Calculate Number Of Days
May 4, 2006
In a database, I have the following date fields that I use to track projects that start and stop.
START1
STOP1
START2
STOP2
START3
STOP3
Is there a way I can use a query to calculate the total days the project was worked on? For example if I enter 1/1/06 in START1, 1/10/06 in STOP1, 2/1/06 in START2 and 2/15/06 in STOP2, 3/1/06 in START3 and 3/30/06 in STOP3, I need to calculate the total days. I need it to work regardless if there are 3 start/stops, 2 or just one start/stop.
I really appreciate the help.
Jim
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Feb 6, 2014
I have a contract management database where contracts have a start date and an end date. I also have a date parameter set up whereby I can show live contracts between overlapping records.
I want to be able to count the number of days for each contract that is live between the dates of the parameters.
For example my contract might run from 1st to 30th November but I might want to report from 10th October to 10th November so the number of days I need the query to return is 10 days as my contract is not live before the 1st November. Or my query might run from 1st October to 31st December, then I would need it to show 30 days as it covers the whole of this contract.
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May 9, 2014
My table : Id Start End
1 2013.11.20 2014.01.10 2 2014.01.17 2014.01.30 3 2014.01.06 2014.01.27 4 2014.02.04 2014.02.23 5 2014.02.07 2014.02.17 6 2014.02.21 2014.03.08
How to calculate total number of unique days? Date ranges are overlapped.
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Apr 20, 2015
I am making a basic hospital management system in Access 2013.I have two tables named "Bed" and "Receipt". Bed(BedID,AssignedDate,PatientID,DischargeDate,Bed Charges) Reciept(ReceiptID,PatientID,BedCharges) I want to calculate "BedCharges" by calculating the number of days using "AssignedDate" and "DischargeDate" and then multiplying with a constant amount of charges per day. Also the BedCharges calculated in "Bed" Table also needs to be in the "Receipt" table. How can I count the number of days and then calculate the "BedCharges" in both the tables?
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Nov 21, 2014
I'm trying to calculate the number of days between two dates using the iif statement
Fields:
[LDW] "Last Day Worked"
[ReturnedDate]
DESCRIPTION: If ReturnedDate is null, then calculate the datediff "d" between LDW with Now(), if not, then calculate the datediff "d" between LDW with ReturnDate.
I tried this but it didn't work at all.
Days Absent: Iif(isnull([ReturnedDate],(DateDiff("d",[LDW],Now())),(DateDiff("d",[LDW],[ReturnedDate])))
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Feb 18, 2015
Basically I have a report that shows any 'Issues' that wasnt closed within the KPI Target.
I have the report working, but I simply want to do a count of how many days the observations overran the 'Target Date of Closure'.
The report also shows observations that are not closed but passed their Target Date of Closure. These observations will not have a 'Actual Closure Date', but I would like to still have a count of how many days its overrun closure.
This is a formula I tried to piece together but obviously not correct as it's not returning anything;
IIf(IsNull([Issues]![Actual Closure Date]),DateDiff("d",[Issues]![Target Date of Closure],
Date()),DateDiff("d",[Issues]![Target Date of Closure],[Issues]![Actual Closure Date]))
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Jun 30, 2015
I need to calculate the final date based on the begin date and the number of days.
The name of the fields are: sdatainicio; diasatribuidos; sdatafim.
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Jan 28, 2013
What's the formula we can use to calculate days between no of days between date job is open and today's date in a query. I am using formulat below formula but the DATE_OPEN and Today (todays date) pops us as enter parameter value. I dont want those enter parameter windows pops us. The date job is open is in a linked table and linked table is getting the information from BPCS software. The date in Liinked is in format YYYYMMDD.
Total Days: DateDiff("d",[Date_Open],[Today])
The SQL Details are below. AUNPRDF_AAA802 is a linked table and information gets updated on 12 am everyday
SELECT DateDiff("d",[Date_Open],[Today]) AS [Total Days], AUNPRDF_AAA802.AAAGE AS Age, AUNPRDF_AAA802.AAORD AS [Job Number], AUNPRDF_AAA802.AAWKSP AS Workshop,
AUNPRDF_AAA802.AASWKT AS WorkType, AUNPRDF_AAA802.AANAME AS [Customer Name], AUNPRDF_AAA802.AANME AS [Service Admin], AUNPRDF_AAA802.AASDE1 AS Complaint,
[Code] ....
