Calculating Time Difference Based On Row Criteria?
Jul 30, 2012
I am conducting some analysis on alarm data of certain devices and am looking for creating a VBA algorithm that will do the following (refer to the table below for example data)
I want identify an asset in alarm (Column F) and based on its asset ID (Column C) and Fault Description (Column D) then find the row when the asset with the same asset ID and fault description returns to an 'ok' Asset State. After the row where the same asset ID and Fault description is found where the asset state returns to 'ok', I want to calculate the total alarm time based on the difference between when the asset ID and Fault description goes from 'Alarm' State to 'OK' state from DateandTime Column.
I want the result to be populated in a new worksheet that displays data with the following column headings as a result of the above calculations: Date, Asset ID, Asset Description, Fault Description, Alarm Time
I have added an additional column to show the type of output I am after.
There are up to 20,000 rows of data I want to perform the above calculation on.
A
B
C
D
[Code]....
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Aug 17, 2013
I'm calculating the difference in time:
9:549:45 = 0:09
Now to convert this in minutes (in number format), I multiply this number with 1440:
0:09*1440 = 9
When I click the cell this number is actually 9.0000005, rather than exact 9. I need it to be exact 9 since I have to match this number from other excel sheet.
To sum up:
This is what I expect:
31.99999 should be changed to 32
10.000001 should be changed to 10.
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Dec 12, 2013
I've got a spreadsheet of samples taken at certain time intervals for a period of 2.5 hours, they were collected in hh:mm:ss format. Most of them are approximately 5 minutes apart. What I'd like to do is convert the first time to 00:00:00 and then recalculate each sample from there. Is there an easy way to do this?
So, what looks like this right now:
8:45:00
8:45:36
8:50:36
8:55:36
9:00:36
Would look like this:
00:00:00
00:00:36
00:05:36
00:10:36
00:15:36
etc...
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Dec 14, 2013
I'm trying to calculate the available man hours I have for my shift/team. I have got the basic formula to deduct the time, and lost time for breaks ok, but when the shift end time crosses midnight the formula returns a "value" error message. i.e. start time = 18:00. End time = 24:00 breaks = 15 mins gives me a formula like this =TEXT(O17N17P17,"h:mm") and a result of 5:45
How I can make this formula work so it can calculate the variance even though the shift ends at 02:00am the following morning?
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Mar 7, 2013
I manage a team in a call centre and deal with lots of reports on excel.
I am dealing with a report on a daily basis that i need to use in order to calculate the total idle time that each of agents have. There are roughly 170 agents.
After I have formatted the cells to hh:mm:ss, the obvious thing to do would be : =(B1A1)
Is there a way to write a macro (or anything) in order to reapply this to the report on a daily basis? Bearing in mind that this has to be done daily for 170 individual reports. They work a 8am  5pm shift. So there is an entry every time they make a call.
Agent Name
Extension
Initiateddate
TerminatedDate
MSGR_nmasango
9363
28/02/2013 8:06:47 AM
28/02/2013 8:08:54 AM
[Code] ........
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Jan 30, 2014
I am using the following formula in Column E to calculate the difference between an employees start time, and their previous shift end time in order to work out how many hours rest they have had:
=IF(A4=0,"",IF(I4=0,"",MOD(I4B4,1)))
My Current Formula works fine for same day calculations, but if an employee finishes work at 18:00 on Friday and starts work at 22:00 Saturday night, Excel calculates the Total Rest hours as 04:00, when in fact they have had 28:00 hours rest...
Is there a way of calculating the hours difference between two dates?
I have attached a sample of my spreadsheet to illustrate
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Sep 29, 2006
Instead of calculating a time difference manually I want to have a formula do it for me. What I want to achieve goes as followed:
08/06/2006 04:33
12/06/2006 01:05
Time difference is 92:32 [hh:mm]
another example:
09/06/2006 12:42
12/06/2006 11:35
Time difference is 70:53 [hh:mm]
So instead of getting 92:32 and 70:53 by calculating it myself I would like to have a formula do it for me. Otherwise I'll have to invest a lot of time to get the information I need.
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Jun 23, 2009
I know the title is a bit vague, but I cant think how else to word it!
I have a sheet (attached) which works out hours worked, and if the amount is under a specified target, it counts how much time is owed. The problem occurs when someone works more hours than the specified target.
