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yumaoka
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ICU-23157 Do not use GMT Zero Format
See #3657
1 parent 8e76438 commit cc97f13

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10 files changed

+33
-52
lines changed

10 files changed

+33
-52
lines changed

‎icu4c/source/i18n/tzfmt.cpp‎

Lines changed: 0 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1559,11 +1559,6 @@ TimeZoneFormat::formatOffsetLocalizedGMT(int32_t offset, UBool isShort, UnicodeS
15591559
return result;
15601560
}
15611561

1562-
if (offset == 0) {
1563-
result.setTo(fGMTZeroFormat);
1564-
return result;
1565-
}
1566-
15671562
UBool positive = true;
15681563
if (offset < 0) {
15691564
offset = -offset;

‎icu4c/source/test/intltest/dtfmttst.cpp‎

Lines changed: 15 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -2746,7 +2746,7 @@ void DateFormatTest::TestTimeZoneDisplayName()
27462746
{ "en", "Australia/Sydney", "2004-07-15T00:00:00Z", "VVVV", "Sydney Time", "Australia/Sydney" },
27472747

27482748
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
2749-
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
2749+
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
27502750
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
27512751
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "Greenwich Mean Time", "+0:00" },
27522752
{ "en", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
@@ -2857,8 +2857,8 @@ void DateFormatTest::TestTimeZoneDisplayName()
28572857
{ "de", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "Ostaustralische Zeit", "Australia/Sydney" },
28582858

28592859
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
2860-
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
2861-
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
2860+
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
2861+
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
28622862
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "Mittlere Greenwich-Zeit", "+0:00" },
28632863
{ "de", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
28642864
{ "de", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },
@@ -2961,10 +2961,10 @@ void DateFormatTest::TestTimeZoneDisplayName()
29612961
{ "zh", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\\u6fb3\\u5927\\u5229\\u4e9a\\u4e1c\\u90e8\\u65f6\\u95f4", "Australia/Sydney" },
29622962

29632963
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
2964-
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
2965-
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
2966-
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
2967-
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
2964+
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
2965+
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
2966+
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
2967+
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
29682968
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\\u683C\\u6797\\u5C3C\\u6CBB\\u6807\\u51C6\\u65F6\\u95F4", "+0:00" },
29692969
{ "zh", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
29702970
{ "zh", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },
@@ -3066,8 +3066,8 @@ void DateFormatTest::TestTimeZoneDisplayName()
30663066
{ "hi", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\\u092a\\u0942\\u0930\\u094d\\u0935\\u0940 \\u0911\\u0938\\u094d\\u091f\\u094d\\u0930\\u0947\\u0932\\u093f\\u092f\\u093e \\u0938\\u092e\\u092f", "Australia/Sydney" },
30673067

30683068
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
3069-
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
3070-
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
3069+
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
3070+
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
30713071
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\\u0917\\u094d\\u0930\\u0940\\u0928\\u0935\\u093f\\u091a \\u092e\\u0940\\u0928 \\u091f\\u093e\\u0907\\u092e", "+0:00" },
30723072
{ "hi", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
30733073
{ "hi", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },
@@ -3170,8 +3170,8 @@ void DateFormatTest::TestTimeZoneDisplayName()
31703170
{ "bg", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\\u0418\\u0437\\u0442\\u043E\\u0447\\u043D\\u043E\\u0430\\u0432\\u0441\\u0442\\u0440\\u0430\\u043B\\u0438\\u0439\\u0441\\u043A\\u043E \\u0432\\u0440\\u0435\\u043C\\u0435", "Australia/Sydney" },
31713171

