SQL Date Problem With Time Zones
Nov 5, 2007
I just started having this problem since the change of clocks for end of DST.
I am running a client application that updates data in a SQL server via a web service.
The Client app is located in the Easter Time Zone (EST)
The Server is located in the Central Time Zone (CST)
I have a database in which a date/time value is entered. The Data Type for this field on the sql server is DateTime
How i have it working is, I send the Table, Fields and Values from the client app to the web service. The web service constructs the sql statement and executes it. Similarly, when I want to get data, i send the webservice the Table and Filter, and the webservice returns a DataSet.
The problem I am having, is when I send (Insert or update) a date to the WebService to update the SQL Database, it inserts/updates with the date I send. However, when I request that data, it then adjusts for the time zone difference.
Example:
Lets say it is November 11, 2007 at 12:35:10.000, (EST)
First, from the client, I insert a record with the date field as Now(). When I look in the SQL Database, I see the value is 2007-11-5 12:35:10.000 - Which is correct.
However, when I do query on that record, it returns the value of 2007-11-5 13:35:10.000 - adjusted One Hour for the time zone difference, even though if i look back at the SQL Server, it still has the original 12:35 value
Why is it adjusting for Time Zone difference only when I reqest data? How can I stop this? Or, How can I have it adjust on Insert/Update as well (I don't care if it adjust - i just need it to be the same/consistent on both ends)
Thanks
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Dec 19, 2006
I wanted to know how we can handle Time Zones and Daylight Savings Time in SQL Server 2000 as well as 2005.
Any pointers would be helpful.
Pranav
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May 10, 1999
We're considering one database in the far east, using merge replication with a database in London.
There's a time difference of maybe 7 hours between the two sites - has anyone ideas on conflict resolution (thinking about the Far East updating a record at 16:00 their time, London updates the same record at 15:30 GMT - how does SQL Server know that London's time is the correct record to use?).
Any info gratefully accepted.
Thanks
Dan
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Aug 28, 2015
I need to build a reference table that will contain the time zone, offset value and DST changes for all time zones. Is there a way I can pull this from the windows server hosting sql server?
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May 20, 2008
I would like to convert a UTC datetime value to any Local Time Zone. Below is some code I'm trying to ensure works correctly. Anyone care to comment?
I have used the following lines before the function to obtain the 2nd parameter:
SELECT GETUTCDATE()
SELECT GETDATE()
SELECT DATEDIFF(hh,'2008-05-20 20:08:01.020', '2008-05-20 16:08:01.020')
DECLARE @UTC DATETIME
EXECUTE @UTC = UTCtoLocalDate '2008-05-20 20:08:01.020', -4
-- =============================================
-- Description: <Converts local datetime values to UTC datetime values, using the built-in GETUTCDATE() function.
-- <Parameter two (@TZ) represents the time zone difference from UTC/GMT. To obtain this value
-- <run GETUTCDATE() and GETDATE(), then determine the timezone from the difference between the two.>
-- =============================================
CREATE FUNCTION [dbo].[UTCtoLocalDate] (@UTCDate DATETIME, @TZ INT)
RETURNS DATETIME AS
BEGIN
IF ( DATEPART(hh, @UTCDate) <> 0 )
BEGIN
DECLARE @LocalDate DATETIME
DECLARE @UTCDelta INT
DECLARE @thisYear INT
DECLARE @DSTDay INT
DECLARE @NormalDay INT
DECLARE @DSTDate DATETIME
DECLARE @NormalDate DATETIME
SET @thisYear = YEAR(@UTCDate)
IF (@thisYear < 2007 )
BEGIN
SET @DSTDay = ( 2 + 6 * @thisYear - FLOOR(@thisYear / 4) ) % 7 + 1
SET @NormalDay = ( 31 - ( FLOOR( @thisYear * 5 / 4) + 1) % 7)
SET @DSTDate = '4/' + CAST(@DSTDay AS VARCHAR(2)) + '/' + CAST(@thisYear AS VARCHAR(4)) + ' 2:00:00.000 AM'
SET @NormalDate = '10/' + CAST(@NormalDay AS VARCHAR(2)) + '/' + CAST(@thisYear AS VARCHAR(4)) + ' 2:00:00.000 AM'
END
ELSE
BEGIN
SET @DSTDay = ( 14 - ( FLOOR( 1 + @thisYear * 5 / 4 ) ) % 7 )
SET @NormalDay = ( 7 - ( FLOOR ( 1 + @thisYear * 5 / 4) ) % 7 )
SET @DSTDate = '3/' + CAST(@DSTDay AS VARCHAR(2)) + '/' + CAST(@thisYear AS VARCHAR(4)) + ' 2:00:00.000 AM'
SET @NormalDate = '11/' + CAST(@NormalDay AS VARCHAR(2)) + '/' + CAST(@thisYear AS VARCHAR(4)) + ' 2:00:00.000 AM'
END
IF ((@UTCDate > @DSTDate) AND (@UTCDate < @NormalDate))
BEGIN
SET @UTCDelta = @TZ + 1
END
ELSE
BEGIN
SET @UTCDelta = @TZ
END
-- now convert utc date to local date
SET @LocalDate = DATEADD(Hour, @UTCDelta, @UTCDate)
END
ELSE
BEGIN
SET @LocalDate = @UTCDate
END
RETURN(@LocalDate)
END
GO
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Jun 30, 2007
This is driving me nuts..
