CODEWITHSUNDEEP
androidtimezone
Antoine Murion
Antoine Murion

Reputation: 813

How to Get the Name of TimeZone in Android

I would like to show the "name" of timezone in my android program. Say if it is "GMT+8:00", then show "HongKong"; By searching, i find that the getDisplayName function should sever my purpose.

http://developer.android.com/reference/java/util/TimeZone.html#getDisplayName(boolean, int, java.util.Locale)

However, in my own program, this function only shows "GMT+8:00" but when i use "getDisplayName" in the Google Open Source Project, it would show the name "HongKong" instead.

Does anyone know the reason behind this?

Upvotes: 12

Views: 13190

Answers (3)

Francis Batista
Francis Batista

Reputation: 1510

It's up to you! You can use Locale.getDefault() or a Calendar instance.

Locale.getDefault() is not a TimeZone, but specify the language in device

  • Calendar calendar = Calendar.getInstance();
  • Locale.getDefault()

.

Below I present some examples:

Printing Log.d(LOG_TAG, String.valueOf(TimeZone.getDefault())); shows:

D/MyActivity: libcore.util.ZoneInfo[id="Brazil/East",mRawOffset=-10800000,mEarliestRawOffset=-10800000,mUseDst=true,mDstSavings=3600000,transitions=128]

.

Printing Log.d(LOG_TAG, TimeZone.getDefault().getID()); shows:

D/MyActivity: Brazil/East

.

Printing Log.d(LOG_TAG, String.valueOf(Locale.getDefault())); shows:

D/MyActivity: fr_FR

.

Printing Log.d(LOG_TAG, String.valueOf(calendar.getTimeZone())); shows:

D/MyActivity: libcore.util.ZoneInfo[id="Brazil/East",mRawOffset=-10800000,mEarliestRawOffset=-10800000,mUseDst=true,mDstSavings=3600000,transitions=128]

.

Printing Log.d(LOG_TAG, calendar.getTimeZone().getDisplayName()); shows:

D/MyActivity: heure normale de Brasilia

.

Printing timezone displayName without locale and Timezone SHORT:

Log.d(LOG_TAG, calendar.getTimeZone().getDisplayName(false, TimeZone.SHORT));

shows output:

D/MyActivity: GMT-03:00

.

Printing timezone displayName without locale and Timezone LONG

Log.d(LOG_TAG, calendar.getTimeZone().getDisplayName(false, TimeZone.LONG));

shows output:

D/MyActivity: heure normale de Brasilia

.

Check the Javadoc for the method you're using:

http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Calendar.html#getInstance(java.util.Locale)

Gets a calendar using the default time zone and specified locale.

Check this comments to be more clear to you:

Upvotes: 13

Mihir Patel
Mihir Patel

Reputation: 412

You can find out your current time zone by below code

private String getTimeZone() {
        Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
        TimeZone zone = calendar.getTimeZone();
        return zone.getID();
}

Upvotes: 7

Praveena
Praveena

Reputation: 6941

Try this

TimeZone tz = TimeZone.getDefault();
System.out.println(tz.getID());

getDisplayName returns timezone and getId returns timezone location name.

Upvotes: 4

Related Questions