UTC 시간을 Locale 시간으로 변환

	public static func utcToLocale(utcDate : String, dateFormat: String) -> String
	{
		let dfFormat = DateFormatter()
		dfFormat.dateFormat = dateFormat
		dfFormat.timeZone = TimeZone(abbreviation: "UTC")
		let dtUtcDate = dfFormat.date(from: utcDate)
		
		dfFormat.timeZone = TimeZone.current
		dfFormat.dateFormat = dateFormat
		return dfFormat.string(from: dtUtcDate!)
	}

Locale 시간을 UTC 시간으로 변환

	
	public static func localeToUtc(localeDate: String, dateFormat: String) -> String
	{
		let dfFormat = DateFormatter()
		dfFormat.dateFormat = dateFormat
		dfFormat.timeZone = TimeZone.current
		let dtLocaleDate = dfFormat.date(from: localeDate)
		
		dfFormat.timeZone = TimeZone(abbreviation: "UTC")
		dfFormat.dateFormat = dateFormat
		return dfFormat.string(from: dtLocaleDate!)
	}