diff --git a/docs/en/API-reference.md b/docs/en/API-reference.md
index daba03a97..c3911a2d9 100644
--- a/docs/en/API-reference.md
+++ b/docs/en/API-reference.md
@@ -49,6 +49,7 @@ The `Dayjs` object is immutable, that is, all API operations that change the `Da
     - [RelativeTime](#relativetime)
     - [IsLeapYear](#isleapyear)
     - [WeekOfYear](#weekofyear)
+    - [IsBetween](#isbetween)
 
 ## Parsing
 
@@ -421,3 +422,9 @@ plugin [`IsLeapYear`](./Plugin.md#isleapyear)
 `.week` to get week of the year
 
 plugin [`WeekOfYear`](./Plugin.md#weekofyear)
+
+### IsBetween
+
+`.isBetween` to check if a date is between two other dates
+
+plugin [`IsBetween`](./Plugin.md#isbetween)
diff --git a/docs/en/Plugin.md b/docs/en/Plugin.md
index 0d2ff590b..2b8221655 100644
--- a/docs/en/Plugin.md
+++ b/docs/en/Plugin.md
@@ -155,6 +155,17 @@ dayjs.extend(weekOfYear)
 dayjs('06/27/2018').week() // 26
 ```
 
+### IsBetween
+ - IsBetween adds `.isBetween()` API to returns a `boolean` indicating if a date is between two other dates.
+
+```javascript
+import isBetween from 'dayjs/plugin/isBetween'
+
+dayjs.extend(isBetween)
+
+dayjs('2010-10-20').isBetween('2010-10-19', dayjs('2010-10-25')); // true
+```
+
 ## Customize
 
 You could build your own Day.js plugin to meet different needs.
diff --git a/docs/ja/API-reference.md b/docs/ja/API-reference.md
index e7b496374..e66825f95 100644
--- a/docs/ja/API-reference.md
+++ b/docs/ja/API-reference.md
@@ -47,6 +47,7 @@ Day.js は組み込みの `Date.prototype` を変更する代わりに `Dayjs` 
   * [RelativeTime](#relativetime)
   * [IsLeapYear](#isleapyear)
   * [WeekOfYear](#weekofyear)
+  * [IsBetween](#isbetween)
 
 ---
 
@@ -492,3 +493,9 @@ plugin [`IsLeapYear`](./Plugin.md#isleapyear)
 `.week` to get week of the year
 
 plugin [`WeekOfYear`](./Plugin.md#weekofyear)
+
+### IsBetween
+
+`.isBetween` to check if a date is between two other dates
+
+plugin [`IsBetween`](./Plugin.md#isbetween)
diff --git a/docs/ja/Plugin.md b/docs/ja/Plugin.md
index aaefb769b..2d487a23c 100644
--- a/docs/ja/Plugin.md
+++ b/docs/ja/Plugin.md
@@ -156,6 +156,17 @@ dayjs.extend(weekOfYear)
 dayjs('06/27/2018').week() // 26
 ```
 
+### IsBetween
+ - IsBetween adds `.isBetween()` API to returns a `boolean` indicating if a date is between two other dates.
+
+```javascript
+import isBetween from 'dayjs/plugin/isBetween'
+
+dayjs.extend(isBetween)
+
+dayjs('2010-10-20').isBetween('2010-10-19', dayjs('2010-10-25')); // true
+```
+
 ## カスタマイズ
 
 さまざまなニーズに合わせて独自の Day.js プラグインを構築することができます。
diff --git a/docs/ko/API-reference.md b/docs/ko/API-reference.md
index c7efa74e7..82d2ce370 100644
--- a/docs/ko/API-reference.md
+++ b/docs/ko/API-reference.md
@@ -49,6 +49,7 @@ Day.js는 네이티브 `Date.prototype`을 수정하는 대신 `Dayjs` 오브젝
     - [RelativeTime](#relativetime)
     - [IsLeapYear](#isleapyear)
     - [WeekOfYear](#weekofyear)
+    - [IsBetween](#isbetween)
 
