diff --git a/icu4c/source/data/locales/af_ZA.txt b/icu4c/source/data/locales/af_ZA.txt
index 2c92e72d35..bceb35d521 100644
--- a/icu4c/source/data/locales/af_ZA.txt
+++ b/icu4c/source/data/locales/af_ZA.txt
@@ -20,8 +20,8 @@ af_ZA {
         "h:mm a",
         "EEEE dd MMMM yyyy",
         "dd MMMM yyyy",
-        "MMM dd,yy",
-        "dd/MM/yy",
+        "dd MMM yyyy",
+        "yyyy/MM/dd",
         "{1} {0}",
     }
     NumberPatterns { 
diff --git a/icu4c/source/data/locales/ar.txt b/icu4c/source/data/locales/ar.txt
index 9c0fbe28c5..328ff9f615 100644
--- a/icu4c/source/data/locales/ar.txt
+++ b/icu4c/source/data/locales/ar.txt
@@ -52,12 +52,12 @@ ar {
         1,
     }
     DateTimePatterns { 
-        "z hh:mm:ss a",
-        "z hh:mm:ss a",
-        "hh:mm:ss a",
-        "hh:mm a",
-        "dd MMMM, yyyy",
-        "dd MMMM, yyyy",
+        "z h:mm:ss a",
+        "z h:mm:ss a",
+        "h:mm:ss a",
+        "h:mm a",
+        "EEEE, d MMMM, yyyy",
+        "d MMMM, yyyy",
         "dd/MM/yyyy",
         "dd/MM/yy",
         "{1} {0}",
diff --git a/icu4c/source/data/locales/ar_IN.txt b/icu4c/source/data/locales/ar_IN.txt
index 71ce176f8d..39128b5906 100644
--- a/icu4c/source/data/locales/ar_IN.txt
+++ b/icu4c/source/data/locales/ar_IN.txt
@@ -20,8 +20,8 @@ ar_IN {
         "h:mm a",
         "EEEE d MMMM yyyy",
         "d MMMM yyyy",
-        "dd/MM/yyyy",
-        "d/M/yy",
+        "dd-MM-yyyy",
+        "d-M-yy",
         "{1} {0}"
     }
     //    Duplicated in parent
diff --git a/icu4c/source/data/locales/be.txt b/icu4c/source/data/locales/be.txt
index 669f7d3342..8b76a09215 100644
--- a/icu4c/source/data/locales/be.txt
+++ b/icu4c/source/data/locales/be.txt
@@ -19,12 +19,12 @@ be {
         BY { "\u0411\u0435\u043B\u0430\u0440\u0443\u0441\u044C" }
     }
     DateTimePatterns { 
-        "H.mm.ss z",
-        "H.mm.ss z",
-        "H.mm.ss",
-        "H.mm",
-        "EEEE, d, MMMM yyyy",
-        "EEEE, d, MMMM yyyy",
+        "HH.mm.ss z",
+        "HH.mm.ss z",
+        "HH.mm.ss",
+        "HH.mm",
+        "EEEE, d MMMM yyyy",
+        "d MMMM yyyy",
         "d.M.yyyy",
         "d.M.yy",
         "{1} {0}",
diff --git a/icu4c/source/data/locales/bg.txt b/icu4c/source/data/locales/bg.txt
index 8d2ae5eb73..aee90fe46c 100644
--- a/icu4c/source/data/locales/bg.txt
+++ b/icu4c/source/data/locales/bg.txt
@@ -48,7 +48,7 @@ bg {
         "HH:mm:ss z",
         "HH:mm:ss z",
         "HH:mm:ss",
-        "H:mm",
+        "HH:mm",
         "dd MMMM yyyy, EEEE",
         "dd MMMM yyyy",
         "dd.MM.yy",
diff --git a/icu4c/source/data/locales/bn_IN.txt b/icu4c/source/data/locales/bn_IN.txt
index 49cbdbd6ef..e38c1056c1 100644
--- a/icu4c/source/data/locales/bn_IN.txt
+++ b/icu4c/source/data/locales/bn_IN.txt
@@ -16,13 +16,13 @@ bn_IN {
     DateTimePatterns { 
         "h:mm:ss a z",
         "h:mm:ss a z",
-        "h:mm:ss a z",
+        "h:mm:ss a",
         "h:mm a",
-        "EEEE dd MMM yyyy",
-        "dd MMM yyyy",
-        "dd MMM yyyy",
-        "dd MMM yyyy",
-        "{1} {0}",
+        "EEEE d MMMM yyyy",
+        "d MMMM yyyy",
+        "dd-MM-yyyy",
+        "d-M-yy",
+        "{1} {0}"
     }
 //    NumberElements { 
 //        ".",
diff --git a/icu4c/source/data/locales/ca.txt b/icu4c/source/data/locales/ca.txt
index 1fdb937670..82686544a2 100644
--- a/icu4c/source/data/locales/ca.txt
+++ b/icu4c/source/data/locales/ca.txt
@@ -21,8 +21,8 @@ ca {
         "HH:mm:ss z",
         "HH:mm:ss",
         "HH:mm",
-        "EEEE, d' / 'MMMM' / 'yyyy",
-        "d' / 'MMMM' / 'yyyy",
+        "EEEE dd MMMM yyyy",
+        "d MMMM yyyy",
         "dd/MM/yyyy",
         "dd/MM/yy",
         "{1} {0}",
diff --git a/icu4c/source/data/locales/ca_ES.txt b/icu4c/source/data/locales/ca_ES.txt
index df6a355545..83fa4768b5 100644
--- a/icu4c/source/data/locales/ca_ES.txt
+++ b/icu4c/source/data/locales/ca_ES.txt
@@ -12,9 +12,13 @@ ca_ES {
         "EUR",
         ",",
     }
+    DateTimeElements:intvector {
+        2,
+        1,
+    }
     NumberPatterns { 
-        "#,##0.###;#,##0.###",
-        "\u00A4 #,##0.00;-\u00A4 #,##0.00",
+        "#,##0.###;-#,##0.###",
+        "#,##0.00 \u00A4;-#,##0.00 \u00A4",
         "#,##0%",
         "#E0",
     }
diff --git a/icu4c/source/data/locales/de_BE.txt b/icu4c/source/data/locales/de_BE.txt
index b8ea6efe39..456bb810b3 100644
--- a/icu4c/source/data/locales/de_BE.txt
+++ b/icu4c/source/data/locales/de_BE.txt
