C# :: Transform Seconds Into HH:MM:SS?

I am trying to transform seconds into HH:MM:SS. I thought it would be easy using the TimeSpan functions however my hours exceed 24 hours now and then therefor it is not viable for use.

private string getFormattedTimeFromSecond(double second)
{
TimeSpan t = TimeSpan.FromSeconds( second );
string answer = string.Format("{0:D2}h:{1:D2}m:{2:D2}s",
t.Hours,
t.Minutes,
t.Seconds);
}

This is what I have tried, however it does not like it much when hours exceed 24.