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Editorial Team
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Asked: 2026-05-13T20:06:15+00:00

The code below outputs Japan Standard Time. TimeZone tz = TimeZone.getTimeZone(Asia/Tokyo); Locale locale =

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The code below outputs “Japan Standard Time”.

TimeZone tz = TimeZone.getTimeZone("Asia/Tokyo");
Locale locale = new Locale("ja_JP");
System.out.println(tz.getDisplayName(locale));

I am expecting it to output something with Kanji along the lines of “日本標準時”. It does not seem to matter what timezone ID or locale I pass to getDisplayName()–the resulting text is always English. How do I get the localized values?

I am using Sun Java SDK/JRE version 1.6.0_18. I also tried running the tzupdater utility but got no change in results.

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1 Answer

  1. Editorial Team

    It works if you use the predefined JAPAN locale:

    System.out.println(tz.getDisplayName(Locale.JAPAN));

    At least, it print a bunch of questions marks on my console, rather than “Japan Standard Time”, which has to be a good sign.

    Locale.JAPAN is defined as new Locale("ja_JP_", "ja", "JP"), so there’s clearly some subtlety here in the constructor arguments.

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