lst-0945-book.cpp
// https://godbolt.org/z/19vf9jfTM
#include <chrono>
#include <iostream>
using namespace std::chrono;
int main() {
for (int mo = 1; mo <= 12; ++mo) {
year_month_weekday patch_tues{mo/Tuesday[2]/2024y};
year_month_day ymd{sys_days{patch_tues}};
std::cout << ymd.month() << " " << ymd.day() << "\n";
}
}