int main()
{
  char currDate[24];
  char currTime[22];

  sprintf(currDate, "Current Date: 20%02d/%02d/%02d", 13, 12, 11);
  sprintf(currTime, "Current Time: %02d:%02d:%02d", 23, 24, 25);

  printf("%s\n%s", currDate, currTime);
}

Current Date: 2013/12/11Current Time: 23:24:25
Current Time: 23:24:25