#include <iostream>

#include <ctime>  // Import the ctime library

using namespace std;

int main () {

  // Create the datetime structure and use mktime to fill in the missing members

  struct tm datetime;

  datetime.tm_year = 2023 - 1900; // Number of years since 1900

  datetime.tm_mon = 12 - 1; // Number of months since January

  datetime.tm_mday = 17;

  datetime.tm_hour = 0; datetime.tm_min = 0; datetime.tm_sec = 0;

  datetime.tm_isdst = -1;

  mktime(&datetime);

​

  string weekdays[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

​

  cout << "The date is on a " << weekdays[datetime.tm_wday];

​

  return 0;

}

​