[C#] TimeSpan 練習

1. Console.WriteLine(DateTime.Now.ToUniversalTime().AddHours(8).ToShortTimeString());
2. 
   
3.             //TimeSpan
4.             DateTime t1 = new DateTime(1980,1,1,0,0,0);
5.             DateTime t2 = DateTime.Now;
6.             //int spent = new TimeSpan(t2.Ticks - t1.Ticks).Hours;
7.             TimeSpan ts = t2 - t1;
8.             Console.WriteLine(ts.Days);