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Dec 26, 2006
I rent out a property , on the rental statement I have a field [Datepaid], [RentpaidFrom] and [rentpaidTo]. I would to have a field that can calculate the rent that is paid to show if the rent is in arrears or in Advance. I guess the code would be something like (datediff ???? etc) but i have no idea what it should be. the calculation should appear on the query as i.e.2 days in arrears or 12 days in advance etc
your help would be much appreciated
merry christmas to you all
Jabez
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Mar 14, 2006
Dear All,
I'm new to VBA coding. A code below is copied from a friend of mine and I can't make it work. How to call up this function in my form. In my form I have 3 text boxes (StartDate, EndDate and NumOfWorkDays). My form is based on a table.
Please anyone who would help me on this, kindly give me the step by step procedure as I am really novice. Thanks in advance.
'*********** Code Start **************
Public Function WorkingDays(StartDate As Date, EndDate As Date) As Integer
On Error GoTo Err_WorkingDays
Dim intCount As Integer
StartDate = StartDate + 1
'If you want to count the day of StartDate as the 1st day
'Comment out the line above
intCount = 0
Do While StartDate <= EndDate
'Make the above < and not <= to not count the EndDate
Select Case WeekDay(StartDate)
Case Is = 1, 7
intCount = intCount
Case Is = 2, 3, 4, 5, 6
intCount = intCount + 1
End Select
StartDate = StartDate + 1
Loop
WorkingDays = intCount
Exit_WorkingDays:
Exit Function
Err_WorkingDays:
Select Case Err
Case Else
MsgBox Err.Description
Resume Exit_WorkingDays
End Select
End Function
'xxxxxxxxxxxxxxxxxxxxxxxx
Can someone please direct me to the right path.
Your help is highly appreciated.
qwerty70
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Jan 24, 2014
I have to count the number of days each week (7 days) that a person has worked - simple enough.
But - what if they come off the job within the week?
I have been using the DateDiff function which is fine.
In the database they have a Mobdate and a DeMobDate but if the DeMobDate falls within the week the whole thing falls apart?
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Apr 14, 2014
I have a form where a start date is inputted (Inputfrm , StartDate) and a form where the end date of the process is recorded (Inspectionfrm , EndDate) and these both record in the table InputTbl as StartDate and EndDate respectively.
I have created a union query which shows a list of all the dates where there is work recorded (WorkingDatesQry and the column of list of unique dates is "WorkingDate"), and as we run a highly varied schedule depending on time of the year and order numbers I cannot just use a query which says Monday-Friday or Tuesday - Saturday.What I am trying to do is to find the number of days between StartDate and EndDate where there is a date recorded in the WorkingDates query.
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Jul 7, 2006
I have a query that has four date variables:
Admit Date
Discharge Date
Report Begin Date
Report End Date
I can calculate the number of days with the DateDiff function when the "Admit Date" and "Dischage Date" are within the range of the report with no problem.
The problem arises when the "Admit Date" is prior to the "Report Begin Date". In this case, the difference needs to be "Report Begin Date" and "Discharge Date".
To make this more complicated, in some cases there is no "Discharge Date", so the calculation needs to look at the first two senerio's and then calculate the days based on the "Report End Date".
Expr2: IIf([Admission Date]<[Beginning of Report],DateDiff("d",[Beginning of Report],[D/C Date / Time]),DateDiff("d",[Admission Date],[D/C Date / Time]))
Expr2: IIf([Admission Date]<[Beginning of Report] And [D/C Date / Time]>[End of Report],DateDiff("d",[Beginning of Report],[D/C Date / Time]),DateDiff("d",[Admission Date],[D/C Date / Time]))
Expr3: IIf(IsNull([D/C Date / Time]) And [Admission Date]<[Beginning of Report],DateDiff("d",[Beginning of Report],[End of Report]),DateDiff("d",[Admission Date],[End of Report]))
expr4: IIf([Admission Date]>[Beginning of Report],DateDiff("d",[Admission Date],[D/C Date / Time],0))
Above are failed attempts to get the formula right.
Can anyone assist me in getting this to work correctly.
