diff --git a/icu4c/source/i18n/dtptngen.cpp b/icu4c/source/i18n/dtptngen.cpp
index f621fc3a1b..5ba2b5e65b 100644
--- a/icu4c/source/i18n/dtptngen.cpp
+++ b/icu4c/source/i18n/dtptngen.cpp
@@ -1018,8 +1018,8 @@ DateTimePatternGenerator::adjustFieldTypes(const UnicodeString& pattern,
                     // - "field" is the field from the found pattern.
                     //
                     // The adjusted field should consist of characters from the originally requested
-                    // skeleton, except in the case of UDATPG_HOUR_FIELD, in which case it should consist
-                    // of characters from the found pattern.
+                    // skeleton, except in the case of UDATPG_HOUR_FIELD or UDATPG_MONTH_FIELD, in
+                    // which case it should consist of characters from the found pattern.
                     //
                     // The length of the adjusted field (adjFieldLen) should match that in the originally
                     // requested skeleton, except that if there is a specified skeleton for the found pattern
@@ -1041,7 +1041,7 @@ DateTimePatternGenerator::adjustFieldTypes(const UnicodeString& pattern,
                             adjFieldLen = field.length();
                         }
                     }
-                    UChar c = (typeValue!= UDATPG_HOUR_FIELD)? reqField.charAt(0): field.charAt(0);
+                    UChar c = (typeValue!= UDATPG_HOUR_FIELD && typeValue!= UDATPG_MONTH_FIELD)? reqField.charAt(0): field.charAt(0);
                     field.remove();
                     for (int32_t i=adjFieldLen; i>0; --i) {
                         field+=c;
diff --git a/icu4c/source/test/intltest/dtifmtts.cpp b/icu4c/source/test/intltest/dtifmtts.cpp
index a77cb90d36..52432f3280 100644
--- a/icu4c/source/test/intltest/dtifmtts.cpp
+++ b/icu4c/source/test/intltest/dtifmtts.cpp
@@ -722,7 +722,7 @@ void DateIntervalFormatTest::testFormat() {
         
         "zh", "2007 11 10 10:10:10", "2007 11 20 10:10:10", "M", "11", 
         
-        "zh", "2007 11 10 10:10:10", "2007 11 20 10:10:10", "MMM", "11\\u6708", // (fixed expected result per ticket:6626:)
+        "zh", "2007 11 10 10:10:10", "2007 11 20 10:10:10", "MMM", "\\u5341\\u4E00\\u6708", // (fixed expected result per ticket:6626: and others)
         
         
         "zh", "2007 11 10 10:10:10", "2007 11 20 10:10:10", "hmz", "2007\\u5e7411\\u670810\\u65e5 \\u4e0a\\u534810:10 \\u683c\\u6797\\u5c3c\\u6cbb\\u6807\\u51c6\\u65f6\\u95f4-0800\\u20132007\\u5e7411\\u670820\\u65e5 \\u4e0a\\u534810:10 \\u683c\\u6797\\u5c3c\\u6cbb\\u6807\\u51c6\\u65f6\\u95f4-0800", 
diff --git a/icu4c/source/test/intltest/dtptngts.cpp b/icu4c/source/test/intltest/dtptngts.cpp
index 3bbb609e02..05a168175b 100644
--- a/icu4c/source/test/intltest/dtptngts.cpp
+++ b/icu4c/source/test/intltest/dtptngts.cpp
@@ -122,18 +122,18 @@ void IntlTestDateTimePatternGeneratorAPI::testAPI(/*char *par*/)
         UnicodeString("58:59"),
         UnicodeString("Januar 1999"),                         // de 11: yyyyMMMM
 
-        UnicodeString("1.1999"),                              // fi: yM (fixed expected result per ticket:6626:)
-        UnicodeString("tammikuuta 1999"),
+        UnicodeString("1.1999"),                              // fi  0: yM (fixed expected result per ticket:6626:)
+        UnicodeString("tammi 1999"),                          // fi  1: yMMM
         UnicodeString("13.1.1999"),
-        UnicodeString("13. tammikuuta 1999"),
+        UnicodeString("13. tammikuuta 1999"),                 // fi  3: yMMMd
         UnicodeString("13.1."),
-        UnicodeString("13. tammikuuta"),
+        UnicodeString("13. tammikuuta"),                      // fi  5: MMMd
         UnicodeString("1. nelj. 1999"),
         UnicodeString("11.58 ip."),                           // fi  7: hhmm
         UnicodeString("23.58"),
         UnicodeString("23.58"),                               // fi  9: jjmm
         UnicodeString("58.59"),
-        UnicodeString("tammikuuta 1999"),                     // fi 11: yyyyMMMM
+        UnicodeString("tammikuu 1999"),                       // fi 11: yyyyMMMM
 
         UnicodeString("1999/1"),                              // ja 0: yM    -> y/M
         CharsToUnicodeString("1999\\u5E741\\u6708"),          // ja 1: yMMM  -> y\u5E74M\u6708