public static void Main()
Int64 [] values = { 1, 7, 30, 365, 1000, 2500, 10000, 15000, 32767 };
Console.WriteLine("{0,21}{1,18}","Seconds", "TimeSpan");
Console.WriteLine("{0,21}{1,18}","-------", "--------");
foreach (Int64 value in values)
TimeSpan interval = value.Seconds();
string timeInterval = interval.ToString();
int pIndex = timeInterval.IndexOf(':');
pIndex = timeInterval.IndexOf('.', pIndex);
if (pIndex < 0) timeInterval += " ";
Console.WriteLine("{0,21}{1,26}", value, timeInterval);