@@ -18,15 +18,19 @@ de_BE {
     }
     DateTimePatterns { 
         "HH 'h' mm 'min' ss 's' z",
-        "HH 'h' mm 'min' ss 's' z",
-        "HH 'h' mm 'min' ss 's' z",
-        "HH 'h' mm 'min' ss 's'",
-        "EEEE dd MMMM yyyy",
-        "EEEE dd MMMM yyyy",
-        "EEEE dd MMMM yyyy",
-        "dd MMMM yyyy",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
+        "EEEE d MMMM yyyy",
+        "d MMMM yyyy",
+        "d-MMM-yy",
+        "d/MM/yy",
         "{1} {0}",
     }
+    DateTimeElements:intvector {
+        2,
+        1,
+    }
     DayAbbreviations { 
         "Son",
         "Mon",
@@ -89,7 +93,7 @@ de_BE {
 //    }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
-        "#,##0.0000\u00A4;-\u00A4#,##0.0000",
+        "#,##0.00 \u00A4;-#,##0.00 \u00A4",
         "#,##0%",
         "#E0",
     }
diff --git a/icu4c/source/data/locales/en_AU.txt b/icu4c/source/data/locales/en_AU.txt
index 7229c54e4b..b6d0b5d219 100644
--- a/icu4c/source/data/locales/en_AU.txt
+++ b/icu4c/source/data/locales/en_AU.txt
@@ -23,13 +23,13 @@ en_AU {
     }
     DateTimePatterns { 
         "hh:mm:ss a z",
-        "H:mm:ss",
-        "HH:mm:ss",
-        "HH:mm",
+        "h:mm:ss",
+        "h:mm:ss",
+        "h:mm",
         "EEEE, d MMMM yyyy",
         "d MMMM yyyy",
-        "d/MM/yyyy",
-        "d/MM/yy",
+        "dd/MM/yyyy",
+        "dd/MM/yy",
         "{1} {0}",
     }
 //    Duplicated in parent
diff --git a/icu4c/source/data/locales/en_BE.txt b/icu4c/source/data/locales/en_BE.txt
index 4136979193..1b94f50162 100644
--- a/icu4c/source/data/locales/en_BE.txt
+++ b/icu4c/source/data/locales/en_BE.txt
@@ -12,16 +12,20 @@ en_BE {
 		Sequence { "[backwards 2]" }
 	}
     DateTimePatterns {
-        "H' h 'mm' min 'ss' s 'z",
-        "H:mm:ss z",
-        "H:mm:ss",
-        "H:mm",
-        "EEEE dd MMMM yyyy",
-        "EEE dd MMM yyyy",
+        "HH' h 'mm' min 'ss' s 'z",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
+        "EEEE d MMMM yyyy",
+        "EEE d MMM yyyy",
         "dd MMM yyyy",
         "dd/MM/yy",
         "{1} {0}",
     }
+    DateTimeElements:intvector {
+        2,
+        1,
+    }
 //    LocaleString { "en_BE" }
     NumberElements {
         ",",
@@ -45,7 +49,7 @@ en_BE {
 
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
-        "#,##0.00\u00A4;-\u00A4#,##0.00",
+        "#,##0.00 \u00A4;-#,##0.00 \u00A4",
         "#,##0%",
         "#E0",
     }
diff --git a/icu4c/source/data/locales/en_BZ.txt b/icu4c/source/data/locales/en_BZ.txt
index 5330fb4244..b17a738ff9 100644
--- a/icu4c/source/data/locales/en_BZ.txt
+++ b/icu4c/source/data/locales/en_BZ.txt
@@ -20,7 +20,7 @@ en_BZ{
         1,
     }
     DateTimePatterns { 
-        "HH:mm:ss 'o''clock' z",
+        "HH:mm:ss z",
         "HH:mm:ss z",
         "HH:mm:ss",
         "HH:mm",
diff --git a/icu4c/source/data/locales/en_CA.txt b/icu4c/source/data/locales/en_CA.txt
index 2e75b469f8..3dc98df5a7 100644
--- a/icu4c/source/data/locales/en_CA.txt
+++ b/icu4c/source/data/locales/en_CA.txt
@@ -22,8 +22,8 @@ en_CA {
         ".",
     }
     DateTimePatterns { 
-        "h:mm:ss 'o''clock' a z",
-        "h:mm:ss z a",
+        "h:mm:ss a z",
+        "h:mm:ss a z",
         "h:mm:ss a",
         "h:mm a",
         "EEEE, MMMM d, yyyy",
diff --git a/icu4c/source/data/locales/en_GB.txt b/icu4c/source/data/locales/en_GB.txt
index 6bb590da76..5816fa9a4d 100644
--- a/icu4c/source/data/locales/en_GB.txt
+++ b/icu4c/source/data/locales/en_GB.txt
@@ -21,18 +21,18 @@ en_GB {
         "GBP",
         ".",
     }
-    DateTimeElements:intvector { 
+    DateTimeElements:intvector {
         2,
         1,
     }
     DateTimePatterns { 
-        "HH:mm:ss 'o''clock' z",
+        "HH:mm:ss z",
         "HH:mm:ss z",
         "HH:mm:ss",
         "HH:mm",
         "dd MMMM yyyy",
         "dd MMMM yyyy",
-        "dd-MMM-yy",
+        "dd-MMM-yyyy",
         "dd/MM/yy",
         "{1} {0}",
     }
diff --git a/icu4c/source/data/locales/en_HK.txt b/icu4c/source/data/locales/en_HK.txt
index a65817ae42..0bd5376bfa 100644
--- a/icu4c/source/data/locales/en_HK.txt
+++ b/icu4c/source/data/locales/en_HK.txt
@@ -17,8 +17,8 @@ en_HK {
         ".",
     }
     DateTimePatterns { 
-        "h:mm:ss 'o''clock' a z",
-        "h:mm:ss z a",
+        "h:mm:ss a z",
+        "h:mm:ss a z",
         "h:mm:ss a",
         "h:mm a",
         "EEEE, MMMM d, yyyy",
diff --git a/icu4c/source/data/locales/en_IE.txt b/icu4c/source/data/locales/en_IE.txt
