In this article we are going to convert UTC Date format to Current device date format.
UTC is the time standard commonly used across the world. The world's timing centers have agreed to keep their time scales closely synchronized - or coordinated - therefore the name Coordinated Universal Time.
I know that you guys are totally confused of this date Timezone conversions.
Here we simply use following method to convert UTC to local.
In above method we can customize date formats as per our usage. But the input date format must be same format as input date string.
UTC is the time standard commonly used across the world. The world's timing centers have agreed to keep their time scales closely synchronized - or coordinated - therefore the name Coordinated Universal Time.
I know that you guys are totally confused of this date Timezone conversions.
Here we simply use following method to convert UTC to local.
UTC to Local:
Use the following method for converting:func UTCToLocal(UTCDateString: String) -> String { let dateFormatter = DateFormatter() dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss" //Input Format dateFormatter.timeZone = NSTimeZone(name: "UTC") as TimeZone! let UTCDate = dateFormatter.date(from: UTCDateString) dateFormatter.dateFormat = "yyyy-MMM-dd hh:mm:ss" // Output Format dateFormatter.timeZone = TimeZone.current let UTCToCurrentFormat = dateFormatter.string(from: UTCDate!) return UTCToCurrentFormat }
Usage:
Call above method as follow:let dateString = "2017-10-10 9:56:25" let date = self.UTCToLocal(UTCDateString: dateString) //output date should be '2017-10-10 15:26:25'
In above method we can customize date formats as per our usage. But the input date format must be same format as input date string.
Local to UTC:
Use the following method for converting:func localToUTC(date:String) -> String { let dateFormatter = DateFormatter() dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss" dateFormatter.calendar = NSCalendar.current dateFormatter.timeZone = TimeZone.current let dt = dateFormatter.date(from: date) dateFormatter.timeZone = TimeZone(abbreviation: "UTC") dateFormatter.dateFormat = "yyyy-MMM-dd hh:mm:ss" return dateFormatter.string(from: dt!) }
Usage:
Call above method as follow:let dateString = "2017-10-10 15:56:25" let date = self.localToUTC(date: dateString) //output date should be '2017-10-10 09:26:25'
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