Swift Convert Unix Time to Date and Time

Swift convert unix time to date and time

To get the date to show as the current time zone I used the following.

if let timeResult = (jsonResult["dt"] as? Double) {
     let date = NSDate(timeIntervalSince1970: timeResult)
     let dateFormatter = NSDateFormatter()
     dateFormatter.timeStyle = NSDateFormatterStyle.MediumStyle //Set time style
     dateFormatter.dateStyle = NSDateFormatterStyle.MediumStyle //Set date style
     dateFormatter.timeZone = NSTimeZone()
     let localDate = dateFormatter.stringFromDate(date)
}

Swift 3.0 Version

if let timeResult = (jsonResult["dt"] as? Double) {
    let date = Date(timeIntervalSince1970: timeResult)
    let dateFormatter = DateFormatter()
    dateFormatter.timeStyle = DateFormatter.Style.medium //Set time style
    dateFormatter.dateStyle = DateFormatter.Style.medium //Set date style
    dateFormatter.timeZone = self.timeZone
    let localDate = dateFormatter.string(from: date)                     
}

Swift 5

if let timeResult = (jsonResult["dt"] as? Double) {
    let date = Date(timeIntervalSince1970: timeResult)
    let dateFormatter = DateFormatter()
    dateFormatter.timeStyle = DateFormatter.Style.medium //Set time style
    dateFormatter.dateStyle = DateFormatter.Style.medium //Set date style
    dateFormatter.timeZone = .current
    let localDate = dateFormatter.string(from: date)                                
}

Convert Unix timestamp to date object swift 5

Cast the unix time stamp to a Double and call Date(timeIntervalSince1970:).

(Note: That converts the time stamp to a date. But how it is represented visibly, in the console or any other form of string output, is a completely different matter.)

Using DateFormatter on a Unix timestamp

You can convert unixTimestamp to date using Date(timeIntervalSince1970:).

let unixTimestamp = 1480134638.0
let date = Date(timeIntervalSince1970: unixTimestamp)

If you want to display date in string with specific formate than you can use DateFormatter like this way.

let date = Date(timeIntervalSince1970: unixtimeInterval)
let dateFormatter = DateFormatter()
dateFormatter.timeZone = TimeZone(abbreviation: "GMT") //Set timezone that you want
dateFormatter.locale = NSLocale.current
dateFormatter.dateFormat = "yyyy-MM-dd HH:mm" //Specify your format that you want
let strDate = dateFormatter.string(from: date)

Swift convert unix time to date and time gives incorrect year

Divide timestamp by 1000, because Date uses seconds and the timestamp was generated with milliseconds and use TimeInterval instead of Double.

    let dateVal = TimeInterval(1598859638000) / 1000.0

    
    let date = Date(timeIntervalSince1970: TimeInterval(dateVal))
    print(date, "date", date.timeIntervalSince1970)

  
    let dateFormatter = DateFormatter()
    dateFormatter.timeZone = TimeZone.init(abbreviation: "en")
    dateFormatter.locale = Locale.init(identifier: "en")
    dateFormatter.dateFormat = "E MMM d yyyy"
    let outputDate = dateFormatter.string(from: date)
    print(outputDate) // Mon Aug 31 2020

I guess your timestamp is generetd in a Java / Kotlin Applicatin. In java,
(new Date(1598859638000l)) yields Mon Aug 31 2020.

How to Convert UNIX epoch time to Date and time in ios swift

update: Xcode 8.2.1 • Swift 3.0.2 or later

You need to convert it from milliseconds dividing it by 1000:

let epochTime = TimeInterval(1429162809359) / 1000
let date = Date(timeIntervalSince1970: epochTime)   // "Apr 16, 2015, 2:40 AM"

print("Converted Time \(date)")         // "Converted Time 2015-04-16 05:40:09 +0000\n"

Swift convert Unix timestamp to Date with timezone and save it to EKEvent

Dates represent instants/points in time - "x seconds since a reference point". They are not "x seconds since a reference point at a location", so the timezone is not part of them. It makes no sense to "set the timezone of a Date", the same way it makes no sense to "set the number of decimal places of a Double".

It seems like you actually want to store a EKCalendarEvent. Well, EKCalendarEvents do have a timezone, because they are events that occur at a particular instant/day (occurrenceDate), in some timezone (timeZone). So you just need to set the timeZone property of the EKEvent, rather than the Date.

How to transform a Epoch Unix Timestamp in milliseconds to a Date in swift

Please try this one :

let val = 1492495200000;
var date = Date(timeIntervalSince1970: (Double(val) / 1000.0));
print(date);

Well your value is time interval in milliseconds. This is reason why you should do division by 1000, before you will do date convert.

Convert Timestamp to Date with various formats Swift

As from Calendar object you can get if the date is today or yesterday.
based on that you can set String as you like.
I've created an example like you need.
below is code.

var yesterdayStr = "17-Jan-2018 10:23 AM"
var todayStr = "18-Jan-2018 10:23 AM"
var tomorrowStr = "19-Jan-2018 10:23 AM"
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "dd-MMM-yyyy hh:mm a"
let yesterDaydate = dateFormatter.date(from: yesterdayStr)
let todayDate = dateFormatter.date(from: todayStr)
let tomorrowDate = dateFormatter.date(from: tomorrowStr)
let anotherDateFormatter = DateFormatter()
anotherDateFormatter.dateFormat = "hh:mm a"
if Calendar.current.isDateInYesterday(yesterDaydate!)
{
    let yesterdayDisplayString = "Yesterday, " + anotherDateFormatter.string(from: yesterDaydate!)
}
if Calendar.current.isDateInToday(todayDate!) {
    let todayDisplayString = "Today, " + anotherDateFormatter.string(from: todayDate!)
}
if Calendar.current.isDateInToday(tomorrowDate!) {

}
else {
    let anotherDisplayString = anotherDateFormatter.string(from: tomorrowDate!)
}

and here is output,

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