example.swift

/** Method to display a textual representation of Date*/
func getDateAsString(date:Date, utc:Bool? = false) -> String {
	var calendar:Calendar = Calendar.init(identifier: .gregorian)
	if utc! {
		calendar.timeZone = TimeZone.init(abbreviation: "UTC")!
	}
	let dc:DateComponents = calendar.dateComponents([.year, .month, .day, .hour, .minute, .second], from: date)
	return String(format: "%d/%02d/%02d %02d:%02d:%02d", dc.year!, dc.month!, dc.day!, dc.hour!, dc.minute!, dc.second!)
}

do {
	let smc:SunMoonCalculator = try SunMoonCalculator(date: Date(), longitude: 98.76543, latitude: 12.34567)
	smc.calcSunAndMoon()
	print(" - - Sun - -")
	print("Azimuth:\t\t\(Float(smc.sunAzimuth.toDegrees))\u{00b0}")
	print("Elevation:\t\t\(Float(smc.sunElevation.toDegrees))\u{00b0}")
	print("Distance:\t\t\(Float(smc.sunDistance)) AU")
	print("Rise:\t\t\t\(getDateAsString(date: try SunMoonCalculator.getDate(jd: smc.sunRise)))")
	print("Set:\t\t\t\(getDateAsString(date: try SunMoonCalculator.getDate(jd: smc.sunSet)))")
	print("Transit:\t\t\(getDateAsString(date: try SunMoonCalculator.getDate(jd: smc.sunTransit))) (max. elevation \(Float(smc.sunTransitElevation.toDegrees))\u{00b0})")
	print(" - - Moon - -")
	print("Azimuth:\t\t\(Float(smc.moonAzimuth.toDegrees))\u{00b0}")
	print("Elevation:\t\t\(Float(smc.moonElevation.toDegrees))\u{00b0}")
	print("Distance:\t\t\(Float(smc.moonDistance * SunMoonCalculator.AU)) km")
	print("Age:\t\t\t\(Float(smc.moonAge)) days")
	print("Illumination:\t\(Float(smc.moonIllumination * 100))%")
	print("Phase:\t\t\t\(smc.moonPhase)")
	print("Rise:\t\t\t\(getDateAsString(date: try SunMoonCalculator.getDate(jd: smc.moonRise)))")
	print("Set:\t\t\t\(getDateAsString(date: try SunMoonCalculator.getDate(jd: smc.moonSet)))")
	print("Transit:\t\t\(getDateAsString(date: try SunMoonCalculator.getDate(jd: smc.moonTransit))) (max. elevation \(Float(smc.moonTransitElevation.toDegrees))\u{00b0})")
} catch {
	print("Failure!!!")
}