Java Working Day Function

public static boolean working_day()
{
boolean b;
Calendar c = Calendar.getInstance();
c.setTimeInMillis(System.currentTimeMillis());
int year = c.get(Calendar.YEAR) - 1911;
int hour = c.get(Calendar.HOUR_OF_DAY);//14
int minute = c.get(Calendar.MINUTE);//45
int week = c.get(Calendar.DAY_OF_WEEK);// 星期天1 星期六7 1-6
if (week == 2||week == 3||week == 4||week == 5||week == 6) {
b = true;
}
else
{
b = false;
}

return b;
}