diff --git a/Tests/FoundationInternationalizationTests/TimeZoneTests.swift b/Tests/FoundationInternationalizationTests/TimeZoneTests.swift
index 724b15799..daec2d656 100644
--- a/Tests/FoundationInternationalizationTests/TimeZoneTests.swift
+++ b/Tests/FoundationInternationalizationTests/TimeZoneTests.swift
@@ -59,7 +59,7 @@ private struct TimeZoneTests {
     }
 
     @Test func localizedName_103036605() {
-        func test(_ tzIdentifier: String, _ localeIdentifier: String, _ style: TimeZone.NameStyle, _ expected: String?, sourceLocation: SourceLocation = #_sourceLocation) {
+        func test(_ tzIdentifier: String, _ localeIdentifier: String, _ style: TimeZone.NameStyle, _ expected: String?, _ expectedDST: String?, sourceLocation: SourceLocation = #_sourceLocation) {
             let tz = TimeZone(identifier: tzIdentifier)
             guard let expected else {
                 #expect(tz == nil, sourceLocation: sourceLocation)
@@ -67,29 +67,33 @@ private struct TimeZoneTests {
             }
 
             let locale = Locale(identifier: localeIdentifier)
-            #expect(tz?.localizedName(for: .generic, locale: locale) == expected, sourceLocation: sourceLocation)
+            if let tz, tz.isDaylightSavingTime(for: .now) {
+                #expect(tz.localizedName(for: style, locale: locale) == expectedDST, sourceLocation: sourceLocation)
+            } else {
+                #expect(tz?.localizedName(for: style, locale: locale) == expected, sourceLocation: sourceLocation)
+            }
         }
 
-        test("America/Los_Angeles", "en_US", .generic, "Pacific Time")
-        test("Europe/Berlin",       "en_US", .generic, "Central European Time")
-        test("Antarctica/Vostok",   "en_US", .generic, "Vostok Time")
-        test("Asia/Chongqing",      "en_US", .generic, "China Standard Time")
-        test("America/Sao_Paulo",   "en_US", .generic, "Brasilia Standard Time")
+        test("America/Los_Angeles", "en_US", .generic, "Pacific Time", "Pacific Time")
+        test("Europe/Paris",       "en_US", .generic, "Central European Time", "Central European Time")
+        test("Antarctica/Vostok",   "en_US", .generic, "Vostok Time", "Vostok Time")
+        test("Asia/Chongqing",      "en_US", .generic, "China Standard Time", "China Standard Time")
+        test("America/Sao_Paulo",   "en_US", .generic, "Brasilia Standard Time", "Brasilia Standard Time")
 
-        test("America/Los_Angeles", "zh_TW", .shortStandard, "太平洋時間")
-        test("Europe/Berlin",       "zh_TW", .shortStandard, "中歐時間")
-        test("Antarctica/Vostok",   "zh_TW", .shortStandard, "沃斯托克時間")
-        test("Asia/Chongqing",      "zh_TW", .shortStandard, "中國標準時間")
-        test("America/Sao_Paulo",   "zh_TW", .shortStandard, "巴西利亞標準時間")
+        test("America/Los_Angeles", "zh_TW", .shortStandard, "PST", "PST")
+        test("Europe/Paris",       "zh_TW", .shortStandard, "GMT+1", "GMT+2")
+        test("Antarctica/Davis",   "zh_TW", .shortStandard, "GMT+7", "GMT+7")
+        test("Asia/Chongqing",      "zh_TW", .shortStandard, "GMT+8", "GMT+8")
+        test("America/Sao_Paulo",   "zh_TW", .shortStandard, "GMT-3", "GMT-3")
 
         // abbreviation
-        test("GMT",     "en_US", .standard, "Greenwich Mean Time")
-        test("GMT+8",   "en_US", .standard, "GMT+08:00")
-        test("PST",     "en_US", .standard, "Pacific Time")
+        test("GMT",     "en_US", .standard, "Greenwich Mean Time", "Greenwich Mean Time")
+        test("GMT+8",   "en_US", .standard, "GMT+08:00", "GMT+08:00")
+        test("PST",     "en_US", .standard, "Pacific Standard Time", "Pacific Standard Time")
 
         // invalid names
-        test("XYZ", "en_US", .standard, nil)
-        test("BOGUS/BOGUS", "en_US", .standard, nil)
+        test("XYZ", "en_US", .standard, nil, nil)
+        test("BOGUS/BOGUS", "en_US", .standard, nil, nil)
     }
 
     @Test func timeZoneName_103097012() throws {