index 11b57d2bef..dc27804d04 100644
--- a/icu4c/source/data/locales/en_IE.txt
+++ b/icu4c/source/data/locales/en_IE.txt
@@ -26,7 +26,7 @@ en_IE {
         1,
     }
     DateTimePatterns { 
-        "HH:mm:ss 'o''clock' z",
+        "HH:mm:ss z",
         "HH:mm:ss z",
         "HH:mm:ss",
         "HH:mm",
diff --git a/icu4c/source/data/locales/en_IN.txt b/icu4c/source/data/locales/en_IN.txt
index f88cf49477..750c99b613 100644
--- a/icu4c/source/data/locales/en_IN.txt
+++ b/icu4c/source/data/locales/en_IN.txt
@@ -17,12 +17,12 @@ en_IN {
         ".",
     }
     DateTimePatterns { 
-        "h:mm:ss 'o''clock' a z",
+        "h:mm:ss a z",
         "h:mm:ss a z",
         "h:mm:ss a",
         "h:mm a",
-        "dd MMMM yyyy",
-        "dd MMMM yyyy",
+        "EEEE d MMMM yyyy",
+        "d MMMM yyyy",
         "dd-MMM-yy",
         "dd/MM/yy",
         "{1} {0}",
@@ -42,9 +42,9 @@ en_IN {
 //        "\uFFFD",
 //    }
     NumberPatterns {
-        "#,##,##0.###;-#,##,##0.###",
-        "\u00A4#,##,##0.00;-\u00A4#,##,##0.00",
-        "#,##,##0%",
+        "##,##,##0.###;-##,##,##0.###",
+        "\u00A4##,##,##0.00;-\u00A4##,##,##0.00",
+        "##,##,##0%",
         "#E0",
     }
 
diff --git a/icu4c/source/data/locales/en_MT.txt b/icu4c/source/data/locales/en_MT.txt
index 90dd8026f4..f3b2743b08 100644
--- a/icu4c/source/data/locales/en_MT.txt
+++ b/icu4c/source/data/locales/en_MT.txt
@@ -26,13 +26,13 @@ en_MT {
     }
 
     DateTimePatterns {
-        "HH:mm:ss z",
-        "HH:mm:ss z",
-        "HH:mm:ss",
-        "HH:mm",
+        "h:mm:ss a z",
+        "h:mm:ss a z",
+        "h:mm:ss a",
+        "h:mm a",
         "dd MMMM yyyy",
         "dd MMMM yyyy",
-        "dd-MMM-yy",
+        "dd-MMM-yyyy",
         "dd/MM/yy",
         "{1} {0}",
     }
diff --git a/icu4c/source/data/locales/en_NZ.txt b/icu4c/source/data/locales/en_NZ.txt
index 7a66502681..7e23d16703 100644
--- a/icu4c/source/data/locales/en_NZ.txt
+++ b/icu4c/source/data/locales/en_NZ.txt
@@ -22,10 +22,10 @@ en_NZ {
         ".",
     }
     DateTimePatterns { 
-        "hh:mm:ss a z",
-        "H:mm:ss",
-        "HH:mm:ss",
-        "HH:mm",
+        "h:mm:ss a z",
+        "h:mm:ss",
+        "h:mm:ss",
+        "h:mm",
         "EEEE, d MMMM yyyy",
         "d MMMM yyyy",
         "d/MM/yyyy",
diff --git a/icu4c/source/data/locales/en_PH.txt b/icu4c/source/data/locales/en_PH.txt
index e742b58d21..d48a4f8550 100644
--- a/icu4c/source/data/locales/en_PH.txt
+++ b/icu4c/source/data/locales/en_PH.txt
@@ -18,8 +18,8 @@ en_PH {
         ".",
     }
     DateTimePatterns { 
-        "h:mm:ss 'o''clock' a z",
-        "h:mm:ss z a",
+        "h:mm:ss a z",
+        "h:mm:ss a z",
         "h:mm:ss a",
         "h:mm a",
         "EEEE, MMMM d, yyyy",
diff --git a/icu4c/source/data/locales/en_ZA.txt b/icu4c/source/data/locales/en_ZA.txt
index 697cca8f9c..960adafb06 100644
--- a/icu4c/source/data/locales/en_ZA.txt
+++ b/icu4c/source/data/locales/en_ZA.txt
@@ -27,8 +27,8 @@ en_ZA {
         "h:mm a",
         "EEEE dd MMMM yyyy",
         "dd MMMM yyyy",
+        "dd MMM yyyy",
         "yyyy/MM/dd",
-        "yy/MM/dd",
         "{1} {0}",
     }
 //    Duplicated in parent
@@ -39,7 +39,7 @@ en_ZA {
 //    LocaleString { "en_ZA" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
-        "\u00A4#,##0.00;\u00A4-#,##0.00",
+        "\u00A4#,##0.00;-\u00A4#,##0.00",
         "#,##0%",
         "#E0",
     }
diff --git a/icu4c/source/data/locales/es_HN.txt b/icu4c/source/data/locales/es_HN.txt
index d8e4b24ed3..20f9cbc953 100644
--- a/icu4c/source/data/locales/es_HN.txt
+++ b/icu4c/source/data/locales/es_HN.txt
@@ -19,8 +19,8 @@ es_HN {
         "hh:mm a",
         "EEEE dd' de 'MMMM' de 'yyyy",
         "dd' de 'MMMM' de 'yyyy",
-        "MM/dd/yyyy",
-        "MM/dd/yy",
+        "dd/MM/yyyy",
+        "dd/MM/yy",
         "{1} {0}",
     }
     LocaleID:int { 0x480a }
diff --git a/icu4c/source/data/locales/es_MX.txt b/icu4c/source/data/locales/es_MX.txt
index 16d93aa7ac..84d49bcc05 100644
--- a/icu4c/source/data/locales/es_MX.txt
+++ b/icu4c/source/data/locales/es_MX.txt
@@ -9,7 +9,7 @@ es_MX {
     Version { "1.1" }
     CurrencyElements { 
         "$",
-        "MXP",
+        "MXN",
         ".",
     }
     DateTimePatterns { 
@@ -19,8 +19,8 @@ es_MX {
         "hh:mm a",
         "EEEE d' de 'MMMM' de 'yyyy",
         "d' de 'MMMM' de 'yyyy",
-        "d/MM/yyyy",
-        "d/MM/yy",
