Calculate Time Difference

Oct 25, 2014

I have to create a query in access that will calculate two Date and time fields [Date & Time Left]/ [Date Returned], need to figure out between the two fields. Trying to identify when the rep returned the call and the number of business hours (6:00am - 4:30pm) it takes to return a message in Ms Access 2010.

Code:
SELECT [Message Tracking_tbl].[Date & Time Left], [Message Tracking_tbl].[Date Returned], [Message Tracking_tbl].ID
FROM [Message Tracking_tbl];

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Calculate Time Difference

Aug 3, 2005

Hello,

I,ve made the following date fields in a form: begintime, endtime. I've also made a field Diff that calculates the difference between the two by the code : Diff = Format([begintime] - 1 - ([endtime], "Short Time").
Bij this code you can calculate the difference even over night.

But now I've got to calculate the part of the time someone worked between midnight and 06:00AM if that person indeed worked in those hours.

e.g. someone started at 16:00 end ended at 03:30. The part of time I need = 3:30
e.g. someone started at 01:00 end ended at 11:00. The part of time I need = 5

How can I accomplish this? I hope someone can help me because I'm :confused:

Thnx Remco

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SQL Expression - Calculate Difference Between Start And End Time

Jun 2, 2015

I'm trying to calculate the difference between start and end time, which works fine with:

Total Time: DateDiff("n",[tblTaskTimes]![StartTime],[tblTaskTimes]![EndTime])

However, this is for a database that calculates billable time in 10th of an hour. So, for example, 1 hours would be 1, 30 minutes would be .5, less than 6 minutes would be .1.

The format for this expression is set up to a general number, if that matters.

It's gotta be something in the formula like multiplying this by 24 (for 24 hours) and then dividing by something. Nothing I'm trying is working.

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Jan 30, 2014

I have a subform in which I want to calculate the difference between a start time and finish time, the problem I am having is when the start time is on a different date to the finish time

Start 23:15 on 14th Jan finish 00:015 on 15th Jan, also I want the answer to be the number of minutes. The fields I have are

BatchStartTime Short Time
BatchFinishTime Short Time
BoilTime ([BatchStartTime] - [BatchFinishTime]) General Number.

There are many batches to enter per job and the MainForm has the StartDate as I didn't want to enter the StartDate for each batch.

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Jan 22, 2012

DateDiff in a query

I am trying to calculate time difference between two time columns as follows in a query which has a few inner joins

Diff: DateDiff("h",[Table1.TimeStrat],[Table1.TimeStrat])

This gives problem, it is asking [Table1.TimeStrat] to be entered, where is the problem?

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Queries :: Calculate Difference Between Two Date Fields To Get Total Time

Oct 26, 2014

I have to create a query in access that will calculate two Date and time fields [Date & Time Left]/ [Date Returned], need to figure out between the two fields. Trying to identify when the rep returned the call and the number of business hours (6:00am - 4:30pm) it takes to return a message in Ms Access 2010.

The only issue is the calculation has to be done by time and so I have to calculate what time they left the message(so the difference between [Date & Time Left] and [Date Returned) [Date & Time Left] and when the rep returned the message which is suppose to be [Date Returned] but the problem with this field is the data entry is in date format (10/9/2014, 00/00/0000) of Date and not Date and Time like the [Date & Time Left] field, so I don't know what to do now. Not sure what to do now not a database that create or have allot of control over.

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Queries :: Calculate Time Difference And Show Result Under Certain Criteria In Query

Jul 9, 2013

ID Up Time Down Time
John 18:00 15:00
Kelvin 08:00 08:05
Melisa 23:00 02:00

This is the Table , i need the Query result show IF [Up Time]-[Down Time] is >=3 hrs

Like Below :

ID Up Time Down Time
John 18:00 15:00
Melisa 23:00 02:00

IDUp TimeDown TimeJohn18:0015:00Melisa23:0002:00

I tried DateDiff("h",[Up Time],[Down Time]) in Field but POP out with error "Syntax error (comma) in query expression 'Table1.[DateDiff("h",[Up Time],[Down Time])]' " ...

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Jul 17, 2006

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Is this something that needs to be done with a query or can it be handeled in the design view of a table? I'm starting to learn that Access works nothing like Excel.

Thank you in advance for any help. I scanned some of the threads in this forum, but many were beyond my comprehension. Any walk-through of this procedure would be much appreciated.

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Jul 25, 2014

I have looked all over for a way to calculate the difference between water meeter readings. My brain may be Friday slow, but all I can find is for calculating differences in dates. My water table has 3 fields: ReadDate, Reading, Calc1

ReadDate is the date the water reading occurred
Reading is the meter reading
Calc1 is calculated (when I find out how!) by subtracting the current reading from the previous day's reading.

