Convert time_t value to tm structure as UTC time: how to use gmtime


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

#define PST (-8)
#define CET (1)
#define BJ (8)

int main ()
{
  time_t rawtime;
  struct tm *p;

  time ( &rawtime );

  p = gmtime ( &rawtime );

  printf ("Time in Los Angeles: %2d:%02d\n", p->tm_hour+PST, p->tm_min);
  printf ("Time in Berlin:      %2d:%02d\n", p->tm_hour+CET, p->tm_min);
  printf ("Time in Bei Jing:   %2d:%02d\n", p->tm_hour+BJ, p->tm_min);
  
  return 0;
}

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Convert time_t value to tm structure as UTC time: how to use gmtime : Time Date « Development « C / ANSI-C

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