+        "dd/MM/yyyy",
+        "dd/MM/yy",
         "{1} {0}",
     }
     LocaleID:int { 0x080a }
diff --git a/icu4c/source/data/locales/es_NI.txt b/icu4c/source/data/locales/es_NI.txt
index c1bc9d8635..ab1c7ef508 100644
--- a/icu4c/source/data/locales/es_NI.txt
+++ b/icu4c/source/data/locales/es_NI.txt
@@ -17,10 +17,10 @@ es_NI {
         "hh:mm:ss a z",
         "hh:mm:ss a",
         "hh:mm a",
-        "EEEE dd' de 'MMMM' de 'yyyy",
-        "dd' de 'MMMM' de 'yyyy",
-        "MM/dd/yyyy",
-        "MM/dd/yy",
+        "EEEE d' de 'MMMM' de 'yyyy",
+        "d' de 'MMMM' de 'yyyy",
+        "dd/MM/yyyy",
+        "dd/MM/yy",
         "{1} {0}",
     }
     LocaleID:int { 0x4c0a }
diff --git a/icu4c/source/data/locales/es_SV.txt b/icu4c/source/data/locales/es_SV.txt
index cff9dd42c7..f200a3798a 100644
--- a/icu4c/source/data/locales/es_SV.txt
+++ b/icu4c/source/data/locales/es_SV.txt
@@ -19,8 +19,8 @@ es_SV {
         "hh:mm a",
         "EEEE d' de 'MMMM' de 'yyyy",
         "d' de 'MMMM' de 'yyyy",
-        "MM-dd-yyyy",
-        "MM-dd-yy",
+        "dd/MM/yyyy",
+        "dd/MM/yy",
         "{1} {0}",
     }
 //    LocaleString { "es_SV" }
diff --git a/icu4c/source/data/locales/es_US.txt b/icu4c/source/data/locales/es_US.txt
index 4a728cf671..c4646d063d 100644
--- a/icu4c/source/data/locales/es_US.txt
+++ b/icu4c/source/data/locales/es_US.txt
@@ -25,9 +25,20 @@ es_US {
 //        "\u221e",
 //        "\ufffd",
 //    }
+    DateTimePatterns { 
+        "h:mm:ss a z",
+        "h:mm:ss a z",
+        "h:mm:ss a",
+        "h:mm a",
+        "EEEE d' de 'MMMM' de 'yyyy",
+        "d' de 'MMMM' de 'yyyy",
+        "MMM d, yyyy",
+        "M/d/yy",
+        "{1} {0}",
+    }
     NumberPatterns {
         "#,##0.###;-#,##0.###",
-        "\u00a4#,##0.00;-\u00a4#,##0.00",
+        "\u00a4#,##0.00;(\u00a4#,##0.00)",
         "#,##0%",
         "#E0",
     }
diff --git a/icu4c/source/data/locales/eu_ES.txt b/icu4c/source/data/locales/eu_ES.txt
index 6c3e5ce9db..1847076ff7 100644
--- a/icu4c/source/data/locales/eu_ES.txt
+++ b/icu4c/source/data/locales/eu_ES.txt
@@ -8,6 +8,15 @@
 eu_ES {
     Version { "1.0" }
     // /* Discarding duplicate data for tag: AmPmMarkers */
+    CurrencyElements { 
+        "\u20AC",
+        "EUR",
+        ",",
+    }
+    DateTimeElements:intvector {
+        2,
+        1,
+    }
     DateTimePatterns {
         "HH:mm:ss z",
         "HH:mm:ss z",
@@ -19,11 +28,6 @@ eu_ES {
         "yy'-'MM'-'dd",
         "{1} {0}",
     }
-    CurrencyElements { 
-        "\u20AC",
-        "EUR",
-        ",",
-    }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
         "#,##0.00 \u00A4;-#,##0.00 \u00A4",
diff --git a/icu4c/source/data/locales/fr.txt b/icu4c/source/data/locales/fr.txt
index dbfe45fa82..16d341d17a 100644
--- a/icu4c/source/data/locales/fr.txt
+++ b/icu4c/source/data/locales/fr.txt
@@ -355,7 +355,7 @@ fr {
     }
     NumberElements { 
         ",",
-        "\u00A0",
+        "\u00A0",  //  
         ";",
         "%",
         "0",
diff --git a/icu4c/source/data/locales/fr_BE.txt b/icu4c/source/data/locales/fr_BE.txt
index c03da423b3..6b84a9d8aa 100644
--- a/icu4c/source/data/locales/fr_BE.txt
+++ b/icu4c/source/data/locales/fr_BE.txt
@@ -14,9 +14,9 @@ fr_BE {
     }
     DateTimePatterns { 
         "H' h 'mm' min 'ss' s 'z",
-        "H:mm:ss z",
-        "H:mm:ss",
-        "H:mm",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
         "EEEE d MMMM yyyy",
         "d MMMM yyyy",
         "dd-MMM-yy",
diff --git a/icu4c/source/data/locales/fr_CH.txt b/icu4c/source/data/locales/fr_CH.txt
index 72fa4d65c2..b66f1359ce 100644
--- a/icu4c/source/data/locales/fr_CH.txt
+++ b/icu4c/source/data/locales/fr_CH.txt
@@ -17,7 +17,7 @@ fr_CH {
         4,
     }
     DateTimePatterns { 
-        "HH.mm.' h' z",
+        "HH.mm' h' z",
         "HH:mm:ss z",
         "HH:mm:ss",
         "HH:mm",
diff --git a/icu4c/source/data/locales/ga_IE.txt b/icu4c/source/data/locales/ga_IE.txt
index 10457b2dbb..6b36e370f8 100644
--- a/icu4c/source/data/locales/ga_IE.txt
+++ b/icu4c/source/data/locales/ga_IE.txt
@@ -12,11 +12,15 @@ ga_IE {
         "EUR",
         ".",
     }
+    DateTimeElements:intvector { 
+        2,
+        1,
+    }
     DateTimePatterns { 
-        "h:mm:ss a",
-        "h:mm:ss a",
-        "h:mm:ss a",
-        "h:mm a",
+        "HH:mm:ss z",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
         "EEEE dd MMMM yyyy",