31723172
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
3173-
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "\\u0413\\u0440\\u0438\\u043D\\u0443\\u0438\\u0447", "+0:00" },
3174-
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "z", "\\u0413\\u0440\\u0438\\u043D\\u0443\\u0438\\u0447", "+0:00" },
3173+
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "\\u0413\\u0440\\u0438\\u043D\\u0443\\u0438\\u0447+00:00", "+0:00" },
3174+
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "z", "\\u0413\\u0440\\u0438\\u043D\\u0443\\u0438\\u0447+0", "+0:00" },
31753175
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\\u0421\\u0440\\u0435\\u0434\\u043d\\u043e \\u0433\\u0440\\u0438\\u043d\\u0443\\u0438\\u0447\\u043a\\u043e \\u0432\\u0440\\u0435\\u043c\\u0435", "+0:00" },
31763176
{ "bg", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
31773177
{ "bg", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "\\u0413\\u0440\\u0438\\u043D\\u0443\\u0438\\u0447+01:00", "+1:00" },
@@ -3275,8 +3275,8 @@ void DateFormatTest::TestTimeZoneDisplayName()
32753275
{ "ja", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\\u30AA\\u30FC\\u30B9\\u30C8\\u30E9\\u30EA\\u30A2\\u6771\\u90E8\\u6642\\u9593", "Australia/Sydney" },
32763276

32773277
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
3278-
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
3279-
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
3278+
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
3279+
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
32803280
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\\u30B0\\u30EA\\u30CB\\u30C3\\u30B8\\u6A19\\u6E96\\u6642", "+0:00" },
32813281
{ "ja", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
32823282
{ "ja", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },
@@ -3378,8 +3378,8 @@ void DateFormatTest::TestTimeZoneDisplayName()
33783378
{ "ti", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\\u1293\\u12ed \\u121d\\u1265\\u122b\\u1253\\u12ca \\u12a3\\u12cd\\u1235\\u1275\\u122b\\u120d\\u12eb \\u130d\\u12d8", "Australia/Sydney" },
33793379

33803380
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
3381-
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
3382-
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
3381+
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
3382+
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
33833383
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "GMT", "+0:00" },
33843384
{ "ti", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
33853385
{ "ti", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },

‎icu4c/source/test/intltest/dtptngts.cpp‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -385,7 +385,7 @@ void IntlTestDateTimePatternGeneratorAPI::testAPI(/*char *par*/)
385385
UnicodeString(u"Thu, Oct 14, 1999, 6:58:59\u202FAM", -1),
386386
UnicodeString(u"6:58\u202FAM", -1),
387387
UnicodeString(u"6:58\u202FAM", -1),
388-
UnicodeString(u"6:58\u202FAM GMT", -1),
388+
UnicodeString(u"6:58\u202FAM GMT+00:00", -1),
389389
UnicodeString(""),
390390
};
391391

‎icu4c/source/test/intltest/tzfmttst.cpp‎

Lines changed: 1 addition & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -181,14 +181,6 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip() {
181181
)) {
182182
continue;
183183
}
184-
UnicodeString localGMTString;
185-
SimpleDateFormat gmtFmt(UnicodeString("ZZZZ"), LOCALES[locidx], status);
186-
if (U_FAILURE(status)) {
187-
dataerrln("Error creating SimpleDateFormat - %s", u_errorName(status));
188-
continue;
189-
}
190-
gmtFmt.setTimeZone(*TimeZone::getGMT());
191-
gmtFmt.format(0.0, localGMTString);
192184

193185
for (int32_t patidx = 0; patidx < UPRV_LENGTHOF(PATTERNS); patidx++) {
194186
SimpleDateFormat* sdf = new SimpleDateFormat(UnicodeString(PATTERNS[patidx]), LOCALES[locidx], status);
@@ -331,7 +323,7 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip() {
331323
}
332324
isOffsetFormat = (numDigits > 0);
333325
}
334-
if (isOffsetFormat || tzstr == localGMTString) {
326+
if (isOffsetFormat) {
335327
// Localized GMT or ISO: total offset (raw + dst) must be preserved.
336328
int32_t inOffset = inRaw + inDst;
337329
int32_t outOffset = outRaw + outDst;

‎icu4c/source/test/testdata/format.txt‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -149,7 +149,7 @@ format:table(nofallback) {
149149
"GMT",
150150
"DATE=RELATIVE_FULL,TIME=LONG",
151151
"ERA=1,YEAR=2012,MONTH=OCTOBER,DATE=8,HOUR_OF_DAY=23,MINUTE=59,SECOND=0",
152-
"segunda-feira, 8 de outubro de 2012 23:59:00 GMT"
152+
"segunda-feira, 8 de outubro de 2012 23:59:00 GMT+0"
153153
},
154154
// vi combined formats have time first
155155
{

