PWMParabola

This is a parabolic fade up to a given value. This value is held until the fade is reversed.
 * Start hour - Hour value for the start time of the Slope
 * Start minute - Minute value for the start time of the Slope
 * End hour - Hour value for the end time of the Slope
 * End minute - Minute value for the end time of the Slope
 * Start percentage - Starting strength of lights in %
 * End percentage - Peak strength of lights in %. This is the Peak strength of the fade, and will reverse back to the start percentage from this point.
 * default value.

Code:
{

ReefAngel.PWM.SetDaylight( PWMParabola(9,0,20,0,15,100,60,15) ); // Type of Fade, StartHour, StartMinute, EndHour, EndMinute, Start Percentage,End, Default Value

}