Some TimeZone display names haven't been localized.

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import java.text.*;
import java.util.*;

public class MissingL10nedName {

    public static void main(String[] args) {
        SimpleDateFormat sdf_en = new SimpleDateFormat("zzzz", Locale.US);
        SimpleDateFormat sdf_fr = new SimpleDateFormat("zzzz", Locale.FRANCE);
        SimpleDateFormat sdf_de = new SimpleDateFormat("zzzz", Locale.GERMANY);

        TimeZone tz = TimeZone.getTimeZone("Europe/Paris");
        System.out.println("Time zone display names for Europe/Paris");
        sdf_en.setTimeZone(tz);
        sdf_fr.setTimeZone(tz);
        sdf_de.setTimeZone(tz);
        System.out.println("en: " + sdf_en.format(new Date()));
        System.out.println("fr: " + sdf_fr.format(new Date()));
        System.out.println("de: " + sdf_de.format(new Date()) + "\n");

        tz = TimeZone.getTimeZone("Europe/Vatican");
        System.out.println("Time zone display names for Europe/Vatican");
        sdf_en.setTimeZone(tz);
        sdf_fr.setTimeZone(tz);
        sdf_de.setTimeZone(tz);
        System.out.println("en: " + sdf_en.format(new Date()));
        System.out.println("fr: " + sdf_fr.format(new Date()));
        System.out.println("de: " + sdf_de.format(new Date()) + "\n");

        tz = TimeZone.getTimeZone("Europe/Helsinki");
        System.out.println("Time zone display names for Europe/Helsinki");
        sdf_en.setTimeZone(tz);
        sdf_fr.setTimeZone(tz);
        sdf_de.setTimeZone(tz);
        System.out.println("en: " + sdf_en.format(new Date()));
        System.out.println("fr: " + sdf_fr.format(new Date()));
        System.out.println("de: " + sdf_de.format(new Date()) + "\n");

        tz = TimeZone.getTimeZone("Europe/Nicosia");
        System.out.println("Time zone display names for Europe/Nicosia");
        sdf_en.setTimeZone(tz);
        sdf_fr.setTimeZone(tz);
        sdf_de.setTimeZone(tz);
        System.out.println("en: " + sdf_en.format(new Date()));
        System.out.println("fr: " + sdf_fr.format(new Date()));
        System.out.println("de: " + sdf_de.format(new Date()) + "\n");
    }
}
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Output of the above program:

Time zone display names for Europe/Paris
en: Central European Time
fr: Heure d'Europe centrale
de: Zenraleuropische Zeit

Time zone display names for Europe/Vatican
en: Central European Time
fr: Central European Time
de: Central European Time

Time zone display names for Europe/Helsinki
en: Eastern European Time
fr: Heure d'Europe de l'Est
de: Osteuropische Zeit

Time zone display names for Europe/Nicosia
en: Eastern European Time
fr: Eastern European Time
de: Eastern European Time