Queries :: Convert EST To BST - Using SWITCH To Return A Date / Time
Nov 14, 2014
Trying to import some data from a linked Excel spreadsheet into a local table. One of the fields is a Date/Time type and is recorded in EST (Eastern Standard Time). I want to keep this field for posterity but also add a separate field with the corresponding time as per BST
For clarity, daylight savings time comes into effect this year on 26th Oct in the UK and 2nd Nov in the US. So generally, there is a 5 hour difference between the two time zones, apart from the period between these two dates, when it is only 4 hours.Here is my query - I am using a SWITCH function to create the BST field
Code:
INSERT INTO tblTransactions
SELECT ltbPayments.ID AS Reference, ltbPayments.VALUEDATE AS ValueDate, ltbPayments.LOCALAMOUNT AS Amount, ltbPayments.USDAMOUNT AS AmountUSD, tblAccounts.AccountID AS AccountID, ltbPayments.TRANSACTIONTIME AS TransactionTimeEST,
SWITCH(DateValue(ltbPayments.TRANSACTIONTIME) < DateSerial(2014,10,26) Or DateValue(ltbPayments.TRANSACTIONTIME) >= DateSerial(2014,11,2),
[code]....
So - how do I explicitly specify the output of the SWITCH function to be in Date/Time format (I presume, by default, it's returning Text, which contradicts the table properties of tblTransactions & the TransactionTimeBST field?...)
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Aug 19, 2015
I have a table that has entries recorded with date and time in one field, and I want to have a query that returns all records of a specified date or date range, regardless of the time in the field.
I have tried
Code:
Between [StartDate:] And [EndDate:]
And
Code:
Between [StartDate:] & "00:00" And [EndDate:] & "23:59"
Neither of which work ....
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Mar 11, 2008
Hi all,
I have an inherited database with years worth of julian dates stored as numbers (e.g. days 1-366 for a leap year). I also have some fields stored as short dates. I would like to run a series of parameterized queries on this data, some using the short data and some using the "julian dates" that are actually just numbers. I have the user enter the start and end date in short date format and would like that to be converted and held in an unbound field as a number value. So far I can get the date to appear as a "julian date" (e.g. 1/1/08 appears as 1, obviously the underlying data is still 1/1/08) How do I take that 1 and convert it to number value "1"? Thanks in advance.
Cheers,
Peter
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Mar 13, 2014
I have a database with date and time each stored in a separate field. Now I want to query the database based on a start date/time and an end date/time. I started with the code below but it only returns events within the same time range on each day when what I really need is every event from a specified date and time through a specified date and time.
SELECT myTable.ID AS myTable_ID, myDate, myTime, FirstName, LastName
FROM Staff INNER JOIN myTable ON
Staff.ID = myTable.StaffID
WHERE myTable.myDate >= #3/2/2014#
AND myTable.myDate <= #3/3/2014#
AND myTable.myTime >= #8:00PM#
AND myTable.myTime <= #11:00PM#
ORDER BY myDate desc
In the above example what I want is every event from 3/2/2014 8:00PM until 3/3/2014 11:00PM. But what I get instead is every event between 8:00PM and 11:00PM on 3/2/2014 and every event between 8:00PM and 11:00PM on 3/3/2014.
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Jun 26, 2007
I have a query with data grouped by time, with the goal being to combine values for each 5-minute time interval over the course of several months into a single 24-hour period (resulting in 288 records). Most of the time values, when converted to decimals, are between 0 and 1. However, some of the times are actually greater than 1. They still display correctly in time format, but are unable to group with the rest of the times since they have different values.
I need to construct a statement to
a.) Keep the given value if SensorTime<=1
b.) If SensorTime>1, subtract an integer value (between 1 and 4) so it is between 0 and 1 and will then group with the rest of the times
I experimented with a SWITCH function but I'm not sure how to specify "1<SensorTime<=2." I think the current language will subtract up to 10 from numbers less than 1 (-1 if less than 2, -2 if less than 3, etc.). Here's what I have so far:
SELECT Sensor3.SensorDate, Switch(Sensor3.SensorTime<=1,Sensor3.SensorTime,Sensor3.SensorTime<=2,(Sensor3.SensorTime-1),Sensor3.SensorTime<=3,(Sensor3.SensorTime-2),Sensor3.SensorTime<=4,(Sensor3.SensorTime-3),Sensor3.SensorTime<=5,(Sensor3.SensorTime-4)) AS Expr1, Sensor3.SensorTime, Sensor3.Volume, Sensor3.Trucks
FROM Sensor3
WHERE (((Sensor3.LaneName)="NB1" Or (Sensor3.LaneName)="NB2" Or (Sensor3.LaneName)="NB3"));
Can anybody suggest a way to subtract the correct integer value from each time to get a number between 0 and 1?
