ios - How to get NSDate from string without converting it to UTC -


i have following problem. let's suppose receive server string containing date time in following format:

yyyy-mm-dd't'hh:mm:ssxxxx

this server date time , display in application is. if receive date time:

2017-04-07t10:29:23+ 02:00

it means on server 10:29:23 (08:29:23 utc)

and display in application as:

04.07.2017 10:29:23

but whenever try convert string nsdate date converted utc not desired because lose information server time zone. use following code right now:

let formatter = nsdateformatter() formatter.calendar = nscalendar(calendaridentifier: nscalendaridentifieriso8601) formatter.locale = nslocale(localeidentifier: "en_us_posix") formatter.dateformat = "yyyy-mm-dd't'hh:mm:ssxxxx"  let date = formatter.datefromstring(datestring)

how can achieve in swift (2.3)?

thanks in advance.

nsdate not have built-in time zone. if print nsdate it'll print in gmt because has print in something. date not contain time zone, , can't. they're time-zone independent.

to print date in particular time zone, configure nsdateformatter format , time zone want, use .stringfromdate. or don't set time zone , it'll print in device's time zone , locale, being user expects (e.g. server says "event happened @ 00:23+02:00" cet user you'll display "event happened @ 23:23", , est user display "event happened @ 6:23pm").

frustratingly, have 1 problem left: date formatter understands time zone in original string (the +02:00), can't communicate means. if want take nsdate , print in same time zone server you're going have determine time zone on own, communicate via channel, or hard-code it.


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