Thanks
Dan:mad:
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May 11, 2007
I hope you can help. I have a database and I am trying to work out the working days between the start date and the end date of a programme. This will not take into account any weekends or bank holidays. I have created a separate table called tblHolidays which has a list of the Bank Holidays. The majority of it works but out of 1700 records 50 don’t. These are ones in which it starts on 1 month finished on another or has a bank holiday. It works with certain bank holidays but not all of them. Bank holidays go back to the beginning of 2006
The following is the code I have used:
Public Function WorkingDays2(Start_Date As Date, End_Date As Date) As Integer
On Error GoTo Err_WorkingDays2
Dim intCount As Integer
Dim rst As DAO.Recordset
Dim DB As DAO.Database
Set DB = CurrentDb
Set rst = DB.OpenRecordset("SELECT [HolidayDate] FROM tblHolidays", dbOpenSnapshot)
Start_Date = Start_Date + 1
intCount = 0
Do While Start_Date <= End_Date
rst.FindFirst "[HolidayDate] = #" & Start_Date & "#"
If Weekday(Start_Date) <> vbSunday And Weekday(Start_Date) <> vbSaturday Then
If rst.NoMatch Then intCount = intCount + 1
End If
Start_Date = Start_Date + 1
Loop
WorkingDays2 = intCount
Exit_WorkingDays2:
Exit Function
Err_WorkingDays2:
Select Case Err
Case Else
MsgBox Err.Description
Resume Exit_WorkingDays2
End Select
End Function
I then used the SQL
Select WorkingDays2 ([start_Date], [End_Date]) As CountDays
This is driving me crazy!!:mad:
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Feb 10, 2005
I have a date range of 1/01/2005 to 12/25/2005 for example. I need a formula to return the number of days between these dates excluding weekends. Basically I need to know how many business days are between these dates. Thanks for the help.
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Oct 6, 2005
I am woking on a project full of nightmares. My latest, and the one I am currently unable to solve, involves trying to calculate the number of days between Billing Dates.
I have a table named "Date" - I didn't design this!
It contains a field named "Date"
If I query for just that Field I get the following:
Date
9/8/2005
8/8/2005
7/8/2005
6/8/2005
5/9/2005
...
I need to figure out a way to determine the number of days between the bills so I can calculate the average cost per day.
It seems like it should be an easy thing using like the datediff function or something, but since they are in separate records (rows), I can't figure it out. I have tried and tried and tried.
Any suggestions would be VERY much appreciated.
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Dec 9, 2007
I have a database with 10-12 fields containing dates certain things were completed. There is also a field for the 3 different locations we have and a program year 2006, 2007, or 2008. What they would like to do is click a button and get a list to choose the first date they which to compare, then a list to choose the second date, calculate the number of days between the two dates, select the program year from a list, and a location from a list. Can anyone help me with how to do this if it's possible?
The fields look something like this:
Prog Year Location DateA Date B DateC DateE
2006 G date date date date
2006 G date date date date
2006 P date date date date
2008 D date date date date
2007 P date date date date
For Example, I might want 2006 Program Year, Location P, calculating days between DateA and DateB, except that the next time I might want to choose a different set of criteria.
Any ideas?
THANK YOU!
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Jun 8, 2006
I have an access database used for recording training events. I was able to calculate the number of days each training event took by using
Datediff("d",[Training Date From],[Training Date To]+1)
I was really chuffed with this until my boss asked what happens when the training only lasts half a day! I added the time to the above fields to make them date/time fields but can't see a way to calculate in half days.
As well as this the other problem is that training could be over a few days. As an example I'd like to be able to input that the training started at 9am on Monday 29th May and ended at 12 noon on Thursday 1st June and get the result of 3.5 days. The full days would all end at 5pm but I wouldn't be recording that, just the total days. I tried changing the datediff function to hours in the hope I could somehow discount the non working hours but that didn't work! I'd ideally like the final result to be in days, ie 0.5, 1 etc. It would always be in whole or half day increments - don't need things to be overly complicated!
Any help will be very gratefully received. I'm definitely not an expert as you can probably tell!! :eek:
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Dec 18, 2012
I have a database to monitor incoming emails from our contractor & my superior wants it to have control like the following situations:
1. If no respond yet, to calculate today's date minus received date
2. If responded, to calculate respond date minus received date
If i use the following expression, it does not relate to if the emails have no respond yet or have been responded.
IIf(IsNull([Reply Date]),DateDiff("d",[Due Date], Now()))
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Aug 17, 2015
I'm trying to create a sub to count how many days between 2 dates excluding Holiday and weekend. Using the DateDiff() function is not allowing me to exclude certain days.
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Mar 21, 2006
I am not sure if what I am about to ask is best done in a query, table or report, so I thought I would post this in the query section of the forum.
I have a table that contains the following fields (plus other fields)
RC_START_DATE
RC_DUE_DATE
RC_APPROVAL_DATE
RC_STATUS
On one of my reports, I want to show the "Days Open". If the RC_Status is "Active" I want to calculate the "Days Open" by subtracting RC_START_DATE from Today(). However if the RC_Status is "Closed" I want the "Days Open" to be calculated by RC_APPROVAL_DATE minus RC_START_DATE.