 ## Parsing
 
@@ -421,3 +422,9 @@ plugin [`IsLeapYear`](./Plugin.md#isleapyear)
 `.week` to get week of the year
 
 plugin [`WeekOfYear`](./Plugin.md#weekofyear)
+
+### IsBetween
+
+`.isBetween` to check if a date is between two other dates
+
+plugin [`IsBetween`](./Plugin.md#isbetween)
diff --git a/docs/ko/Plugin.md b/docs/ko/Plugin.md
index c6f7bb3c8..4a316b079 100644
--- a/docs/ko/Plugin.md
+++ b/docs/ko/Plugin.md
@@ -155,6 +155,17 @@ dayjs.extend(weekOfYear)
 dayjs('06/27/2018').week() // 26
 ```
 
+### IsBetween
+ - IsBetween adds `.isBetween()` API to returns a `boolean` indicating if a date is between two other dates.
+
+```javascript
+import isBetween from 'dayjs/plugin/isBetween'
+
+dayjs.extend(isBetween)
+
+dayjs('2010-10-20').isBetween('2010-10-19', dayjs('2010-10-25')); // true
+```
+
 ## Customize
 
 다양한 요구를 충족하기위해 자신만의 Day.js 플러그인을 만들 수 있습니다.
diff --git a/docs/pt-br/API-reference.md b/docs/pt-br/API-reference.md
index a98bfdf9e..d926058ed 100644
--- a/docs/pt-br/API-reference.md
+++ b/docs/pt-br/API-reference.md
@@ -47,6 +47,7 @@ Este objeto `Dayjs` é imutável, ou seja, todas as operações desta API irão
   * [RelativeTime](#relativetime)
   * [IsLeapYear](#isleapyear)
   * [WeekOfYear](#weekofyear)
+  * [IsBetween](#isbetween)
 
 ---
 O Day.js sempre irá retornar um novo objeto `Dayjs` se nada for especificado.
@@ -470,3 +471,9 @@ plugin [`IsLeapYear`](./Plugin.md#isleapyear)
 `.week` to get week of the year
 
 plugin [`WeekOfYear`](./Plugin.md#weekofyear)
+
+### IsBetween
+
+`.isBetween` to check if a date is between two other dates
+
+plugin [`IsBetween`](./Plugin.md#isbetween)
diff --git a/docs/pt-br/Plugin.md b/docs/pt-br/Plugin.md
index c1fff9045..3aab98ea7 100644
--- a/docs/pt-br/Plugin.md
+++ b/docs/pt-br/Plugin.md
@@ -155,6 +155,17 @@ dayjs.extend(weekOfYear)
 dayjs('06/27/2018').week() // 26
 ```
 
+### IsBetween
+ - IsBetween adds `.isBetween()` API to returns a `boolean` indicating if a date is between two other dates.
+
+```javascript
+import isBetween from 'dayjs/plugin/isBetween'
+
+dayjs.extend(isBetween)
+
+dayjs('2010-10-20').isBetween('2010-10-19', dayjs('2010-10-25')); // true
+```
+
 ## Customizar
 
 Você também pode construir seu próprio plugin Day.js para diferentes necessidades. Sinta-se à vontade para abrir um pull request e compartilhar seu plugin com a comunidade.
diff --git a/docs/zh-cn/API-reference.md b/docs/zh-cn/API-reference.md
index 2a2d62b76..48340ebee 100644
--- a/docs/zh-cn/API-reference.md
+++ b/docs/zh-cn/API-reference.md
@@ -47,6 +47,7 @@
   * [相对时间](#relativetime)
   * [是否是闰年](#是否是闰年)
   * [年中的第几周](#年中的第几周)
+  * [是否之间](#isbetween)
 
 ---
 如果没有特别说明，Day.js 的返回值都是新的 `Dayjs` 对象。
@@ -370,4 +371,10 @@ dayjs.isDayjs(new Date()); // false
 
 `.week` 获取是第几个周
 
-插件 [`WeekOfYear`](./Plugin.md#weekofyear)
\ No newline at end of file
+插件 [`WeekOfYear`](./Plugin.md#weekofyear)
+
+### 是否之间
+
+`.isBetween` 返回一个时间是否介于两个时间之间
+
+plugin [`IsBetween`](./Plugin.md#isbetween)
\ No newline at end of file
diff --git a/docs/zh-cn/Plugin.md b/docs/zh-cn/Plugin.md
index 959494674..bc1671949 100644
--- a/docs/zh-cn/Plugin.md
+++ b/docs/zh-cn/Plugin.md
@@ -155,6 +155,17 @@ dayjs.extend(weekOfYear)
 dayjs('06/27/2018').week() // 26
 ```
 
+### IsBetween
+ - IsBetween 增加了 `.isBetween()` API 返回一个 `boolean` 来展示一个时间是否介于两个时间之间.
+
+```javascript
+import isBetween from 'dayjs/plugin/isBetween'
+
+dayjs.extend(isBetween)
+
+dayjs('2010-10-20').isBetween('2010-10-19', dayjs('2010-10-25')); // true
+```
+
 ## 自定义
 
 你可以根据需要自由的编写一个Day.js插件