I'm trying to extract some data from a table in oracle. The oracle table stores date and time seperately in 2 different columns. I need to merge these two columns and import to sql server database.
I'm struggling with this for a quite a while and I'm not able to get it working.
I tried the oracle query something like this,
SELECT
(TO_CHAR(ASOFDATE,'YYYYMMDD')||' '||TO_CHAR(ASOFTIME,'HH24:MM : SS')||':000') AS ASOFDATE
FROM TBLA
this gives me an output of 20070511 23:06:30:000
the space in MM : SS is intentional here, since without that space it appread as smiley
I'm trying to map this to datetime field in sql server 2005. It keeps failing with this error
The value could not be converted because of a potential loss of data
I'm struck with error for hours now. Any pointers would be helpful.
Thanks
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Aug 5, 2015
I'm looking for a way of taking a query which returns a set of date time fields (probable maximum of 20 rows) and looping through each value to see if it exists in a separate table.
E.g.
Query 1
Select ID, Person, ProposedEvent, DayField, TimeField
from MyOptions
where person = 'me'
Table
Select Person, ExistingEvent, DayField, TimeField
from MyTimetable
where person ='me'
Loop through Query 1 and if it finds ANY matching Dayfield AND Timefield in Query/Table 2, return the ProposedEvent (just as a message, the loop could stop there), if no match a message saying all is fine can proceed to process form blah blah.
I'm essentially wanting somebody to select a bunch of events in a form, query 1 then finds all the days and times those events happen and check that none of them exist in the MyTimetable table.
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Oct 22, 2015
I am trying to load previous days data at 3 am via a SSIS job.
The Date variable is initiated as DATEADD("dd",-1, GETDATE()) in the for loop.
Now, as this job runs at 3 am, and I set the variable as GETDATE() - 1, it excluded the data from 12 am to 3 am in the resultset as Date is set as YYYY-MM-DD 03:00:00:000 I need this to be set as YYYY-MM-DD 00:00:00:000
How can i do this?
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Jun 13, 2002
In SQL Server 2000:
How do I convert a Julian date to a Gregorian date?
How do I convert a Gregorian date to Julian?
Examples please.
Many thanks in advance.
Gary Andrews
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Apr 26, 2006
Here is the way SQL Server 2005 Express is currently setup:
SQL server has IP of 192.168.8.200. (DMZ zone - 192.168.8.*)
Web server has IP of 192.168.8.81. (DMZ zone - 192.168.8.*)
My workstation has IP of 192.168.1.100. (Trusted zone - 192.168.1.*)
So, I've been developing a web application that was stored in the trusted zone, and this application didn't have any problem connecting to the database on *.8.200. I even have SMSE running and I can manage the database without any connection problems. I moved the web application to the web server, without changing the web.config file, and now it will not connect from the webserver.
In the web.config file, the connection string is pointed to 192.168.8.200SQLEXPRESS. I'm confused because it seems that since the SQL server and the Web server are in the same zone, there shouldn't be any connection problem.
In the Firewall, I have port 1433 open for TCP/UDP for ANY -> ANY...so I think the firewall is configured correctly?
Please advise! Thanks!
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Mar 18, 2014
I have the following
Column Name : [Converted Date]
Data Type : varchar(50)
When I try and do month around the [Converted Date] I get the following error message
“Msg 241, Level 16, State 1, Line 2
Conversion failed when converting date and/or time from character string.”
My Query is
SELECT
month([Created Date])
FROM [FDMS_PartnerReporting].[Staging].[Salesforce_MarketingReporting]
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Nov 16, 2015
SELECT * ,[Due]
FROM [Events]
Where Due >= getdate() +90
This returns the error: Conversion failed when converting date and/or time from character string
Why would this be? How to cast or convert this so that it will work?
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Nov 13, 2007
Hi there.
I'm trying to extract data from my SQL server & everything in the script I've got is working (extracting correct data) except for one field - which is for the most part it's off by +2 days (on a few occasions - I see it off by just +1 day or even +3, but it's usually the +2 days).
