#include <stdio.h> #include <time.h> int main() { struct tm date = {0}; date.tm_year = 2025 - 1900; date.tm_mon = 0; // January date.tm_mday = 1; mktime(&date); char days[7][10] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; printf("%s", days[date.tm_wday]); return 0; }