how to convert bigint to datetime in sql server

Question

2.50/5 (2 votes)

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Hello,

I have a value in bigint and i need to convert it into datetime my value is this "19820201150000" i tried these solutions but not a single solution is working.

SQL

SELECT DATEADD(SECOND, 1218456040709 / 1000, '19691231 20:00')

SELECT DATEADD(SECOND, 19820201150000 / 1000, '19691231 20:00')

select dateadd(hh,-4,dateadd(ss,19820201150000/1000,'1970/01/01 00:00'))

select CONVERT(DATETIME,REPLACE(DATEADD( day, 19820201150000, '12/31/1849'),'12/31/1849',0),101)

select dateadd(ss, 19820201150000/1000, '19691231 20:00')

SELECT DateAdd(ms, 19820201150000 % 1000, DateAdd(SECOND, 19820201150000 /  1000, '1970-01-01T00:00:00.000')) AS ToTheMs,
   DateAdd(SECOND, 19820201150000 /  1000, '1970-01-01T00:00:00.000')  AS ToTheSecond,
   DateAdd(MINUTE, 19820201150000 / 60000, '1970-01-01T00:00:00.000')  AS ToTheSecond

Posted 24-Sep-14 21:08pm

srishti_

Updated 9-May-18 5:05am

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4 solutions

Solution 1

Check the below url
http://stackoverflow.com/questions/3650320/convert-from-bigint-to-datetime-value

Posted 24-Sep-14 21:18pm

ChauhanAjay

Updated 24-Sep-14 21:24pm

v4

Solution 3

SQL

First please check with this 1982020115000.  (i removed one zero what you gave in the question because as per my knowledge that value should be 13 digits) now it is working
SELECT DATEADD(SECOND, 1982020115000 / 1000, '19691231 20:00')

Posted 29-Sep-14 1:07am

Samatha Reddy G

Updated 29-Sep-14 1:17am

v3

Solution 4

SQL

this is the solution

SELECT DATEADD(S, @your-big-int, '19700101')

Posted 29-Sep-14 2:51am

srishti_

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george4986 · Accepted Answer · 2014-09-24T21:34:00

check this

SQL

DECLARE @di_date BIGINT
SET @di_date=19820201150000

DECLARE @ds_date VARCHAR(20)
SET @ds_date=CONVERT(VARCHAR(20), @di_date )

select
Convert(time,Dateadd(SECOND,
        Right(@ds_date,2)/1,
        Dateadd(MINUTE,
                Right(@ds_date,4)/100,
                Dateadd(hour,
                        Right(@ds_date,6)/10000,
                        '1900-01-01')))) +
convert(datetime,LEFT(@ds_date,8)) as DateConverted

credits http://rdineshkumar.wordpress.com/tag/how-to-convert-yyyymmddhhmmss-to-datetimedatetime-in-sql-server