public ThoiGian(ThoiGian tg)
{
Ngay = tg.Ngay;
Thang = tg.Thang;
Nam = tg.Nam;
Gio = tg.Gio;
Phut = tg.Phut;
Giay = tg.Giay;
TichTac = tg.TichTac;
}
static void Main(string[] args)
{
System.DateTime currTim = System.DateTime.Now;
ThoiGian t1 = new ThoiGian(currTim);
t1.ThoiGianHienTai();
ThoiGian t2 = new ThoiGian(t1);
t2.ThoiGianHienTai();
Console.ReadLine();
}