diff --git a/share/timedef/zh_CN.GB2312.src b/share/timedef/zh_CN.GB2312.src
index e98dc5fc28fa..ab5504114e8c 100644
--- a/share/timedef/zh_CN.GB2312.src
+++ b/share/timedef/zh_CN.GB2312.src
@@ -4,18 +4,18 @@
 # -----------------------------------------------------------------------------
 #
 # Short month names
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
-10
-11
-12
+!!#1TB
+!!#2TB
+!!#3TB
+!!#4TB
+!!#5TB
+!!#6TB
+!!#7TB
+!!#8TB
+!!#9TB
+#1#0TB
+#1#1TB
+#1#2TB
 #
 # Long month names (as in a date)
 一月
@@ -63,7 +63,7 @@
 下午
 #
 # date_fmt
-%Y年%b月%e日 %A %X %Z
+%Y年%_m月%e日 %A %X %Z
 #
 # Long month names (without case ending)
 一月
diff --git a/share/timedef/zh_CN.GBK.src b/share/timedef/zh_CN.GBK.src
index e98dc5fc28fa..7079ac09d15c 100644
--- a/share/timedef/zh_CN.GBK.src
+++ b/share/timedef/zh_CN.GBK.src
@@ -4,18 +4,18 @@
 # -----------------------------------------------------------------------------
 #
 # Short month names
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
-10
-11
-12
+ 1月
+ 2月
+ 3月
+ 4月
+ 5月
+ 6月
+ 7月
+ 8月
+ 9月
+10月
+11月
+12月
 #
 # Long month names (as in a date)
 一月
@@ -63,7 +63,7 @@
 下午
 #
 # date_fmt
-%Y年%b月%e日 %A %X %Z
+%Y年%_m月%e日 %A %X %Z
 #
 # Long month names (without case ending)
 一月
diff --git a/share/timedef/zh_CN.UTF-8.src b/share/timedef/zh_CN.UTF-8.src
index 2460706f3bf3..a99e12b185d3 100644
--- a/share/timedef/zh_CN.UTF-8.src
+++ b/share/timedef/zh_CN.UTF-8.src
@@ -4,18 +4,18 @@
 # -----------------------------------------------------------------------------
 #
 # Short month names
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
-10
-11
-12
+ 1鏈�
+ 2鏈�
+ 3鏈�
+ 4鏈�
+ 5鏈�
+ 6鏈�
+ 7鏈�
+ 8鏈�
+ 9鏈�
+10鏈�
+11鏈�
+12鏈�
 #
 # Long month names (as in a date)
 涓�鏈�
@@ -63,7 +63,7 @@
 涓嬪崍
 #
 # date_fmt
-%Y骞�%b鏈�%e鏃� %A %X %Z
+%Y骞�%_m鏈�%e鏃� %A %X %Z
 #
 # Long month names (without case ending)
 涓�鏈�
diff --git a/share/timedef/zh_CN.eucCN.src b/share/timedef/zh_CN.eucCN.src
index e98dc5fc28fa..34803e405078 100644
--- a/share/timedef/zh_CN.eucCN.src
+++ b/share/timedef/zh_CN.eucCN.src
@@ -4,18 +4,18 @@
 # -----------------------------------------------------------------------------
 #
 # Short month names
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
-10
-11
-12
+　１月
+　２月
+　３月
+　４月
+　５月
+　６月
+　７月
+　８月
+　９月
+１０月
+１１月
+１２月
 #
 # Long month names (as in a date)
 一月
@@ -63,7 +63,7 @@
 下午
 #
 # date_fmt
-%Y年%b月%e日 %A %X %Z
+%Y年%_m月%e日 %A %X %Z
 #
 # Long month names (without case ending)
 一月
diff --git a/share/timedef/zh_TW.Big5.src b/share/timedef/zh_TW.Big5.src
index 4ed7cdeeda12..2930f5ffc9d6 100644
--- a/share/timedef/zh_TW.Big5.src
+++ b/share/timedef/zh_TW.Big5.src
@@ -4,18 +4,18 @@
 # -----------------------------------------------------------------------------
 #
 # Short month names
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
-10
-11
-12
+る
+⒈る
+⒉る
+⒊る
+⒋る
+⒌る
+⒍る
+⒎る
+⒏る
+る
+る
+⒈る
 #
 # Long month names (as in a date)
 1る
@@ -63,7 +63,7 @@
 と
 #
 # date_fmt
-%Y%bる%eら %A %X %Z
+%Y%_mる%eら %A %X %Z
 #
 # Long month names (without case ending)
 1る
diff --git a/share/timedef/zh_TW.UTF-8.src b/share/timedef/zh_TW.UTF-8.src
index 3121d4a4f4fc..3affab634a21 100644
--- a/share/timedef/zh_TW.UTF-8.src
+++ b/share/timedef/zh_TW.UTF-8.src
@@ -4,18 +4,18 @@
 # -----------------------------------------------------------------------------
 #
 # Short month names
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
-10
-11
-12
+ 1鏈�
+ 2鏈�
+ 3鏈�
+ 4鏈�
+ 5鏈�
+ 6鏈�
+ 7鏈�
+ 8鏈�
+ 9鏈�
+10鏈�
+11鏈�
+12鏈�
 #
 # Long month names (as in a date)
 1鏈�
@@ -63,7 +63,7 @@
 涓嬪崍
 #
 # date_fmt
-%Y骞�%b鏈�%e鏃� %A %X %Z
+%Y骞�%_m鏈�%e鏃� %A %X %Z
 #
 # Long month names (without case ending)
 1鏈