I guess I need an IF formula of some kind, to say if the figure is over the target, to put zero in the hours owed column.
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May 5, 2013
I have a number which consist of 12 digits such as 765432123345. The first two digits denotes the year. I need to create a formula in the next column to calculate the difference in years by comparing to the current year of 2013. In this scenario, the difference will be 37. Is there a way to do this?
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Feb 15, 2008
I want to make a formula based on 2 times ex: 10:07:00 and 10:09:00. This formula should display "intime" if the diference between both is under 20 minutes, "outime" if the diference is above 20 minutes and it should display "error" if the time is under 0 minutes (this will only happen when someone makes a mistake typing in the time. For example 10:37:00 and 10:36:00)
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Mar 2, 2008
Have 2 columns with time values and the third showing the time difference ( no Problems). what to hide the row if the time diff is > 2 seconds? (problem) What would be the best why to do this
{Sub TimeDiff()
Dim i As Integer
Dim timevalue As Date
timevalue = "00:00.20"
Application. ScreenUpdating = False
With ActiveWorkbook. Sheets("Racing")
For i = 4 To . Range("M1")  1
If .Range("P" & i) > timevalue And Rows(i).EntireRow.Hidden = False And .Range("P" & i) <> "" Then
Rows(i).EntireRow.Hidden = True
End If
Next i
End With
Application.ScreenUpdating = True
End Sub
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Feb 8, 2010
I have a Point A to Point B with the distance.
1. user can set a adjustable distance in cell J1. e.g 2000
2. User select Point A.
3. User select Point B
4. Then list out all the Point C where distance diff between Point A and Point B all within 2000.
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Apr 27, 2004
I am trying to write what I believe is a fairly simple set of calculations to determine nonqualified stock option values. Before this digresses into a discussion of the merits of BlackSholes methodology, I must tell you that this is a "101" type sheet. I'm not an economist.
The deal is that my sister (for whom I'm constructing this worksheet), gets employer stock options which vest at different intervals.
In the past year, she's gotten some options that vest in two, four, and five year increments. I'm using Excel 2002, with the analysis toolpak, and stock pricing addin from MS.
Have today's date, date of option grant, and can easily compute time (in years) until options are fully vested.
The trick is that options with a 2year vesting period are 50% excerciseable in one year, 100% in two.
Fouryear options are excerciseable 25% per year for 4 years; 5year are 20% for 5 years, etc.
I'm trying to write a single datedriven formula to take each grant (individually), and divide it by the appropriate divisor (based on the current date), to figure out the current value.
I can't seem to quite figure it out how to write a formula which can handle:
Shares Strike Price Date of Grant Years Until Vested Value
100 26.57 1/4/2003 5
245 45.67 2/6/2001 4
Value should equal =
(if today's price is grater than Strike Price)
(Current Price * (Shares * (% vested which is based on "date of grant" + "years until vested")) )

(Strike Price * Shares * (% vested which is based on "date of grant" + "years until vested") )
how the math to make the "% vested multiplier" work...
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Mar 16, 2009
I have a spreadsheet which calculates the score for a particular item.
In cell M5, the answer should be 30 since the rating is 3 and weightage is 10 ( 3 X 10).
How do I automate this task via a formula ?
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Feb 27, 2012
I have a series of numbers in the column AB56 going downwards and in AC56 going downwards their respective counts in a dataset.
What I would like to do is find the average of the min and max, the min and max for the average calculation are both determined by looking at the count column, isolating the max, isolating the min, provided they both have a count greater than zero then averaging both results.
eg.
0.1562818960
0.1558039690
0.1553260431
0.1548481172
0.15437019 2
0.1538922643
0.1534143384
0.1529364124
[code].....
In this calculation the MAX is 0.155326043 because it has a count greater than zero, the MIN would be 0.138120697 as it has a count greater than zero, the average of both would simply be 0.1467. i.e. Average(0.155326043,0.138120697)
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Oct 26, 2012
I have a column CF which has to calculate the due date based on start date in column X and end date in column Y.
This is achievable however; I have dropdown columns in CE which has below option.
Below is the requirement.