So the question is, what is the best way to do this and how would I write the formula to calculate this?
Thanks for the help.
Jim
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Feb 11, 2013
I'm trying to step from Excel to Access and I have some issues to translate functions that I used in Excel to Access.This is how it looks in Excel.And I have issues to translate the following function in Excel to Access.
=IF(AND(I6=0),"Done",K6-A$4)
A$4 is related to cell where it states the function =now() Basically what I want is to calculate in the tablecolumn is the following.In the column "Days remaining" I want the remaining days from "date to pay" and today. If the amount states "0" then the outcome must be "done".
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Feb 11, 2015
What I have is two fields, one is a simple date and the other is slightly more complex as it holds a date but in a different structure (a dated case number).
The case numbers are for example, 150211551223 the date being the first 6 numbers and equaling to 11/02/2015. so the code will need to grab this data, spin it around and convert it.
The formula will then be:
simpledate - convertedcasenumberdate = days between.
(simpledate will always be the latest date of the two).
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Feb 7, 2013
The client db is not Normalized. I understand their requirements and the current table structure has to remain in tact. The DATA ENTRY staff need to enter cost for Jan1 to Jun30. One of the many calculations that needs to be updated daily is the SUMPRODUCT from STARTDATE to ENDDATE - which can be anywhere between Jan1 to Jun30 at any time. The example scenario below needs to calculate the sumproduct of COST between any two fields (days of week).
For example, let's say a Purchase Order has been created, and the initial entry looks like this:
StartDate = Jan30
End Date = Jun3
Jan1 thr Jan29 Cost = 0
Jan30 Jun3 Cost = 500 (average daily burn rate)
Jun4 thr Jun30 Cost = 0
... and the staff receives and update to the daily spread. The Cost Spread between Jan1 to Jun30 NOW looks like this:
StartDate = Jan15
End Date = Jun3
Jan1 thr Jan14 Cost = 0
Jan15 thr Mar29 Cost = 1000
Mar30 thr Jun2 Cost = 3000
Jun3 thr Jun3 Cost = 500
Jun4 thr Jun30 Cost = 0
Here is the code I am using to calc the SumProduct upon initial entry WHERE the 'average daily burn rate' for the entire spread is the same every day (FYI, we need to calculate the YearTo-Date (YTD) and Remaining Balance from YTD for both Commitment and Incurred cost. For this example I am only snipping the code here to reflect Incurred)
'Initial Calculations
If CurrentDate <= frmStartDate Then
SUMPRODUCTYTDIncurred = ZeroValue
Else
SUMPRODUCTYTDIncurred = Round((DailyBurnRate + DailyBurnRate * NoDays), 2)
End If
If CurrentDate <= frmStartDate Then
SUMPRODUCTRemainingIncurred = ZeroValue
Else
SUMPRODUCTRemainingIncurred = Round(DailyBurnRate + DailyBurnRate * (DateDiff("d", CurrentDate, frmEndDate)), 2)
End If
In my UPDATE SCRIPT (not shown - cause its TMI):
- I am using the For Each statement to search an ARRAY to filter for the db.TableDefs("MYTABLE").Fields I need to update.
- I am also using a Do While True statement to catch the cost for the found field.
How to catch all the cost between Jan1 to Jun30 before updating the SUMPRODUCT field and then .MoveNext until EOF (remembering that the For Each statement will stop when field Jun30 is found)?
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Jun 8, 2015
How can I calculate the difference between two dates but I only want to count the work days? So if was today and I wanted to go until 6/15/2015 the difference would be 5 and not 7 because I do not want to count Saturday or Sunday. Is there a special %datediff function where I would only count work days?
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Aug 7, 2014
I'm using the following function to calculate date diff in network days (excluding weekends)
Public Function NetWorkdays(dteStart As Date, dteEnd As Date) As Integer
Dim intGrossDays As Integer
Dim dteCurrDate As Date
Dim i As Integer
intGrossDays = DateDiff("d", dteStart, dteEnd)
NetWorkdays = 0
[Code] ....
So when using this function in a query to get number of networkdays between 2 date columns ...it works fine but throws a #Error where there is blank entries in either of 2 date columns...
I need to find a way to display Null instead of #Error...
I have tried this expression but no luck...
IIf(IsError(NetWorkdays([Date1],[Date2])),"",NetWorkdays([Date1],[Date2]))
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