         "dd MMMM yyyy",
         "MMM dd,yy",
diff --git a/icu4c/source/data/locales/gl_ES.txt b/icu4c/source/data/locales/gl_ES.txt
index 12f855725c..b8227bd95d 100644
--- a/icu4c/source/data/locales/gl_ES.txt
+++ b/icu4c/source/data/locales/gl_ES.txt
@@ -12,11 +12,9 @@ gl_ES {
         "EUR",
         ",",
     }
-    NumberPatterns { 
-        "#,##0.###;-#,##0.###",
-        "#,##0.00 \u00A4;-#,##0.00 \u00A4",
-        "#,##0%",
-        "#E0",
+    DateTimeElements:intvector {
+        2,
+        1,
     }
     DateTimePatterns { 
         "HH:mm:ss z",
@@ -29,6 +27,11 @@ gl_ES {
         "dd/MM/yy",
         "{1} {0}",
     }
+    NumberPatterns {
+        "#,##0.###;-#,##0.###",
+        "#,##0.00 \u00A4;-#,##0.00 \u00A4",
+        "#,##0%",
+        "#E0",
+    }
     LocaleID:int { 0x0456 }
-
 }
diff --git a/icu4c/source/data/locales/gv_GB.txt b/icu4c/source/data/locales/gv_GB.txt
index eef46442d4..1136e1aa3a 100644
--- a/icu4c/source/data/locales/gv_GB.txt
+++ b/icu4c/source/data/locales/gv_GB.txt
@@ -12,11 +12,15 @@ gv_GB {
         "GBP",
         ".",
     }
+    DateTimeElements:intvector {
+        2,
+        1,
+    }
     DateTimePatterns {
-        "h:mm:ss a",
-        "h:mm:ss a",
-        "h:mm:ss a",
-        "h:mm a",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm:ss",
+        "HH:mm",
         "EEEE dd MMMM yyyy",
         "dd MMMM yyyy",
         "MMM dd,yy",
diff --git a/icu4c/source/data/locales/hi_IN.txt b/icu4c/source/data/locales/hi_IN.txt
index cbd879f1fc..1c5fe2b1df 100644
--- a/icu4c/source/data/locales/hi_IN.txt
+++ b/icu4c/source/data/locales/hi_IN.txt
@@ -10,9 +10,9 @@
 hi_IN {
     Version { "1.1" }
     NumberPatterns {
-        "#,##,##0.###;-#,##,##0.###",
-        "\u00A4#,##,##0.00;-\u00A4#,##,##0.00",
-        "#,##,##0%",
+        "##,##,##0.###;-##,##,##0.###",
+        "\u00A4##,##,##0.00;-\u00A4##,##,##0.00",
+        "##,##,##0%",
         "#E0",
     }
 //    ShortCountry { IND }
diff --git a/icu4c/source/data/locales/it_CH.txt b/icu4c/source/data/locales/it_CH.txt
index 58c9c8adf2..74dc781217 100644
--- a/icu4c/source/data/locales/it_CH.txt
+++ b/icu4c/source/data/locales/it_CH.txt
@@ -13,7 +13,7 @@ it_CH {
         ".",
     }
     DateTimePatterns { 
-        "H.mm' h' z",
+        "HH.mm' h' z",
         "HH:mm:ss z",
         "HH:mm:ss",
         "HH:mm",
diff --git a/icu4c/source/data/locales/kn.txt b/icu4c/source/data/locales/kn.txt
index 9a99a46f3b..9c0a1d0169 100644
--- a/icu4c/source/data/locales/kn.txt
+++ b/icu4c/source/data/locales/kn.txt
@@ -6,8 +6,14 @@
 // ***************************************************************************
 
 kn {
-    Version{ "x0.2" }
+    Version{ "x0.3" }
     LocaleID:int { 0x4B }
+    Countries {
+        IN { "\u0cad\u0cbe\u0cb0\u0ca4" }
+    }
+    Languages {
+        kn { "\u0c95\u0ca8\u0ccd\u0ca8\u0ca1" }
+    }
     AmPmMarkers{
         "\u0CAA\u0CC2\u0CB0\u0CCD\u0CB5\u0CBE\u0CB9\u0CCD\u0CA8",
         "\u0C85\u0CAA\u0CB0\u0CBE\u0CB9\u0CCD\u0CA8"
diff --git a/icu4c/source/data/locales/ko.txt b/icu4c/source/data/locales/ko.txt
index 03f253362c..97d20414f3 100644
--- a/icu4c/source/data/locales/ko.txt
+++ b/icu4c/source/data/locales/ko.txt
@@ -2196,32 +2196,32 @@ ko {
     LocaleID:int { 0x12 }
 //    LocaleString { "ko" }
     MonthAbbreviations { 
-        "1\uC6D4",
-        "2\uC6D4",
-        "3\uC6D4",
-        "4\uC6D4",
-        "5\uC6D4",
-        "6\uC6D4",
-        "7\uC6D4",
-        "8\uC6D4",
-        "9\uC6D4",
-        "10\uC6D4",
-        "11\uC6D4",
-        "12\uC6D4",
+        "1",
+        "2",
+        "3",
+        "4",
+        "5",
+        "6",
+        "7",
+        "8",
+        "9",
+        "10",
+        "11",
+        "12",
     }
     MonthNames { 
-        "1\uC6D4",
-        "2\uC6D4",
-        "3\uC6D4",
-        "4\uC6D4",
-        "5\uC6D4",
-        "6\uC6D4",
-        "7\uC6D4",
-        "8\uC6D4",
-        "9\uC6D4",
-        "10\uC6D4",
-        "11\uC6D4",
-        "12\uC6D4",
+        "1",
+        "2",
+        "3",
+        "4",
+        "5",
+        "6",
+        "7",
+        "8",
+        "9",
+        "10",
+        "11",
+        "12",
     }
     Eras {
         "\uae30\uC6D0\uC804",
diff --git a/icu4c/source/data/locales/kok_IN.txt b/icu4c/source/data/locales/kok_IN.txt
index 7c28a6582b..08e0374c7e 100644
--- a/icu4c/source/data/locales/kok_IN.txt
+++ b/icu4c/source/data/locales/kok_IN.txt
@@ -17,9 +17,9 @@ kok_IN {
         "."
