private void button1_Click(object sender, EventArgs e)
{
DateTime now = DateTime.Now;
string h = now.Hour.ToString();
string m = now.Minute.ToString();
string d = CultureInfo.GetCultureInfo("tr-TR").DateTimeFormat.DayNames[(int)DateTime.Now.DayOfWeek];
Hours.SelectedIndex = Hours.FindStringExact(h);
Minutes.SelectedIndex = Minutes.FindStringExact(m);
day.SelectedItem = d;
}