I would like to convert a GETUTCDATE() call to a timezone using a timezone string like 'Eastern Standard Time' or any timezone string located in the registry under HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones. Is there a method to do that or am I venturing into SQLCLR territory?
Current suggestions I've seen:
print CONVERT(datetime2, DATEADD(HOUR, -4, GETUTCDATE()))
Output:
2015-09-08 15:22:50.5000000
I'd like to see this with DST working.
Is something like this possible?
print CONVERT(datetime2, DATEADD(HOUR, 'Eastern Standard Time', GETUTCDATE()))
I have SQL Server 2012 Standard available to me. Any suggestions? Thank you in advance!
You need to check out DATETIMEOFFSET datatype which is a datetime datatype that includes that timezone.
Also, there's a function called SWITCHOFFSET which allows you to switch a given DATETIMEOFFSET to another timezone.
With those two pieces, you can do:
DECLARE #CurrentDateTime DATETIMEOFFSET
SELECT #CurrentDateTime = SYSDATETIMEOFFSET()
DECLARE #OtherDateTime DATETIMEOFFSET
SELECT #OtherDateTime = SWITCHOFFSET(#CurrentDateTime, `-05:00')
You can use
SYSDATETIMEOFFSET() AT TIME ZONE 'Eastern Standard Time'
This returns datetime with offset in zone you specify. This can easly converted to datetime, datetime2
Related
I am new to SQL and I want to add/subtract the offset value into the DateTime and return new date.
Currently, I am using this
SELECT
GETUTCDATE() AS UTCDate,
GETUTCDATE() AT TIME ZONE 'Eastern Standard Time'
which returns these values:
Current Result : 2021-12-28 07:19:39.320 -05:00
Expected Result : 2021-12-28 02:19:39.320
How can I achieve this? Any help would be appreciated. Thanks
You can use DATEADD and DATEDIFF function:
SELECT GETUTCDATE() AS UTCDate, GETUTCDATE() AT TIME ZONE 'Eastern
Standard Time' ,
DATEADD(MINUTE, DATEDIFF(MINUTE ,GETUTCDATE(), GETUTCDATE() AT TIME ZONE
'Eastern Standard Time')*-1, GETUTCDATE())
GETUTCDATE() returns datetime type. You can use SYSDATETIMEOFFSET() instead to get datetimeoffset and convert it to a desired timezone.
SELECT
SYSDATETIMEOFFSET() AS UTCDate_with_timezone,
SYSDATETIMEOFFSET() AT TIME ZONE 'Eastern Standard Time';
When AT TIME ZONE operator is applied to datetime value it does not change the value, you just inform the system what is the timezone. And this timezone will be just appended to the value.
Server time is 'UTC' and cannot be changed due to my database being Azure SQL. I know you can convert to other time zones. However, I'm not sure how to apply this correctly.
In short. I need to be able to pull and job based on 'start date' but by Central Standard Time.
I did comment out where I tried some things. My issue is, I'm not sure how to apply the offset to the 'Start Date' for what is returned in the front end.
The 'WHERE' statement does technically work to only return 'Today's Jobs', however returns based on UTC time which won't work for people using this in Central Standard Time Zone. How do I offset this properly?
Much appreciation for the help.
begin
--declare #dto datetimeoffset = switchoffset (CONVERT(datetimeoffset, GETDATE()), '-6:00');
--DECLARE #dto datetimeoffset
--SET #dto = (SELECT GETUTCDATE() AT TIME ZONE 'Central Standard Time')
--SELECT SWITCHOFFSET(SYSDATETIMEOFFSET(), '-05:00')
declare #today datetimeoffset;
--set #today = switchoffset (convert(time, getdate()), '-05:00');
set #today = getdate();
SELECT dbo.Projects.ProjectID, dbo.Projects.ProjectName, dbo.Jobs.JobID, dbo.Jobs.Status, dbo.Jobs.StartDate, dbo.Jobs.EndDate, dbo.Jobs.CompletedDate, dbo.JobType.JobTypeID, dbo.JobType.JobTypeDescription
FROM dbo.Jobs INNER JOIN dbo.Projects ON dbo.Jobs.ProjectID = dbo.Projects.ProjectID
INNER JOIN dbo.JobType ON dbo.Jobs.JobTypeID = dbo.JobType.JobTypeID
WHERE convert(varchar(10), StartDate, 102)
= convert(varchar(10), #today, 102)
ORDER BY JobID DESC
End
Azure SQL database always follows UTC. Use AT TIME ZONE in Azure SQL Database if you need to convert date and time information in a non-UTC time zone.