     }
     NumberPatterns {
-        "#,##,##0.###;-#,##,##0.###",
-        "\u00A4#,##,##0.00;-\u00A4#,##,##0.00",
-        "#,##,##0%",
+        "##,##,##0.###;-##,##,##0.###",
+        "\u00A4##,##,##0.00;-\u00A4##,##,##0.00",
+        "##,##,##0%",
         "#E0",
     }
     DateTimePatterns {
diff --git a/icu4c/source/data/locales/kw_GB.txt b/icu4c/source/data/locales/kw_GB.txt
index 55a3aba800..a6520d6d4c 100644
--- a/icu4c/source/data/locales/kw_GB.txt
+++ b/icu4c/source/data/locales/kw_GB.txt
@@ -13,11 +13,15 @@ kw_GB {
         "GBP",
         ".",
     }
+    DateTimeElements:intvector {
+        2,
+        1,
+    }
     DateTimePatterns {
-        "h:mm:ss a",
-        "h:mm:ss a",
-        "h:mm:ss a",
-        "h:mm a",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm:ss",
+        "HH:mm",
         "EEEE dd MMMM yyyy",
         "dd MMMM yyyy",
         "MMM dd,yy",
diff --git a/icu4c/source/data/locales/mk.txt b/icu4c/source/data/locales/mk.txt
index 9abfba8b31..7db3b50ee1 100644
--- a/icu4c/source/data/locales/mk.txt
+++ b/icu4c/source/data/locales/mk.txt
@@ -49,7 +49,7 @@ mk {
     DateTimePatterns { 
         "HH:mm:ss z",
         "HH:mm:ss z",
-        "HH:mm:",
+        "HH:mm:ss",
         "HH:mm",
         "EEEE, d, MMMM yyyy",
         "d, MMMM yyyy",
diff --git a/icu4c/source/data/locales/mr_IN.txt b/icu4c/source/data/locales/mr_IN.txt
index d7102b08dd..83a9de625f 100644
--- a/icu4c/source/data/locales/mr_IN.txt
+++ b/icu4c/source/data/locales/mr_IN.txt
@@ -17,9 +17,9 @@ mr_IN {
         "."
     }
     NumberPatterns {
-        "#,##,##0.###;-#,##,##0.###",
-        "\u00A4#,##,##0.00;-\u00A4#,##,##0.00",
-        "#,##,##0%",
+        "##,##,##0.###;-##,##,##0.###",
+        "\u00A4##,##,##0.00;-\u00A4##,##,##0.00",
+        "##,##,##0%",
         "#E0",
     }
 //    LocaleString { "mr_IN" }
diff --git a/icu4c/source/data/locales/ms_MY.txt b/icu4c/source/data/locales/ms_MY.txt
index f9eb82ced7..6902a012e7 100644
--- a/icu4c/source/data/locales/ms_MY.txt
+++ b/icu4c/source/data/locales/ms_MY.txt
@@ -1,6 +1,6 @@
 // ***************************************************************************
 // *
-// *   Copyright (C) 2001-2003, International Business Machines
+// *   Copyright (C) 2001-2002, International Business Machines
 // *   Corporation and others.  All Rights Reserved.
 // *   Generated from Universal Locales for Linux Project
 // ***************************************************************************
@@ -18,9 +18,9 @@ ms_MY {
         "hh:mm:ss  z",
         "hh:mm:ss  z",
         "EEEE dd MMM yyyy",
-        "EEEE dd MMM yyyy",
-        "EEEE dd MMM yyyy",
-        "EEEE dd MMM yyyy",
+        "dd MMMM yyyy",
+        "dd MMMM yyyy",
+        "dd/MM/yyyy",
         "{1} {0}",
     }
 
diff --git a/icu4c/source/data/locales/mt.txt b/icu4c/source/data/locales/mt.txt
index dd9174b0af..363cc4bb12 100644
--- a/icu4c/source/data/locales/mt.txt
+++ b/icu4c/source/data/locales/mt.txt
@@ -753,8 +753,8 @@ mt {
         "h:mm:ss a",
         "h:mm a",
         "EEEE, d 'ta''' MMMM, yyyy",
-        "d 'ta''' MMMM",
-        "dd/MM/yy",
+        "d 'ta''' MMMM yyyy",
+        "dd-MMM-yyyy",
         "dd/MM/yy",
         "{1} {0}"
     }
diff --git a/icu4c/source/data/locales/nl_BE.txt b/icu4c/source/data/locales/nl_BE.txt
index 645facb336..7437c9a244 100644
--- a/icu4c/source/data/locales/nl_BE.txt
+++ b/icu4c/source/data/locales/nl_BE.txt
@@ -12,15 +12,15 @@ nl_BE {
         "EUR",
         ",",
     }
-    DateTimeElements:intvector { 
+    DateTimeElements:intvector {
         2,
         1,
     }
     DateTimePatterns { 
-        "H.mm' u. 'z",
-        "H:mm:ss z",
-        "H:mm:ss",
-        "H:mm",
+        "HH.mm' u. 'z",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
         "EEEE d MMMM yyyy",
         "d MMMM yyyy",
         "d-MMM-yy",
diff --git a/icu4c/source/data/locales/pt.txt b/icu4c/source/data/locales/pt.txt
index 4e9fa35953..0bef344eb8 100644
--- a/icu4c/source/data/locales/pt.txt
+++ b/icu4c/source/data/locales/pt.txt
@@ -87,12 +87,12 @@ pt {
     }
     DateTimePatterns { 
         "HH'H'mm'm' z",
-        "H:mm:ss z",
-        "H:mm:ss",
-        "H:mm",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
         "EEEE, d' de 'MMMM' de 'yyyy",
         "d' de 'MMMM' de 'yyyy",
-        "d/MMM/yy",
+        "d/MMM/yyyy",
         "dd-MM-yyyy",
         "{1} {0}",
     }
diff --git a/icu4c/source/data/locales/ro.txt b/icu4c/source/data/locales/ro.txt
index cdbb78fabe..aa618b2377 100644
--- a/icu4c/source/data/locales/ro.txt
+++ b/icu4c/source/data/locales/ro.txt
@@ -21,8 +21,8 @@ ro {
         "HH:mm:ss z",
         "HH:mm:ss",
         "HH:mm",
-        "dd MMMM yyyy",
-        "dd MMMM yyyy",
+        "d MMMM yyyy",
+        "d MMMM yyyy",
         "dd.MM.yyyy",
         "dd.MM.yyyy",
