CODEWITHSUNDEEP
iosswiftnsdate
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Reputation: 3078

NSDate has the opposite AM/PM value

I am using this code to convert the NSDate to my local timezone, the correct hour and day is shown but the AM/PM part is always incorrect.

let date1 = "2015-05-14 19:00:00 +0000"
let date2 = "2015-06-12 04:50:00 +0000"
var dateFormatter = NSDateFormatter()

dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss zzzz"
let date = dateFormatter.dateFromString(date1)

let timeZone = NSTimeZone.localTimeZone()

let seconds: NSInteger = timeZone.secondsFromGMTForDate(date!)
var d = NSDate(timeInterval: NSTimeInterval(seconds), sinceDate: date!)

date1 comes back as May 14, 2015, 7:AM

date2 comes back as Jun 11, 2015, 4:50PM

Both of these should have opposite AM/PM values, can anyone tell me what I am doing wrong?

Upvotes: 0

Views: 165

Answers (1)

Martin R
Martin R

Reputation: 539765

(From my above comment) NSDate does not have a time zone. date1/date2 are strings specifying a time in GMT. If you want to print date in your local time zone then use a date formatter to convert it to a string.

If your intention is to interpret date1/date2 as if they were in your local time zone instead of GMT then your correction goes into the wrong direction (replace seconds by -seconds).

Your results are not with opposite AM/PM values but simply 12 hours earlier than you expected them to be (which makes sense because Mountain time is GMT-06).

Upvotes: 1

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