Get local time

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

void getLocalTime(time_t sec){
  printf("GetDateTime3:\t");
  char timeStr[20] = {0};
  struct tm *dateTime = localtime(&sec);
  sprintf(timeStr, "%d-%02d-%02d %02d:%02d:%02d",
          dateTime->tm_year + 1900,
          dateTime->tm_mon + 1,
          dateTime->tm_mday,
          dateTime->tm_hour,
          dateTime->tm_min,
          dateTime->tm_sec);
  printf("%s\n", timeStr);
}