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title: "EOMONTH (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/04/2017" ms.prod: "sql" ms.prod_service: "database-engine, sql-database, sql-data-warehouse, pdw" ms.service: "" ms.component: "t-sql|functions" ms.reviewer: "" ms.suite: "sql" ms.technology:

  • "database-engine" ms.tgt_pltfrm: "" ms.topic: "language-reference" f1_keywords:
  • "EOMONTH"
  • "EOMONTH_TSQL" dev_langs:
  • "TSQL" helpviewer_keywords:
  • "EOMONTH function" ms.assetid: 1d060d8e-3297-4244-afef-57df2f8f92e2 caps.latest.revision: 19 author: "edmacauley" ms.author: "edmaca" manager: "craigg" ms.workload: "Active" monikerRange: ">= aps-pdw-2016 || = azuresqldb-current || = azure-sqldw-latest || >= sql-server-2016 || = sqlallproducts-allversions"

EOMONTH (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2012-all-md]

Returns the last day of the month that contains the specified date, with an optional offset.

Topic link icon Transact-SQL Syntax Conventions

Syntax

EOMONTH ( start_date [, month_to_add ] )

Arguments

start_date
Date expression specifying the date for which to return the last day of the month.

month_to_add
Optional integer expression specifying the number of months to add to start_date.

If this argument is specified, then EOMONTH adds the specified number of months to start_date, and then returns the last day of the month for the resulting date. If this addition overflows the valid range of dates, then an error is raised.

Return Type

date

Remarks

This function can be remoted to [!INCLUDEssSQL11] servers and higher. It cannot be remoted to servers with a version lower than [!INCLUDEssSQL11].

Examples

A. EOMONTH with explicit datetime type

DECLARE @date DATETIME = '12/1/2011';  
SELECT EOMONTH ( @date ) AS Result;  
GO

[!INCLUDEssResult]

Result  
------------  
2011-12-31  
  
(1 row(s) affected)

B. EOMONTH with string parameter and implicit conversion

DECLARE @date VARCHAR(255) = '12/1/2011';  
SELECT EOMONTH ( @date ) AS Result;  
GO

[!INCLUDEssResult]

Result  
------------  
2011-12-31  
  
(1 row(s) affected)

C. EOMONTH with and without the month_to_add parameter

DECLARE @date DATETIME = GETDATE();  
SELECT EOMONTH ( @date ) AS 'This Month';  
SELECT EOMONTH ( @date, 1 ) AS 'Next Month';  
SELECT EOMONTH ( @date, -1 ) AS 'Last Month';  
GO

[!INCLUDEssResult]

This Month  
-----------------------  
2011-12-31  
  
(1 row(s) affected)  
  
Next Month  
-----------------------  
2012-01-31  
  
(1 row(s) affected)  
  
Last Month  
-----------------------  
2011-11-30  
  
(1 row(s) affected)