SQL Server CONVERT() Function

Definition and Usage

The CONVERT() function is a general function that converts dates to new data types.

The CONVERT() function can display date/time data in different formats.

Syntax

CONVERT(data_type(length),data_to_be_converted,style)

data_type(length) Specify the target data type (with optional length).data_to_be_converted Contains values that need to be converted.style specify the output format for dates and times.

available for use style Value:

Style ID Style Format
100 or 0 mon dd yyyy hh:miAM (or PM)
101 mm/dd/yy
102 yy.mm.dd
103 dd/mm/yy
104 dd.mm.yy
105 dd-mm-yy
106 dd mon yy
107 Mon dd, yy
108 hh:mm:ss
109 or 9 mon dd yyyy hh:mi:ss:mmmAM (or PM)
110 mm-dd-yy
111 yy/mm/dd
112 yymmdd
113 or 13 dd mon yyyy hh:mm:ss:mmm (24h)
114 hh:mi:ss:mmm (24h)
120 or 20 yyyy-mm-dd hh:mi:ss (24h)
121 or 21 yyyy-mm-dd hh:mi:ss.mmm (24h)
126 yyyy-mm-ddThh:mm:ss.mmm (without spaces)
130 dd mon yyyy hh:mi:ss:mmmAM
131 dd/mm/yy hh:mi:ss:mmmAM

Example

The following script uses the CONVERT() function to display different formats. We will use the GETDATE() function to obtain the current date/time:

CONVERT(VARCHAR(19),GETDATE())
CONVERT(VARCHAR(10),GETDATE(),110) 
CONVERT(VARCHAR(11),GETDATE(),106)
CONVERT(VARCHAR(24),GETDATE(),113)

The results are similar:

Dec 29 2008 11:45 PM
12-29-2008
29 Dec 08
29 Dec 2008 16:25:46.635