diff --git a/dateparser/data/date_translation_data/zh-Hans.py b/dateparser/data/date_translation_data/zh-Hans.py
index c5add38a5..1f7798e64 100644
--- a/dateparser/data/date_translation_data/zh-Hans.py
+++ b/dateparser/data/date_translation_data/zh-Hans.py
@@ -1,5 +1,5 @@
 info = {
-    "name": "zh-Hans",
+    "name": "zh",
     "date_order": "YMD",
     "january": [
         "一月",
@@ -51,31 +51,40 @@
     ],
     "monday": [
         "星期一",
-        "周一"
+        "周一",
+        "礼拜一"
     ],
     "tuesday": [
         "星期二",
-        "周二"
+        "周二",
+        "礼拜二"
     ],
     "wednesday": [
         "星期三",
-        "周三"
+        "周三",
+        "礼拜三"
     ],
     "thursday": [
         "星期四",
-        "周四"
+        "周四",
+        "礼拜四"
     ],
     "friday": [
         "星期五",
-        "周五"
+        "周五",
+        "礼拜五"
     ],
     "saturday": [
         "星期六",
-        "周六"
+        "周六",
+        "礼拜六"
     ],
     "sunday": [
         "星期日",
-        "周日"
+        "周日",
+        "星期天",
+        "礼拜日",
+        "礼拜天"
     ],
     "am": [
         "上午"
@@ -87,13 +96,17 @@
         "年"
     ],
     "month": [
-        "月"
+        "月",
+        "个月",
+        "個月"
     ],
     "week": [
-        "周"
+        "周",
+        "星期"
     ],
     "day": [
-        "日"
+        "日",
+        "天"
     ],
     "hour": [
         "小时"
@@ -150,6 +163,9 @@
         ],
         "0 second ago": [
             "现在"
+        ],
+        "2 day ago": [
+            "前天"
         ]
     },
     "relative-type-regex": {
@@ -198,23 +214,11 @@
             "(\\d+)秒前"
         ]
     },
-    "locale_specific": {
-        "zh-Hans-SG": {
-            "name": "zh-Hans-SG",
-            "date_order": "DMY"
-        },
-        "zh-Hans-HK": {
-            "name": "zh-Hans-HK",
-            "date_order": "DMY"
-        },
-        "zh-Hans-MO": {
-            "name": "zh-Hans-MO",
-            "date_order": "DMY"
-        }
-    },
+    "locale_specific": {},
     "no_word_spacing": "True",
     "sentence_splitter_group": 4,
     "skip": [
+        "约",
         " ",
         ".",
         ",",
@@ -227,5 +231,37 @@
         "[",
         "]",
         "，"
+    ],
+    "ago": [
+        "前"
+    ],
+    "in": [
+        "在"
+    ],
+    "simplifications": [
+        {
+            "半小时前": "30分前"
+        },
+        {
+            "(?:中午|下午|(?:晚上?))(?:\\s*)(\\d+)(?:\\s*):(?:\\s+|:)?(\\d+)": "\\1:\\2 pm"
+        },
+        {
+            "(?:上午|早上|凌晨)(?:\\s*)(\\d+)(?:\\s*):(?:\\s+|:)?(\\d+)": "\\1:\\2 am"
+        },
+        {
+            "中午": "12:00"
+        },
+        {
+            "(\\d+)年(?:\\s+)?(\\d+)月(?:\\s+)?(\\d+)日(?:\\s+)?(\\d+)时(?:\\s+)?(\\d+)分": "\\1-\\2-\\3 \\4:\\5"
+        },
+        {
+            "(\\d+)年(?:\\s+)?(\\d+)月(?:\\s+)?(\\d{1,2})(?:日)?(?:\\s+)?(\\d{1,2})(?:点|:)(\\d{1,2})": "\\1-\\2-\\3 \\4:\\5"
+        },
+        {
+            "(\\d+)年(?:\\s+)?(\\d+)月(?:\\s+)?(\\d{1,2})(?:日)?": "\\1-\\2-\\3"
+        },
+        {
+            "(\\d+)月(?=.*[前后])": "\\1 月"
+        }
     ]
-}
+}
\ No newline at end of file
diff --git a/dateparser/data/date_translation_data/zh.py b/dateparser/data/date_translation_data/zh.py
index a9ef5501b..80e75edf6 100644
--- a/dateparser/data/date_translation_data/zh.py
+++ b/dateparser/data/date_translation_data/zh.py
@@ -93,7 +93,8 @@
         "下午"
     ],
     "year": [
-        "年"
+        "年",
+        "年度"
     ],
     "month": [
         "月",
@@ -102,7 +103,8 @@
     ],
     "week": [
         "周",
-        "星期"
+        "星期",
+        "礼拜"
     ],
     "day": [
         "日",
@@ -173,31 +175,60 @@
             "(\\d+)年后"
         ],
         "\\1 year ago": [
-            "(\\d+)年前"
+            "(\\d+)年前",
+            "(\\d+)载前",
+            "前一(\\d+)年",
+        "前一(\\d+)载",
         ],
         "in \\1 month": [
             "(\\d+)个月后"
         ],
         "\\1 month ago": [
+            "(\\d+)个月前",
+            "(\\d+)月前",
+            "(\\d+)月前"
             "(\\d+)个月前"
+            "前一(\\d+)月"
+            "前一(\\d+)个月"
         ],
         "in \\1 week": [
-            "(\\d+)周后"
+            "(\\d+)周后",
         ],
         "\\1 week ago": [
-            "(\\d+)周前"
+            "(\\d+)周前",
+            "(\\d+)个周前",
+            "(\\d+)星期前",
+            "(\\d+)个星期前",
+            "(\\d+)礼拜前",
+            "(\\d+)个礼拜前",
+            "前一(\\d+)周",
+            "前一(\\d+)星期",
+            "前一(\\d+)个星期",
+            "前一(\\d+)礼拜",
+            "前一(\\d+)个礼拜"
         ],
         "in \\1 day": [
             "(\\d+)天后"
         ],
         "\\1 day ago": [
-            "(\\d+)天前"
+            "(\\d+)天前",
+            "(\\d+)日前",
+            "前一(\\d+)天",
+            "前一(\\d+)日",
+
         ],
         "in \\1 hour": [
             "(\\d+)小时后"
         ],
         "\\1 hour ago": [
-            "(\\d+)小时前"
+            "(\\d+)小时前",
+            "(\\d+)钟头前",
+            "(\\d+)个小时前",
+            "(\\d+)个钟头前",
+            "前一(\\d+)小时",
+            "前一(\\d+)个小时",
+            "前一(\\d+)钟头",
+            "前一(\\d+)个钟头"
         ],
         "in \\1 minute": [
             "(\\d+)分钟后"