I would like to add the write script in my form so when the readings are entered, the calculation auto populates the field for the user.

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Nov 1, 2007

I'm new to building databases and I wouldn't think that this is difficult but it has stumped me and everyone that I have approached to elegantly perform this calculation.

Essentially I have a table of meters (the best real world example is the watermeter that your community uses to measure how much water you use each month.) Each meter in the table has a "child table" of the date/time that the meter was read and the reading on the meter (stored as a number). I need to calculate the difference between the last two readings in the child table for each meter(essentially how much water each meter has used since the last reading.)

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Thanks in advance,

Corwin

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Sep 14, 2014

I have the attached database which calculate the Difference between dates.I have also two problems like i shown in the image

Code:
Option Compare Database
Option Explicit
Sub Recalculate()
Dim rst As DAO.Recordset
Dim dff As Long

[code]...

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Sep 20, 2014

Trying to calculate the integer difference between Due_Date and Result_Date excluding weekends and holidays.

I have a table (Holidays) with the dates of the holidays in it. The table looks like:

ID Description Holiday
1 New Years 1/1/2014
2 New Years 1/1/2015

So, if Date_Due: 9/25/2014 and Result_Date: 9/29/2014, then TAT = 2

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Code:
Private Sub Result_Date_AfterUpdate()
[TAT] = NETWORKDAYS(Due_Date, Result_Date, tblHolidays)
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Nov 21, 2013

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Sep 20, 2014

Basically, I am trying to calculate a integer number difference from two dates (TAT = Due-Date - Result_Date). The number is calculated and excludes weekends and ideally holidays (for that I have a tblHoliday but not sure how to use it). The function below seems to calculate a number but doesn't exclude weekends.

For example, if Due_Date is 9/26/2014 and Result_Date is 9/30/2014, then TAT is calculated to be 5 (should be 2).Since 9/26/2014 is a Friday only Friday and Monday are used in the calculation.

Code:

Option Compare Database
Public Function WorkingDays(StartDate As Date, EndDate As Date) As Long
Dim intCount As Long
intCount = 0

[code]...

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Jan 30, 2006

This has probably been raised before but here goes anyway.

I have two fields in a table: time_in and time_out, both as date/time fields and formatted for short time with a mask in the form.

I need to calculate the time spent, i.e. time_in 10.00, time_out 12.15 therefore 2hours 15minutes.

any help much appreciated.

Jim

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Mar 8, 2006

Hello:

I have a report with three text boxes:

Box 1 contains an employee's total weekly hours in hours and minutes: 40:00
Box 2 contains the actual total hours worked for the week: 35:30
Box 3 is the difference between Box 1 minus Box 2

I tried all the date/time functions to calculate the difference between Box 1 and Box 2 and none of them worked. I keep on getting an error message. Does anybody know how to calculate the difference between two sets of time (in hours and minutes)?

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May 25, 2005

Hi all,

I've just started a new job and one of the things they have got me doing involves getting some extra reports out of some access databases they have for the phone system. I've managed OK so far but I'm stuck on regarding phone diverts.

Basic jist is, when reception is unmanned they put the phone on divert and when they come back they take it off again. Simple and this info is recorded in the log file which is pulled into access each night.

The problem is all of the information is kept in a single table which I run a query on to get the info to look like below. The info is exactly as it is in the table, just that I have limited it to the reception user and where the func is like *54* or *55*:-

DateTimeUserFunc
03/05/200511:40:00Reception*54*200#
03/05/200511:47:00Reception*55*200#
04/05/200511:35:00Reception*55*200#
04/05/200511:40:00Reception*54*200#
04/05/200511:59:00Reception*55*200#
05/05/200509:57:00Reception*54*200#
05/05/200510:08:00Reception*55*200#
05/05/200512:10:00Reception*54*200#
05/05/200512:17:00Reception*55*200#
05/05/200512:19:00Reception*55*200#

The FUNC *54* means put on divert and *55* is off divert. What I need to figure out is the time between each of *54* and *55* and total them for all the data in the table (we have a table for each month). The problem I can see here is that occasionally the receptionist will put in the *55* first which doesn't mean anything so this bit would need to be ignored as only bits where its a *54* followed by a *55*.

Hope this is self explaintory and that someone is able to help. I have attached a CSV fle on the table so you can have a play with it if you can help.

Thanks in advance!

Regards,

Andy Roberts

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I'm trying to find the difference between 2 dates [Start_Date] and [End_Date], however I want to strip out out of hours work, which is [OOH_START] eg, 17:30 and [OOH_END], eg, 08:00. Also I need to strip out the weekends as well.

Can you help?

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Dec 30, 2007

Hi all, bit stuck on a query I'm working on.

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Hello again everyone!

My head's swimming right now so the solution to this problem may be right under my nose and I'm just blind to it.

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