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Aug 8, 2013
I have a query where I display the [OPEN DATE] and [CLOSE DATE] of my cases. However, when I run this query sometimes the cases are not closed yet, therefore there are null values. However, I also have a field to calculate the datediff between these two dates. I need the [CLOSE DATE] field to display today's date when it is a null value so that I can still get a count of the days using datediff when I run the query.
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Oct 1, 2013
I need to convert the date format October 10th, 2013 to 10/01/2013 in a field using sql in access 2010,I know it has to be an update query but dont know how to start writing the query.
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Nov 11, 2013
i need to convert a number string to a date For example, 0820 i would need to convert it to august 2020 ( the date will always be in this century)
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Jun 18, 2015
Trying to convert a date in my query to a number. What function will convert 6/17/2015 to 42172? Tried datevalue dateserial
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Oct 15, 2013
In my query I want to extract the last 10 characters of a string in a column which represent a date in the format DD.MM.YY and then convert these to a real date format to be available for further processing.
My query looks like this:
SELECT Angebotskopf.[Laufende Nummer], Angebotskopf.Angebotsnummer, Angebotskopf.Angebotsdatum, Angebotskopf.Anfragedatum, Angebotskopf.Kunde, Angebotskopf.Ansprechpartner, Angebotskopf.Telefonnummer, Angebotskopf.Faxnummer, Angebotskopf.Projekt, Angebotskopf.Preis, CONVERT(varchar(10), RIGHT(Angebotskopf.Projekt, 8),104) AS TestAngebot
FROM Angebotskopf;
But Access gives an error message "unknown function 'CONVERT'"
The "RIGHT" functions works but the resulting column is not being recognized as a date, it is a only a string and therefore useless for processing of any date related calculation.
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Jul 10, 2013
How do I convert '130330' to date in Access? I want to convert to 03/30/13?
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Mar 20, 2015
Is it possible to easily convert 02/02/2015 15:30:00 to 201502021530 in a query?
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Apr 10, 2013
My issue surrounds retrieving the last (based on most recent date) set of records based on the most recent date. I have query, containing 2 tables as the sources for the query results. Currently, the query yields:
Field A Field B Field C
123456 AAAA 1/8/13
123456 BBBBI 1/8/13
123456 CCCC 1/8/13
123456 DDDD 1/8/13
123456 EEEEEE 3/10/13
123456 FFFFFF 3/10/13
123456 GGGG 3/10/13
123456 HHHH 3/28/13
123456 IIII 3/28/13
123456 JJJJ 3/28/13
The desired results would be to return all records with the last/max date, so yield:
123456 HHHH 3/28/13
123456 IIII 3/28/13
123456 JJJJ 3/28/13
I have tried the max & last functions, yet no success.
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Feb 20, 2014
I have a list of dates on which tasks were performed.
I want to be able to see if there is a pattern, i.e. lots done on a Monday
Can I extract the Day from the date, and return a value Monday, Tuesday, Wednesday etc??
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Aug 17, 2015
I have 2 columns that are listed as such:
AssumptionMo AssumptionYr
MAY 2014
JUN 2015
JUL 2015
OCT 2016
I need to create a field called AssumpDate that converts the month into a date field on the 1st day of the month. ex May 2014 needs to read 5/1/2014. When I use the expression AssumpDate: DateValue("1-" & [Assumption_Month] & "-" & Year(Date())) of course the year changes to the current one--2015. How can I I change the expression so that the year is based on the AssumptionYr column?
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Jul 28, 2014
How do you return the most recent date of multiple columns.
I have a table (tbl_courses) that has a list of training courses. We want to know when a client completed the course most recently.
The problem is, for one course there has been up to 4/5 different variations of the course with different names over the years. E.g. "Drug awareness" has also been known as "Drug Aware" "Illegal Substances" and "Stoppers". I want to pull through the most recent date for all of the above.
We have a field in the Courses table that links the courses into groups (e.g. All drug aware courses come under "23"). Not sure if that works?
Is there a way to do this? The Tbl_Courses is linked to Tbl_Clients via a ClientID.
I've managed to do it in SQL using GREATEST() but that isn't an option in Access.
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Mar 22, 2015
Ok, so I'm sure this is a pretty simple criteria, but I just can't seem to get the syntax right.
I'm trying to allow my user to select any start date and the query will return that date plus the next three days.
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Jul 30, 2015
Basically, i have a table ("Transaction") with payment date and another table ("Control") with accounting dates and corresponding year/month.
Objective: I need to know which accounting year or month these payment date fall under.
Example: If the payment date is 18 Dec 2013, the accounting year should read as 2013 and the accounting month should read as 12.