AT TIME ZONE converts input date to target time zone. It returns datetimeoffset value in the target time zone.
Query:
declare #current_cst datetimeoffset;
set #current_cst = (SELECT getdate() AT TIME ZONE 'UTC' AT TIME ZONE 'Central Standard Time')
declare #current_utc datetimeoffset;
set #current_utc = getutcdate();
--retunrs datetimeoffset format
select #current_utc current_utc, #current_cst current_cst
--retunrs 102 format(yyyy.mm.dd)
select convert(varchar(10), #current_utc, 102) as current_utc, convert(varchar(10), #current_cst, 102) as current_cst
Note: A list of installed time zones are available in sys.time_zone_info view.
I want to add my time zone with the function GETUTCDATE() in SQL Server. I searched several times, but did not found any relevant solution. Thanks in advance.
only for sql 2016, it takes into account daylight savings.
CREATE FUNCTION GetBelgiumTime
(
)
RETURNS datetime2
AS BEGIN
declare #dateoffset datetimeoffset
SET #dateoffset = convert(VARCHAR(2000),(SELECT GETUTCDATE() AT TIME ZONE 'Central European Standard Time'),126 )
declare #date datetime2
set #date = convert(datetime2, LEFT(#dateoffset,28),126)
set #date = DATEADD(HOUR, convert(int,LEFT(RIGHT(#dateoffset,5), 2)), #date)
RETURN #date
END
select dbo.GetBelgiumTime() as BelgiumDateAndTime
From SQL Server 2016 forward (and Azure SQL DB), you can do this:
SELECT SYSDATETIMEOFFSET() AT TIME ZONE #tz
where #tz is a valid Windows time zone identifier, such as 'Pacific Standard Time', 'Central European Standard Time', etc.
However, if you are on an older version of SQL Server, or prefer to use IANA time zone identifiers, you can use my SQL Server Time Zone Support project to do the following:
SELECT Tzdb.UtcToLocal(GETUTCDATE(), #tz)
where #tz is an IANA standard time zone name, such as 'America/Los_Angeles' or 'Europe/Budapest'.
Use GETDATE() instead GETUTCDATE(). see this link
You can try to use switchoffset like this:
select switchoffset(CAST(myDate as datetimeoffset),'+05:30') from someTable
Instead of '+05:30' you can specify your timezone value.
If you want to use the timezone with GETUTCDATE() then simply add it like this
select cast(GETUTCDATE() as varchar(20)) + '+5:30'
and if you want to keep it as date only then
select switchoffset(CAST(GETUTCDATE() as datetimeoffset),'+05:30')
Per MSDN convert should properly parse ISO 8601 dates with timezone using 127 as the style parameter.
The optional time zone indicator, Z, is used to make it easier to map XML datetime values that have time zone information to SQL Server datetime values that have no time zone. Z is the indicator for time zone UTC-0. Other time zones are indicated with HH:MM offset in the + or - direction. For example: 2006-12-12T23:45:12-08:00.
All of the following are valid ISO 8601 dates but return Conversion failed when converting date and/or time from character string.
select convert(datetime, N'2014-02-07T13:51:00+07:00', 127)
select convert(datetime, N'2014-02-07T13:51:00+07', 127)
select convert(datetime, N'2006-12-12T23:45:12-08:00', 127)
Anyone have a solution or workaround for this issue?
Workaround?: Use datetimeoffset:
select convert(datetimeoffset, N'2014-02-07T13:51:00+07:00', 127) --<-- This one works...
select convert(datetimeoffset, N'2014-02-07T13:51:00+07', 127)
select convert(datetimeoffset, N'2006-12-12T23:45:12-08:00') --<-- and this one works...
use datetimeoffset or datetime2 instead of datetime
I'm hoping to convert a table which has a DATETIMEOFFSET field, down to a DATETIME field BUT recalculates the time by taking notice of the offset. This, in effect, converts the value to UTC.
eg.
