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SYSUTCDATETIME (Transact-SQL)

SYSUTCDATETIME (Transact-SQL)

 

Applies To: SQL Server 2014, SQL Server 2016 Preview

Returns a datetime2 value that contains the date and time of the computer on which the instance of SQL Server is running. The date and time is returned as UTC time (Coordinated Universal Time). The fractional second precision specification has a range from 1 to 7 digits. The default precision is 7 digits.

System_CAPS_noteNote

SYSDATETIME and SYSUTCDATE have more fractional seconds precision than GETDATE and GETUTCDATE. SYSDATETIMEOFFSET includes the system time zone offset. SYSDATETIME, SYSUTCDATE, and SYSDATETIMEOFFSET can be assigned to a variable of any one of the date and time types.

For an overview of all Transact-SQL date and time data types and functions, see Date and Time Data Types and Functions.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database, Azure SQL Data Warehouse Public Preview.

Topic link icon Transact-SQL Syntax Conventions


SYSUTCDATETIME ( )

datetime2

Transact-SQL statements can refer to SYSUTCDATETIME anywhere they can refer to a datetime2 expression.

SYSUTCDATETIME is a nondeterministic function. Views and expressions that reference this function in a column cannot be indexed.

System_CAPS_noteNote

SQL Server obtains the date and time values by using the GetSystemTimeAsFileTime() Windows API. The accuracy depends on the computer hardware and version of Windows on which the instance of SQL Server is running. The precision of this API is fixed at 100 nanoseconds. The accuracy can be determined by using the GetSystemTimeAdjustment() Windows API.

The following examples use the six SQL Server system functions that return current date and time to return the date, time, or both. The values are returned in series; therefore, their fractional seconds might be different.

The following example shows the different formats that are returned by the date and time functions.

SELECT SYSDATETIME() AS SYSDATETIME
    ,SYSDATETIMEOFFSET() AS SYSDATETIMEOFFSET
    ,SYSUTCDATETIME() AS SYSUTCDATETIME
    ,CURRENT_TIMESTAMP AS CURRENT_TIMESTAMP
    ,GETDATE() AS GETDATE
    ,GETUTCDATE() AS GETUTCDATE;

Here is the result set.

SYSDATETIME() 2007-04-30 13:10:02.0474381

SYSDATETIMEOFFSET()2007-04-30 13:10:02.0474381 -07:00

SYSUTCDATETIME() 2007-04-30 20:10:02.0474381

CURRENT_TIMESTAMP 2007-04-30 13:10:02.047

GETDATE() 2007-04-30 13:10:02.047

GETUTCDATE() 2007-04-30 20:10:02.047

The following example shows you how to convert date and time values to date.

SELECT CONVERT (date, SYSDATETIME())
    ,CONVERT (date, SYSDATETIMEOFFSET())
    ,CONVERT (date, SYSUTCDATETIME())
    ,CONVERT (date, CURRENT_TIMESTAMP)
    ,CONVERT (date, GETDATE())
    ,CONVERT (date, GETUTCDATE());

Here is the result set.

2007-04-30

2007-04-30

2007-04-30

2007-04-30

2007-04-30

2007-04-30

The following example shows you how to convert date and time values to time.

DECLARE @DATETIME DATETIME = GetDate();

DECLARE @TIME TIME

SELECT @TIME = CONVERT(time, @DATETIME)

SELECT @TIME AS 'Time', @DATETIME AS 'Date Time'

Here is the result set.

Time Date Time

13:49:33.6330000 2009-04-22 13:49:33.633

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