         "{1} {0}",
diff --git a/icu4c/source/data/locales/ru.txt b/icu4c/source/data/locales/ru.txt
index 24354751f6..77532c2049 100644
--- a/icu4c/source/data/locales/ru.txt
+++ b/icu4c/source/data/locales/ru.txt
@@ -277,19 +277,6 @@ ru {
         "\u041D\u043E\u044F\u0431\u0440\u044C",
         "\u0414\u0435\u043A\u0430\u0431\u0440\u044C",
     }
-    NumberElements { 
-        ",",
-        " ",
-        ";",
-        "%",
-        "0",
-        "#",
-        "-",
-        "E",
-        "\u2030",
-        "\u221E",
-        "\uFFFD",
-    }
 //    ShortLanguage { "rus" }
     localPatternChars { "GanjkHmsSEDFwWxhKzAe" }
     zoneStrings { 
diff --git a/icu4c/source/data/locales/ru_RU.txt b/icu4c/source/data/locales/ru_RU.txt
index 16513a007d..b1d7c9d408 100644
--- a/icu4c/source/data/locales/ru_RU.txt
+++ b/icu4c/source/data/locales/ru_RU.txt
@@ -12,6 +12,19 @@ ru_RU {
         "RUR",
         ",",
     }
+    NumberElements { 
+        ",",
+        "\u00A0",  //  
+        ";",
+        "%",
+        "0",
+        "#",
+        "-",
+        "E",
+        "\u2030",
+        "\u221E",
+        "\uFFFD",
+    }
 //    LocaleString { "ru_RU" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/ru_UA.txt b/icu4c/source/data/locales/ru_UA.txt
index 4a4fed2403..c337102cd8 100644
--- a/icu4c/source/data/locales/ru_UA.txt
+++ b/icu4c/source/data/locales/ru_UA.txt
@@ -8,21 +8,34 @@
 ru_UA {
     Version { "1.1" }
     CurrencyElements { 
-        "\u0433\u0440",
-        "UAH",
-        ".",
+        "\u0433\u0440\u043D.",
+        "UAK",
+        ",",
     }
     DateTimePatterns { 
-        "H:mm:ss a z",
-        "H:mm:ss a z",
-        "H:mm:ss",
-        "H:mm",
+        "HH:mm:ss z",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
         "d MMMM yyyy '\u0433.'",
         "d MMMM yyyy '\u0433.'",
         "dd.MM.yyyy",
         "dd.MM.yy",
         "{1} {0}",
     }
+    NumberElements {
+        ",",
+        ".",
+        ";",
+        "%",
+        "0",
+        "#",
+        "-",
+        "E",
+        "\u2030",
+        "\u221E",
+        "\uFFFD",
+    }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
         "#,##0.00 \u00a4;-#,##0.00 \u00a4",
diff --git a/icu4c/source/data/locales/sh.txt b/icu4c/source/data/locales/sh.txt
index fa38d02b36..f32489c80c 100644
--- a/icu4c/source/data/locales/sh.txt
+++ b/icu4c/source/data/locales/sh.txt
@@ -210,8 +210,8 @@ sh {
     DateTimePatterns { 
         "HH.mm.ss z",
         "HH.mm.ss z",
-        "H.mm.ss",
-        "H.mm",
+        "HH.mm.ss",
+        "HH.mm",
         "EEEE, dd. MMMM yyyy.",
         "EEEE, d.MM.yyyy.",
         "dd.MM.yyyy.",
diff --git a/icu4c/source/data/locales/sk.txt b/icu4c/source/data/locales/sk.txt
index 1a060907fb..20b79e789a 100644
--- a/icu4c/source/data/locales/sk.txt
+++ b/icu4c/source/data/locales/sk.txt
@@ -22,8 +22,8 @@ sk {
         "H:mm:ss z",
         "H:mm:ss",
         "H:mm",
-        "EEEE, yyyy, MMMM d",
-        "EEEE, yyyy, MMMM d",
+        "EEEE, d. MMMM yyyy",
+        "d. MMMM yyyy",
         "d.M.yyyy",
         "d.M.yyyy",
         "{1} {0}",
diff --git a/icu4c/source/data/locales/sl.txt b/icu4c/source/data/locales/sl.txt
index d6a1f895c1..0cea35c3df 100644
--- a/icu4c/source/data/locales/sl.txt
+++ b/icu4c/source/data/locales/sl.txt
@@ -23,10 +23,10 @@ sl {
         "H:mm:ss z",
         "H:mm:ss",
         "H:mm",
-        "EEEE, yyyy, MMMM d",
-        "EEEE, yyyy, MMMM d",
+        "EEEE, dd. MMMM yyyy",
+        "dd. MMMM yyyy",
         "yyyy.M.d",
-        "y.M.d",
+        "yy.M.d",
         "{1} {0}",
     }
     DayAbbreviations { 
diff --git a/icu4c/source/data/locales/sq.txt b/icu4c/source/data/locales/sq.txt
index a5b7a0a50b..2e314fbded 100644
--- a/icu4c/source/data/locales/sq.txt
+++ b/icu4c/source/data/locales/sq.txt
@@ -23,9 +23,9 @@ sq {
         "h.mm.ss.a z",
         "h:mm:ss.a",
         "h.mm.a",
+        "EEEE, dd MMMM yyyy",
+        "dd MMMM yyyy",
         "yyyy-MM-dd",
-        "yyyy-MM-dd",
-        "yy-MM-dd",
         "yy-MM-dd",
         "{1} {0}",
     }
diff --git a/icu4c/source/data/locales/sr.txt b/icu4c/source/data/locales/sr.txt
index 872393dca7..9dca218996 100644
--- a/icu4c/source/data/locales/sr.txt
+++ b/icu4c/source/data/locales/sr.txt
@@ -234,10 +234,10 @@ sr {
     DateTimePatterns {
         "HH.mm.ss z",
         "HH.mm.ss z",
-        "H.mm.ss",
-        "H.mm",
+        "HH.mm.ss",
+        "HH.mm",
         "EEEE, dd.MMMM.yyyy.",
-        "EEEE, d.MM.yyyy.",
+        "dd.MM.yyyy.",
         "dd.MM.yyyy.",
         "d.M.yy.",
         "{1} {0}",
diff --git a/icu4c/source/data/locales/ta_IN.txt b/icu4c/source/data/locales/ta_IN.txt
index 117b811d5b..35c38f5794 100644
--- a/icu4c/source/data/locales/ta_IN.txt
+++ b/icu4c/source/data/locales/ta_IN.txt
@@ -18,9 +18,9 @@ ta_IN {
         "."
