/// <summary>
/// Calculate prayer time for asr.
/// </summary>
private static double ComputeAsrTime(double jd, int juristicTimeOfShadow, double latitude)
{
var dayFraction = AstronomyMath.GetDayFraction(AsrDefaultTime);
var sunDeclination = AstronomyMath.ComputeSunDeclination(jd + dayFraction);
var angle = -AngleMath.InverseCotangentInDegree(juristicTimeOfShadow + AngleMath.TangentOfDegree(Math.Abs(latitude - sunDeclination)));
var asrTime = AstronomyMath.ComputeSolarTime(jd, dayFraction, angle, latitude, Direction.Clockwise);
return(asrTime);
}
// ReSharper disable once InconsistentNaming
public void TestComputeSunDeclinationOnApril12th2018()
{
var sd = AstronomyMath.ComputeSunDeclination(Jd + 0.5416666666666666);
Assert.Equal(8.680557660849296, sd);
}
