#include <windows.h>
#include <stdio.h>

void ShowSystemTime(void);

#define	SLEEPTIME	(1500)			// 時間を進める間隔[msec]

int main(void)
{
	SYSTEMTIME systime;
	int i = 0;
	int j = 0;

	GetSystemTime(&systime);		// 現在日時の取得
	ShowSystemTime();				// 現在日時の表示

	//システム日時の設定
	systime.wHour = 0;
	systime.wMinute = 0;
	systime.wSecond = 0;
	systime.wMilliseconds = 0;

	for(i = 0; i < 24; i++){
		for(j = 0; j < 60; j++){
			SetSystemTime(&systime);
			ShowSystemTime();
//			printf("Minute Add(%d + 1)\n", systime.wMinute);
			systime.wMinute++;
			systime.wSecond = 0;
			Sleep(SLEEPTIME);
		}
//		printf("Hour Add(%d + 1)\n", systime.wHour);
		systime.wMinute = 0;
		systime.wHour++;
	}

	return 0;
}

void ShowSystemTime(void)
{
	char *week[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
	SYSTEMTIME systime;

	GetSystemTime(&systime);

	printf("%d/%d/%d(%s) %d:%d:%d'%d\n",systime.wYear
		,systime.wMonth
		,systime.wDay
		,week[systime.wDayOfWeek]
		,systime.wHour
		,systime.wMinute
		,systime.wSecond
		,systime.wMilliseconds
	);
}