How to get TimeZone from android mobile

Question

I want to get the time zone from the Android mobile when clicking a button

User · Accepted Answer

Have you tried to use TimeZone getDefault        Most applications will use TimeZone getDefault   which returns a TimeZone based   on the time zone where the program is running    Ref   http   developer android com reference java util TimeZone html

User · Answer

For devices with API  26 and higher  you can get it like this   ZonedDateTime now   getZone   toString

User · Answer

Try this code-  Calendar cal   Calendar getInstance    TimeZone tz   cal getTimeZone      It will return user selected timezone

User · Answer

All the answers here seem to suggest setting the daylite parameter to false  This is incorrect for many timezones which change abbreviated names depending on the time of the year  e g  EST vs EDT     The solution below will give you the correct abbreviation according to the current date for the timezone   val tz   TimeZone getDefault   val isDaylite   tz inDaylightTime Date    val timezone   tz getDisplayName isDaylite  TimeZone SHORT

User · Answer

Simplest Solution With Simple Date Format   SimpleDateFormat  ZZZZZ      Calendar calendar   Calendar getInstance TimeZone getTimeZone  GMT                    Locale getDefault             Date currentLocalTime   calendar getTime             DateFormat date   new SimpleDateFormat  ZZZZZ  Locale getDefault             String localTime   date format currentLocalTime           System out println localTime     TimeZone              Output is    05 30

User · Answer

I needed the offset that not only included day light savings time but as a numerial  Here is the code that I used in case someone is looking for an example   I get a response of  3 5   3 30   which is what I would expect in Tehran   Iran in winter and  4 5   4 30   for summer    I also needed it as a string so I could post it to a server so you may not need the last line   for getting currect time zone    TimeZone tz   TimeZone getDefault    Date now   new Date      Import part   x 0 for double number double offsetFromUtc   tz getOffset now getTime      3600000 0  String m2tTimeZoneIs   Double parseDouble offsetFromUtc

User · Answer

ZoneId from java time and ThreeTenABP  Modern answer       ZoneId zone   ZoneId systemDefault        System out println zone     When I ran this snippet in Australia Sydney time zone  the output was exactly that    Australia Sydney    If you want the summer time  DST  aware time zone name or abbreviation       DateTimeFormatter longTimeZoneFormatter   DateTimeFormatter ofPattern  zzzz   Locale getDefault         String longTz   ZonedDateTime now zone  format longTimeZoneFormatter       System out println longTz        DateTimeFormatter shortTimeZoneFormatter   DateTimeFormatter ofPattern  zzz   Locale getDefault         String shortTz   ZonedDateTime now zone  format shortTimeZoneFormatter       System out println shortTz      Eastern Summer Time  New South Wales  EST    The TimeZone class used in most of the other answers was what we had when the question was asked in 2011  even though it was poorly designed  Today it   s long outdated  and I recommend that instead we use java time  the modern Java date and time API that came out in 2014   Question  Doesn   t java time require Android API level 26   java time works nicely on both older and newer Android devices  It just requires at least Java 6    In Java 8 and later and on newer Android devices  from API level 26  the modern API comes built-in  In non-Android Java 6 and 7 get the ThreeTen Backport  the backport of the modern classes  ThreeTen for JSR 310  see the links at the bottom   On  older  Android use the Android edition of ThreeTen Backport  It   s called ThreeTenABP  And make sure you import the date and time classes from org threeten bp with subpackages    Links   Oracle tutorial  Date Time explaining how to use java time  Java Specification Request  JSR  310  where java time was first described  ThreeTen Backport project  the backport of java time to Java 6 and 7  ThreeTen for JSR-310   ThreeTenABP  Android edition of ThreeTen Backport Question  How to use ThreeTenABP in Android Project  with a very thorough explanation

User · Answer

According to http   developer android com reference android text format Time html you should be using Time getCurrentTimezone   to retrieve the current timezone of the device

User · Answer

TimeZone timeZone   TimeZone getDefault     timeZone getID      It will print like  Asia Kolkata

User · Answer

Edit  corrected the case  TimeZone getDefault

User · Answer

TimeZone tz   TimeZone getDefault    System out println  quot TimeZone    quot  tz getDisplayName false  TimeZone SHORT   quot  Timezone id     quot   tz getID      Output   TimeZone   GMT 09 30   Timezone id    Australia Darwin

User · Answer

On my device TimeZone getDefault   is always returning UTC time zone   I need to do this to get user configured time zone     TimeZone setDefault null  val tz   TimeZone getDefault     It will return user selected timezone

[java] How to get TimeZone from android mobile?

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