CreatedOn: 2008-12-19 17:30:09.0000000 +11:00
that will get converted to
CreatedOn: 2008-12-19 06:30:09.0000000
or
CreatedOn: 2008-12-19 06:30:09.0000000 + 00:00 -- that's a `DATETIMEOFFSET`, but `UTC`.
Cheers :)
Converting using almost any style will cause the datetime2 value to be converted to UTC.
Also, conversion from datetime2 to datetimeoffset simply sets the offset at +00:00, per the below, so it is a quick way to convert from Datetimeoffset(offset!=0) to Datetimeoffset(+00:00)
declare #createdon datetimeoffset
set #createdon = '2008-12-19 17:30:09.1234567 +11:00'
select CONVERT(datetime2, #createdon, 1)
--Output: 2008-12-19 06:30:09.12
select convert(datetimeoffset,CONVERT(datetime2, #createdon, 1))
--Output: 2008-12-19 06:30:09.1234567 +00:00
I'd use the built in SQL option:
select SWITCHOFFSET(cast('2008-12-19 17:30:09.0000000 +11:00' as datetimeoffset),'+00:00')
I know this is an old question but, if you want to convert DateTimeOffset to a DateTime, I think you need to take into account the timezone of the server you are converting on. If you just do a CONVERT(datetime, #MyDate, 1) you will simply lose the time zone, which likely results in an incorrect conversion.
I think you first need to switch the offset of the DateTimeOffset value, then do the conversion.
DECLARE #MyDate DATETIMEOFFSET = '2013-11-21 00:00:00.0000000 -00:00';
SELECT CONVERT(DATETIME, SWITCHOFFSET(#MyDate, DATEPART(tz,SYSDATETIMEOFFSET())));
The result of converting '2013-11-21 00:00:00.0000000 -00:00' to a DateTime on a server who's offset is -7:00 will be 2013-11-20 17:00:00.000. With the above logic it doesn't mater what the time zone of the server or the offset of the DateTime value, it will be converted to DateTime in the servers time zone.
I believe you need to do this because a DateTime value includes an assumption that the value is in the time zone of the server.
DateTimeoffset (Timezone) conversion in SQL Server.
SQL Server 2016 (13.x) and later
Exmample
Select GETUTCDATE()
Select Convert(DATETIME, GETUTCDATE() AT TIME ZONE 'UTC' AT TIME ZONE 'Central European Standard Time')
Select Convert(DATETIME, GETUTCDATE() AT TIME ZONE 'UTC' AT TIME ZONE 'India Standard Time')
Result will be
2020-08-18 08:22:21.640
2020-08-18 10:22:21.640
2020-08-18 13:52:21.640
Note: The timezone information is discarded in conversion if no style ("126" here) is specified. It might also be discarded in some of the other styles, I don't know -- in any case the following correctly adjusts for the TZ information. See CAST and CONVERT.
select convert(datetime, cast('2008-12-19 17:30:09.0000000 +11:00' as datetimeoffset), 126) as utc;
Happy SQL'ing.
Edit
Not sure if it matters but ... datetime Can't actually store that level of precision/accuracy. If the above is run the fractional seconds will be truncated to 3 digits (and accuracy is less than that). The same-same with datetime2 (and datetimeoffset(7)) produces a non-truncated value:
select convert(datetime2, cast('2008-12-19 17:30:09.1234567 +11:00' as datetimeoffset(7)), 126) as utc;
In order to account for daylight savings time, I used the following:
CONVERT(
DateTime,
SWITCHOFFSET(
CONVERT(
DateTimeOffset,
CONVERT(
DateTime,
[time_stamp_end_of_interval],
120
)
),
DATENAME(
TzOffset,
CONVERT(
DateTime,
[time_stamp_end_of_interval],
120
) AT TIME ZONE 'Pacific Standard Time'
)
)
)
AS GOOD_PST
Note: time_stamp_end_of_interval is a varchar