime(&t)));
#ifdef __STDC_LIB_EXT1__
struct tm buf;
char str[26];
asctime_s(str,sizeof str,gmtime_s(&t, &buf));
printf("UTC: %s", str);
asctime_s(str,sizeof str,localtime_s(&t, &buf)));
printf("local: %s", str);
#endif
}
Sample Output:
The calendar time expressed as a local Time is : UTC: Thu Aug 03 11:15:59 2017 local: Thu Aug 03 16:45:59 2017
N.B.: The result may varry for your current system date and time.
Flowchart:

C Programming Code Editor:
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