     }
     NumberPatterns {
-        "#,##,##0.###;-#,##,##0.###",
-        "\u00A4#,##,##0.00;-\u00A4#,##,##0.00",
-        "#,##,##0%",
+        "##,##,##0.###;-##,##,##0.###",
+        "\u00A4##,##,##0.00;-\u00A4##,##,##0.00",
+        "##,##,##0%",
         "#E0",
     }
 //    LocaleString { "ta_IN" }
diff --git a/icu4c/source/data/locales/te_IN.txt b/icu4c/source/data/locales/te_IN.txt
index dde082ffae..81e08433a4 100644
--- a/icu4c/source/data/locales/te_IN.txt
+++ b/icu4c/source/data/locales/te_IN.txt
@@ -4,7 +4,7 @@
 // *   Corporation and others.  All Rights Reserved.
 // *
 // ***************************************************************************
-// $Revision: 1.10 $
+// $Revision: 1.11 $
 //
 // Telugu Locale. Data by Ram [ram@jtcsv.com]
 
@@ -24,19 +24,19 @@ te_IN {
         "h:mm:ss a z",
         "h:mm:ss a",
         "h:mm a",
-        "EEEE dd MMM yyyy",
-        "EEEE dd MMM yyyy",
-        "dd/MM/yyyy",
-        "dd/MM/yy",
+        "EEEE d MMMM yyyy",
+        "d MMMM yyyy",
+        "dd-MM-yyyy",
+        "dd-MM-yy",
         "{1} {0}",
     }
 
     // LanguageLibraryUse { "Te" }
     // Measurement { "Metric" }
     NumberPatterns {
-        "#,##,##0.###;-#,##,##0.###",
-        "\u00A4#,##,##0.00;-\u00A4#,##,##0.00",
-        "#,##,##0%",
+        "##,##,##0.###;-##,##,##0.###",
+        "\u00A4##,##,##0.00;-\u00A4##,##,##0.00",
+        "##,##,##0%",
         "#E0",
     }
 //    ShortLanguage { "tel" }
diff --git a/icu4c/source/data/locales/uk.txt b/icu4c/source/data/locales/uk.txt
index d2bf342f79..3054257042 100644
--- a/icu4c/source/data/locales/uk.txt
+++ b/icu4c/source/data/locales/uk.txt
@@ -47,11 +47,11 @@ uk {
     Countries { 
         UA { "\u0423\u043A\u0440\u0430\u0457\u043D\u0430" }
     }
-    DateTimePatterns { 
-        "H:mm:ss z",
-        "H:mm:ss z",
-        "H:mm:ss",
-        "H:mm",
+    DateTimePatterns {
+        "HH:mm:ss z",
+        "HH:mm:ss z",
+        "HH:mm:ss",
+        "HH:mm",
         "EEEE, d, MMMM yyyy",
         "EEEE, d, MMMM yyyy",
         "d/M/yyyy",
@@ -113,7 +113,7 @@ uk {
         "\u041B\u0438\u0441\u0442\u043E\u043F\u0430\u0434\u0430",
         "\u0413\u0440\u0443\u0434\u043D\u044F",
     }
-    NumberElements { 
+    NumberElements {
         ",",
         ".",
         ";",
diff --git a/icu4c/source/data/locales/uk_UA.txt b/icu4c/source/data/locales/uk_UA.txt
index ca617cd936..f7d3e8285e 100644
--- a/icu4c/source/data/locales/uk_UA.txt
+++ b/icu4c/source/data/locales/uk_UA.txt
@@ -8,8 +8,8 @@
 uk_UA {
     Version { "1.0" }
     CurrencyElements { 
-        "\u0433\u0440\u0432.",
-        "UAH",
+        "\u0433\u0440\u043D.",
+        "UAK",
         ",",
     }
 //    LocaleString { "uk_UA" }
diff --git a/icu4c/source/data/locales/zh_TW.txt b/icu4c/source/data/locales/zh_TW.txt
index 97fd98c2a5..f63f597559 100644
--- a/icu4c/source/data/locales/zh_TW.txt
+++ b/icu4c/source/data/locales/zh_TW.txt
@@ -1313,7 +1313,7 @@ zh_TW {
     DateTimePatterns { 
         "ahh'\u6642'mm'\u5206'ss'\u79D2' z",
         "ahh'\u6642'mm'\u5206'ss'\u79D2'",
-        "a hh:mm:ss",
+        "a h:mm:ss",
         "a h:mm",
         "yyyy'\u5E74'M'\u6708'd'\u65E5'",
         "yyyy'\u5E74'M'\u6708'd'\u65E5'",