/// <summary>
/// Determine if time for given clock time within time-interval
/// </summary>
/// <param name='clock'>
/// clock stamp from which time is extracted (in local timezone)
/// </param>
public bool Within(long clock)
{
return(Within(ZTime.TimeOf(clock)));
}
// Operations
/// <summary>
/// Determine if time for given date within time-interval
/// </summary>
/// <param name='date'>
/// date from which time is extracted (in local timezone)
/// </param>
public bool Within(ZDateTime date)
{
return(Within(ZTime.TimeOf(date)));
}