In excel, this is very simple using vlookup.
I tried for hours using access dlookup query and i'm still stucked ..
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Apr 15, 2015
I am looking to return one row from groups of the same EpisodeID whereby the row with the minimum date is selected each time. This includes returning all other fields in the row such as EventID below and ideally others as well if that will be possible.
To illustrate I include the following. What Access 2003 query would I need to return all the rows with the earliest dates? EventID will be unique in the intial table.
Code:
EventsTable
```````````
EpisodeID | EventID | EventDate
-------------+---------------+-------------
1 | 001 | 01/02/2010
1 | 023 | 05/10/2009
1 | 103 | 12/02/2010
2 | 004 | 02/03/2013
2 | 102 | 12/10/2014
3 | 546 | 04/05/2012
3 | 100 | 08/08/2013
3 | 034 | 10/10/2012
3 | 066 | 02/03/2013
4 | 777 | 05/07/2014
4 | 233 | 01/11/2012
5 | 087 | 10/03/2011
Code:
ExpectedOutput
``````````````
EpisodeID | EventID | EventDate
-------------+-------------------+---------------
1 | 023 | 05/10/2009
2 | 004 | 02/03/2013
3 | 546 | 04/05/2012
4 | 233 | 01/11/2012
5 | 087 | 10/03/2011
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May 4, 2015
I have a query, that contains the field, weeknumber and weekday value, and year.
now i want to convert this values to proper/standard date format.
Example:
Weeknumber: 19
Weekday: 3 (Tuesday)
Year: 2015
Expected Result: May 5, 2015
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Jan 23, 2014
I've been trying to create a query that will take a date and return the week number of the date.
My original date is formatted m/d/yyyy
I need my weeks to start on Monday and I would like the week containing Jan 1st to be the first week of the year
I have tried using the following function:
DatePart("ww",#12/31/2001#,2,1)
but the I get a result of 53 in this query, when I expected/need it to be 1.
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May 13, 2014
Today is 13 May and this code is supposed to return the date of next Monday (19 May)
IIf(Weekday(Date())=1,Date()+1,Date()-(Weekday(Date())+9))
but it returns 1/5/2014 (Thursday May 1), when "Date" = 13/5/2014 (Tuesday May 13)
My begin week is Sunday (1) ,
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Jun 6, 2013
I have a table in access database which contains a text field 'EDate' that stores Date value in format (12-Apr-2013). Now I want to run a sql query on that field. User will give an input date. The sql query needs to fetch me all the records from access database whose Edate is less than or equal to the user input date.
I am using DateValue function to convert my text filed Edate into date. My query is something like this:
select * from table_name where DateValue(EDate)<='user_input_date'
I am able to perform above task if the system language settings are 'English'. But if system language settings are different say Turkish, then the query fails.
I searched a lot on web and found that DateTime function compares test data with the system date time format and gives the result. Thus it fails with different language settings.
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Apr 24, 2013
I have a table which includes a start date field and completion date field for housebuilding.
I am trying to extract all records that have either a started date or a completed date between 2 dates supplied by the user. I have tried to use Between on both fields but that doesn't return results between the fields.
It workd if I just do it on EITHER the start date field OR the completion date field so that implies to me that I need to break it into 2 queries, one returning start date recrods and the other returning completion date records but then I would need to have somthing that removes records that appear in both the start date and the completion date results.
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Apr 26, 2013
I have a query based on a table which has a date field. the field both in the table and the query have the time also in the date value so when I try to query on a date I get nothing if I copy the date and time from the field I will get the result for that record if I just use the date I get nothing. I have tried the format which does display just date but if you click on the field the time is also there You must be able to query for a date only and get all the records.
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Aug 15, 2013
I have a single table with customer information, one of the fields is a date field "LastContacted".
I'm creating a search form with 2 date fields (txtDate1 & txtDate2) to search a date range of the LastContacted field, and I need to write this into the query that the search form uses.
I have written this using Nz so that it can still return results if the search boxes are left blank:
Between Nz([Forms]![frm_AdvancedSearch]![txtDate1],#01/01/1989#) And Nz([Forms]![frm_AdvancedSearch]![txtDate2],#01/01/2999#)
This seems to work and it returns lines from the table where there is a date entered. However some of the fields in the table have no entry in the LastContacted field. How to code this query so that it also returns lines where the LastContacted field is blank in the table?
I have tried:
like "*" & (Between Nz([Forms]![frm_AdvancedSearch]![txtDate1],#01/01/1989#) And Nz([Forms]![frm_AdvancedSearch]![txtDate2],#01/01/2999#)) & "*"
but this returns errors when I try to run it.
I'm using Access 2010.
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