I'm told that it's due to the conversion formula - but - since SQL is not my native language, I'm at a bit of a loss.
The DB table has the date field stored as a type: CHAR (as opposed to 'DATE')
Can anyone out there help?
Please advise. Thanks.
Best.
K7
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Sep 5, 2007
Dear Expert!
A server with SQL 2005 sp2, Reporting Services and Sharepoint services (ver 3.0) (in integrated mode) gives an odd error. When viewing a Reporting Services report with a Date Time Picker, the date chosen is wrong. The preferred setting is Danish with the date format dd-mm-yyyy. The date picker shows the months in Danish but when selecting a date, and clicking on the Apply-button, the date reformats to US (mm-dd-yyyy).
Example:
When choosing 5th of September 2007 and clicking apply, it shows in the picker, 9th of May 2007.
When choosing 26th of September 2007 and clicking apply, it shows, again in US format, the RIGHT date but adds a timestamp 12:00 AM? in the end, making further enquiries to fail.
The report itself receives the right date and shows correctly. The only case it fails is, when the time stamp appears.
The server is a 32-bit one with 4 GB RAM. A testserver with identical collation on the Reportserver database cannot recreate the error. The site containing the reports has been set to Danish in the regional settings. To Reinstall is not an option.
The test report has no database connection whatsoever.
When setting the site to US, the timestamp wont appear at all.
The server has been restarted and the installation procedure was of the simple kind. No special tweaks at all.
Any advice would be greatly appreciated.
Kind Regards
Johan Rastenberger
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Jan 15, 2002
Hello,
we need to track date/time of last update for each record in a table.
As we understand it, we can't use field type Timestamp as this type does
not use dates/times.
Is there any SQL function available which we can bind to a column or
do we really have to use triggers?
Greetings from Mannheim, Germany
Ricardo
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Jan 15, 2002
Hello,
we need to track date/time of last update for each record in a table.
As we understand it, we can't use field type Timestamp as this type does
not use dates/times.
Is there any SQL function available which we can bind to a column or
do we really have to use triggers?
Greetings from Mannheim, Germany
Ricardo
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Nov 11, 2013
I want to update the time in a datetime field with the current time.
Fields current value is:
2013-11-11 00:00:00.000
I want to insert this into another table and when I do I want to grab the current time and update that field.
field name: picked_dt
Table: oeordlin
or is there a way through sql to update the time when the picked_dt is updated?
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Jun 12, 2007
Hi
i have the following situation. in my database i have a datetime field (dd/mm/yy hh:mms) and i also have a field timezone.
the timezone field has values in minutes that i should add to my datetime field so i have the actual time.
afterwards i split the datetime into date and time.
the last part i can accomplish (CONVERT (varchar, datetime, 103) as DATEVALUE and CONVERT (varchar, DATETIME, 108) as TIMEVALUE).
could anybody tell me how i can add the timezone value (in minutes) to my datetime value ?
i do all the calculations in my datasource (sql).
Thanks
V.
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Mar 16, 2014
I want to display only the date part of a date field which contains both date & time information.
For example I have the value '2013-11-14 00:00:00.000' in my result set, and ideally I would like to show only '2013-11-14'.
I have looked up the datepart() command, however I can't work out how to return all parts of the date, rather than just the year, month, or day.
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Jul 4, 2014
I have passed createdDate from UI to Stored procedure.createdDate field declared with DateTime.it is having value 2014-07-01.I need to fetch records from the database based upon the created field.but Create_TM in database having value Date with timestamp.so how would i change the createdfield in stored procedure.
ALTER PROCEDURE [dbo].[ByDateRange]
@Feed VARCHAR(50),
@CreatedDate DATETIME
select * from Date_table where Create_TM = @CreatedDate
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Dec 29, 2005
I have a table named "shift" and I need to setup my query to return only data where the field "startime" = today. The problem I am running into is the starttime field it laid out like "2005-12-29 14:00:00" with different time values. I need to ruturn everything that has todays date regardless of the time value. I tried using GetDate() but that is returning data for other days as well or just data before or after the current time. Does anyone have any suggestions? This is driving me crazy! Thanks, Garrett
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Oct 4, 2007
Hello,
We have a bunch of Audit tables that contain almost exact copies of the operations tables. The audit tables also include:
AuditID - the audit action (insert, modify - old, modify - new, deleted)
AuditDate - date and time of action
AuditUser - User who did it...
At the end of the day I need to know for any given record what it looked like at the beginning of the day and what it looks like at the end of the day. There could have been numerous changes to the record throughout the day, those records I am not interested in. Only the first record and the last record of a give day.
I am going to be doing a lot of MIN(AuditDate) and MAX(AuditDATE) and .. WHERE AuditDate BETWEEN '10/1/2007 00:00:00' AND '10/1/2007 11:59:59' ...
