int GetHours() const;
Returns the number of hours in the current day. The range is -23 through 23.
CTimeSpan ts( 3, 1, 5, 12 ); // 3 days, 1 hour, 5 min, and 12 sec
ASSERT( ts.GetHours() == 1 );
ASSERT( ts.GetMinutes() == 5 );
ASSERT( ts.GetSeconds() == 12 );