‎icu4j/main/common_tests/src/test/java/com/ibm/icu/dev/test/format/DateFormatTest.java‎

Lines changed: 13 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -959,7 +959,7 @@ public void TestTimeZoneInLocale() {
959959
{ "en", "Australia/Sydney", "2004-07-15T00:00:00Z", "VVVV", "Sydney Time", "Australia/Sydney" },
960960

961961
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
962-
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
962+
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
963963
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
964964
{ "en", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "Greenwich Mean Time", "+0:00" },
965965
{ "en", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
@@ -1070,8 +1070,8 @@ public void TestTimeZoneInLocale() {
10701070
{ "de", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "Ostaustralische Zeit", "Australia/Sydney" },
10711071

10721072
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
1073-
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
1074-
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
1073+
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
1074+
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
10751075
{ "de", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "Mittlere Greenwich-Zeit", "+0:00" },
10761076
{ "de", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
10771077
{ "de", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },
@@ -1174,8 +1174,8 @@ public void TestTimeZoneInLocale() {
11741174
{ "zh", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\u6fb3\u5927\u5229\u4e9a\u4e1c\u90e8\u65f6\u95f4", "Australia/Sydney" },
11751175

11761176
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
1177-
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", GMT_ZH, "+0:00" },
1178-
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
1177+
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", GMT_ZH+"+00:00", "+0:00" },
1178+
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "z", GMT_ZH+"+0", "+0:00" },
11791179
{ "zh", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\u683C\u6797\u5C3C\u6CBB\u6807\u51C6\u65F6\u95F4", "+0:00" },
11801180
{ "zh", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
11811181
{ "zh", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", GMT_ZH+"+01:00", "+1:00" },
@@ -1277,8 +1277,8 @@ public void TestTimeZoneInLocale() {
12771277
{ "hi", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\u092a\u0942\u0930\u094d\u0935\u0940 \u0911\u0938\u094d\u091f\u094d\u0930\u0947\u0932\u093f\u092f\u093e \u0938\u092e\u092f", "Australia/Sydney" },
12781278

12791279
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
1280-
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
1281-
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
1280+
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
1281+
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
12821282
{ "hi", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\u0917\u094d\u0930\u0940\u0928\u0935\u093f\u091a \u092e\u0940\u0928 \u091f\u093e\u0907\u092e", "+0:00" },
12831283
{ "hi", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
12841284
{ "hi", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },
@@ -1381,8 +1381,8 @@ public void TestTimeZoneInLocale() {
13811381
{ "bg", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\u0418\u0437\u0442\u043E\u0447\u043D\u043E\u0430\u0432\u0441\u0442\u0440\u0430\u043B\u0438\u0439\u0441\u043A\u043E \u0432\u0440\u0435\u043C\u0435", "Australia/Sydney" },
13821382

13831383
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
1384-
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", GMT_BG, "+0:00" },
1385-
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "z", GMT_BG, "+0:00" },
1384+
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", GMT_BG+"+00:00", "+0:00" },
1385+
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "z", GMT_BG+"+0", "+0:00" },
13861386
{ "bg", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\u0421\u0440\u0435\u0434\u043d\u043e \u0433\u0440\u0438\u043d\u0443\u0438\u0447\u043a\u043e \u0432\u0440\u0435\u043c\u0435", "+0:00" },
13871387
{ "bg", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
13881388
{ "bg", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", GMT_BG+"+01:00", "+1:00" },
@@ -1488,8 +1488,8 @@ public void TestTimeZoneInLocale() {
14881488
{ "ja", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\u30AA\u30FC\u30B9\u30C8\u30E9\u30EA\u30A2\u6771\u90E8\u6642\u9593", "Australia/Sydney" },
14891489