Question: Whats better for performance:
1. Separating out the date and time and doing a clusterd index on the date.
2. Keeping date and time in the same column and just use a normal index.
3. Better ideas?
Thanks,
Bradley
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May 2, 2008
Hi,I need a way of changing the following SQL statement so that the dates are without the hh:mm:ss tt:"Select DISTINCT([StartDate]) From [Events]"How can this be done?Thanks,Curt.
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Jan 8, 2013
I have a table in which a date value is stored as varchar.some of these values are stored ina dd/mm/yyyy format and other values are stored in a yyyy-mm-dd format..Now I wish to retrieve some data by querying between two dates. However I need to convert the varchar date value to datetime in order to do this but since the date value is in two different formats, the following doesn't work.
select date_value
from my_table
where CONVERT(DATETIME, date_value, 103) between @date1 and @date2
How can you convert the date value to datetime when its stored in mutiple formats. I can't change the table itself as I dont have admin privelages.
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Jan 24, 2008
Hello,
I am using the calender parameter and I need to convert my data date format to the one that matched that is returned on selecting a date from this calender. Can you show me what this format is.
how can I convert my existing date format to this format. The existing date format is 2007-07-26 21:27:13.000
thank you
Kiran
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May 16, 2008
How can I obtain just the time portion from a date/time column?
My data contains "2008-05-19 09:30:00.000"
Actually, all I want/need is the hh:mm part of it.
Thanks,
Walt
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May 5, 2004
SELECT ltrim(str(datepart(yyyy,getdate()))) +'-'+
replicate('0',2-len(ltrim(str(datepart(mm,getdate())))))+ltrim(str (datepart(mm,getdate())))+'-' +replicate('0',2-len(ltrim(str(datepart(dd,getdate())))))
+ltrim(str(datepart(dd,getdate())))
This is how i am getting datepart of datetime.Is there any other way to get the date and also time seperately..
Thanks.
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Feb 28, 2008
i have a query
select mydate,lastname from users
group by mydate,lastname
now the only thing is mydate is a datetime fields but i want the results to group by just the date for each lastname entered.
How do i do this?
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Jul 20, 2005
I have a table that's of type date/time (i.e. 01/01/1900 00:00:00).What I want is to do the following:Say you have these records:person | date-time-------+---------------------------jim | 06/02/2004 00:05:52jim | 06/02/2004 05:06:21jim | 06/02/2004 05:46:21jim | 06/15/2004 11:26:21jim | 06/15/2004 11:35:21dave | 06/04/2004 09:35:21dave | 06/04/2004 11:05:21dave | 06/06/2004 10:34:21dave | 06/08/2004 11:37:21I'd like the results to count how many days and returnperson | days-------+-------jim | 2dave | 3How would I do this?--[ Sugapablo ][ http://www.sugapablo.com <--music ][ http://www.sugapablo.net <--personal ][ Join Bytes! <--jabber IM ]
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Jan 24, 2008
I have an SSIS package that moves data from SQL Server to an legacy Access database. In SQL Server, there is a date/time column that I need to split into a separate date column and time column in the access database. Initially I just created a derrived column for the time and set the expression equal to the source date/time column from SQL Server. Unfortunately, that just makes the date column and time column the same having the full date/time.
What expression can I use during a derrived column transformation to assign just the date to a derrived column and just the time to another derrived column?
Thanks,
Steve
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Mar 2, 2007
I get the following error when I try to navigate to a report/model/data source, stored in a Sharepoint Document Library using a Sharepoint URL based on an Extranet or Intranet zone - but it works OK using the url for the Default zone:
System.Web.Services.Protocols.SoapException: The specified path refers to a SharePoint zone that is not supported. The default zone path must be used. ---> Microsoft.ReportingServices.Diagnostics.Utilities.SecurityZoneNotSupportedException: The specified path refers to a SharePoint zone that is not supported. The default zone path must be used.
Is this a limitation of the SQLRS-WSS3 integration or is there a workaround?
Many thanks to anyone who can help!
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Jul 13, 2006
I would like to know how to do a select on a datetime field that will return to me only the Date but not the time. Please help out. Thanks.
I ran through all the built in date functions and couldn't find anything for this task. I still can't fathom why there isn't a date function for this simple but a must have option.
blumonde
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Apr 3, 2008
Hi
I have created a simple SQL database with four columns using Microsoft SQL Server Mangement Studio Express - (Name(varchar), Email (varchar), Comment (varchar), Datetime). The idea is for this database to hold feedback and comments from my website by connecting a form view with insert capabilities to this database. How can I configure the Datetime column in the database to automaticaly input the time and date from when the user posted the comment?
Thanks
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