diff --git a/common/testData/localeIdentifiers/likelySubtags.txt b/common/testData/localeIdentifiers/likelySubtags.txt
index 1f9e3557fff..8ea95c10c7f 100644
--- a/common/testData/localeIdentifiers/likelySubtags.txt
+++ b/common/testData/localeIdentifiers/likelySubtags.txt
@@ -1,5 +1,5 @@
 # Test data for Likely Subtags
-#  Copyright © 1991-2023 Unicode, Inc.
+#  Copyright © 1991-2024 Unicode, Inc.
 #  For terms of use, see http://www.unicode.org/copyright.html
 #  SPDX-License-Identifier: Unicode-DFS-2016
 #  CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
diff --git a/common/testData/localeIdentifiers/localeCanonicalization.txt b/common/testData/localeIdentifiers/localeCanonicalization.txt
index bce4a8a4ff7..a0145488b7b 100644
--- a/common/testData/localeIdentifiers/localeCanonicalization.txt
+++ b/common/testData/localeIdentifiers/localeCanonicalization.txt
@@ -1,5 +1,5 @@
 # Test data for locale identifier canonicalization
-#  Copyright © 1991-2023 Unicode, Inc.
+#  Copyright © 1991-2024 Unicode, Inc.
 #  For terms of use, see http://www.unicode.org/copyright.html
 #  SPDX-License-Identifier: Unicode-DFS-2016
 #  CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
diff --git a/common/testData/localeIdentifiers/localeDisplayName.txt b/common/testData/localeIdentifiers/localeDisplayName.txt
index 655a6f4eb9f..9d4715bd976 100644
--- a/common/testData/localeIdentifiers/localeDisplayName.txt
+++ b/common/testData/localeIdentifiers/localeDisplayName.txt
@@ -1,5 +1,5 @@
 # Test data for locale display name generation
-#  Copyright © 1991-2023 Unicode, Inc.
+#  Copyright © 1991-2024 Unicode, Inc.
 #  For terms of use, see http://www.unicode.org/copyright.html
 #  SPDX-License-Identifier: Unicode-DFS-2016
 #  CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
diff --git a/common/testData/units/unitPreferencesTest.txt b/common/testData/units/unitPreferencesTest.txt
index 61abdcafd12..900c314ae01 100644
--- a/common/testData/units/unitPreferencesTest.txt
+++ b/common/testData/units/unitPreferencesTest.txt
@@ -1,6 +1,6 @@
 
 # Test data for unit preferences
-#  Copyright © 1991-2023 Unicode, Inc.
+#  Copyright © 1991-2024 Unicode, Inc.
 #  For terms of use, see http://www.unicode.org/copyright.html
 #  SPDX-License-Identifier: Unicode-DFS-2016
 #  CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
diff --git a/common/testData/units/unitsTest.txt b/common/testData/units/unitsTest.txt
index 233a9304ece..e23fd02b749 100644
--- a/common/testData/units/unitsTest.txt
+++ b/common/testData/units/unitsTest.txt
@@ -1,5 +1,5 @@
 # Test data for unit conversions
-#  Copyright © 1991-2023 Unicode, Inc.
+#  Copyright © 1991-2024 Unicode, Inc.
 #  For terms of use, see http://www.unicode.org/copyright.html
 #  SPDX-License-Identifier: Unicode-DFS-2016
 #  CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
@@ -189,9 +189,9 @@ speed	;	meter-per-second	;	meter-per-second	;	1 * x	;	1,000.00
 substance-amount	;	item	;	item	;	1 * x	;	1,000.00
 substance-amount	;	mole	;	item	;	602,214,076,000,000,000,000,000 * x	;	6.022141E26
 temperature	;	rankine	;	kelvin	;	5/9 * x	;	555.5556
-temperature	;	fahrenheit	;	kelvin	;	5/9 * x - 2,298.35/9	;	810.9278
+temperature	;	fahrenheit	;	kelvin	;	5/9 * x + 2,298.35/9	;	810.9278
 temperature	;	kelvin	;	kelvin	;	1 * x	;	1,000.00
-temperature	;	celsius	;	kelvin	;	1 * x - 273.15	;	1273.15
+temperature	;	celsius	;	kelvin	;	1 * x + 273.15	;	1273.15
 typewidth	;	em	;	em	;	1 * x	;	1,000.00
 voltage	;	volt	;	kilogram-square-meter-per-cubic-second-ampere	;	1 * x	;	1000.0
 volume	;	drop	;	cubic-meter	;	0.0000001540287998046875/3 * x	;	5.134293E-5