14901490
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
1491-
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
1492-
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
1491+
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
1492+
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
14931493
{ "ja", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "\u30B0\u30EA\u30CB\u30C3\u30B8\u6A19\u6E96\u6642", "+0:00" },
14941494
{ "ja", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
14951495
{ "ja", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },
@@ -1594,8 +1594,8 @@ public void TestTimeZoneInLocale() {
15941594
{ "ti", "Australia/Sydney", "2004-07-15T00:00:00Z", "vvvv", "\u1293\u12ed \u121d\u1265\u122b\u1253\u12ca \u12a3\u12cd\u1235\u1275\u122b\u120d\u12eb \u130d\u12d8", "Australia/Sydney" },
15951595

15961596
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "Z", "+0000", "+0:00" },
1597-
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT", "+0:00" },
1598-
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT", "+0:00" },
1597+
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "ZZZZ", "GMT+00:00", "+0:00" },
1598+
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "z", "GMT+0", "+0:00" },
15991599
{ "ti", "Europe/London", "2004-01-15T00:00:00Z", "zzzz", "GMT", "+0:00" },
16001600
{ "ti", "Europe/London", "2004-07-15T00:00:00Z", "Z", "+0100", "+1:00" },
16011601
{ "ti", "Europe/London", "2004-07-15T00:00:00Z", "ZZZZ", "GMT+01:00", "+1:00" },

‎icu4j/main/common_tests/src/test/java/com/ibm/icu/dev/test/format/TimeZoneFormatTest.java‎

Lines changed: 1 addition & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -156,8 +156,6 @@ public void TestTimeZoneRoundTrip() {
156156
}
157157
logln("Locale: " + LOCALES[locidx].toString());
158158

159-
String localGMTString = TimeZoneFormat.getInstance(LOCALES[locidx]).formatOffsetLocalizedGMT(0);
160-
161159
for (int patidx = 0; patidx < PATTERNS.length; patidx++) {
162160
logln(" pattern: " + PATTERNS[patidx]);
163161
SimpleDateFormat sdf = new SimpleDateFormat(PATTERNS[patidx], LOCALES[locidx]);
@@ -268,7 +266,7 @@ public void TestTimeZoneRoundTrip() {
268266
isOffsetFormat = (numDigits > 0);
269267
}
270268

271-
if (isOffsetFormat || tzstr.equals(localGMTString)) {
269+
if (isOffsetFormat) {
272270
// Localized GMT or ISO: total offset (raw + dst) must be preserved.
273271
int inOffset = inOffsets[0] + inOffsets[1];
274272
int outOffset = outOffsets[0] + outOffsets[1];

‎icu4j/main/core/src/main/java/com/ibm/icu/text/TimeZoneFormat.java‎

Lines changed: 0 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1634,10 +1634,6 @@ public Object parseObject(String source, ParsePosition pos) {
16341634
* @return the localized GMT string
16351635
*/
16361636
private String formatOffsetLocalizedGMT(int offset, boolean isShort) {
1637-
if (offset == 0) {
1638-
return _gmtZeroFormat;
1639-
}
1640-
16411637
StringBuilder buf = new StringBuilder();
16421638
boolean positive = true;
16431639
if (offset < 0) {

‎icu4j/main/core/src/test/java/com/ibm/icu/dev/test/format/DateTimeGeneratorTest.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -204,7 +204,7 @@ public void TestSimple() {
204204
{"EyyyyMMMddhhmmss", "Thu, Oct 14, 1999, 6:58:59\u202FAM"}, // (fixed expected result per ticket 6872<-7180)
205205
{"hmm", "6:58\u202FAM"},
206206
{"hhmm", "6:58\u202FAM"}, // (fixed expected result per ticket 6872<-7180)
207-
{"hhmmVVVV", "6:58\u202FAM GMT"}, // (fixed expected result per ticket 6872<-7180)
207+
{"hhmmVVVV", "6:58\u202FAM GMT+00:00"}, // (fixed expected result per ticket 6872<-7180)
208208
};
209209
for (int i = 0; i < tests.length; ++i) {
210210
final String testSkeleton = tests[i][0];

‎icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/format.res‎

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