If user select "Should Pay" from drop down in column CE, then in column CF the due date has to be Start date + 7 days
If user selects "Not to Pay" from drop down in column CE, then in column CF the due date has to be N/A or Blank
If user selects "Has Time to Pay" from drop down in column CE, then in column CF the due date has to be Start date + 9 days
If user selects "Misc" from drop down in column CE, then in column CF the due date has to be (End date  Start Date)/8+7
if this can be attainable either via formula or VBA.
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Aug 6, 2007
If a Rescue Officer is called out at 23:00 and is back at 04:00, this should equate to 5 hours worked.
It seems that if my times are all on one side or the other of a 24 hour cycle, my calculation work fine but it it breaks across the 24 hour (as above, it doesn't work.
A2=04:00
A1=23:00
Using (A2A1)*24 give me 19.00 hours
My SS macro has a line:
s = (wks.Cells(c, 3)  wks.Cells(c, 2)) * 24 'calculates the duration of time worked
Is there any way of getting excel to calculate an elapsed time in hours when the start and end times roll over from one day to the next?
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Nov 19, 2012
I am trying to calculate over time based on shift time.
For example: Regular shifts are between 7:00 AM to 3:00 PM (Monday thru Friday). Anything between those hours and on those days should be considered REGULAR TIME. Anything between 12:00 AM to 6:59 AM or between 3:01 PM to 11:59 PM should be calculated as OVERTIME.
Anything on Saturday or Sunday should be calculated as OVERTIME as well.
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Nov 24, 2008
I created a Pivot Table whose columns are different years (2007, 2008). I would like to show the growth (or not) of the percentages from the years. For example
Dept. 2007 2008 Growth
Bio 97% 56% 41%
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Nov 14, 2011
Is there a formula to calculate the difference between two letters?
For example, I have levels AZ. Column A contains level at the start of the year (AZ). Column B contains level at the end of the year (AZ). I would like to find the difference (e.g. level A to level D would be a change of 3).
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Mar 29, 2007
I am trying to calculate the difference between a scheduled start time and an actual start time. If the actual start time is greater than the scheduled start time a negative time (hh:mm:ss) should be returned. instead the cell is populated with #############....
I have tried to reformat using the custom formats, but the only options in excel 97 are for either standard numerics or £ (these return a minus figure).
I've had a look at the time functions but could not see a suitable one.
I'm sure there is a simple format solution to this.
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Dec 5, 2013
Formula "(CellCell)/ABS(Cell)"
When calculating percentage difference do I always subtract the smaller number/cell from the larger number/cell, then divide by the smaller number/cell or vice versa? Maybe I am over thinking it, but it is confusing the heck out of me
I provided an example below to illustrate a spreadsheet I work on. The numbers go up and down. I want to know how I should go about setting up the formula. If I need to ensure the smaller number is always subtracted from the bigger number, it will require a lot of manual intervention on my part.
Row 3 is =(b2b1)/ABS(b1)Row 4 is =(b2b1)/ABS(b2)Row 5 is custom. I went through each cell and made sure the smaller number was being subtracted from the larger number, then divided by the smaller number
PercDiffExample.xlsx
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Jun 2, 2009
I have the following on a spreadsheet that keeps track of when student work is handed in and calculates how many days late it is so a penalty mark can be given.
A1= User entered value : a fixed submission date that a piece of work is due to be handed in on.
A2 = User entered value : The date entered if work is handed in on time or early
A3 = User entered value : The date the work was handed in if late
A4 = User entered value : The date the piece of work is due to be handed in if an extension has been granted
A5 = Calculated value : How many days late a piece of work is
Essentially I want the calculation in A5 to reflect how many days late a piece of work is. SUM(A3A1) would do this of course. If the work is early or on time, A2 is ignored.
Sometimes however students have permission to hand work in late, in which case another calculation is needed to work out how many (if any) days over their extension date (A4) their work is. How do I combine these two calculations into the same cell, so that if A3 is empty it checks A4 to see if the student has an extension date and then returns a 'days late' value if applicable?
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Aug 10, 2009
I need to calculate the difference between a start time and end time in hours and minutes.
Start
01/07/2008 11:40
End
01/08/2008 19:28
Start and End columns are formatted as 'Custom' m/d/yyyy h:mm.
I'm not sure what formula to write to calculate the hours and minutes between the two times. Everything I've tried doesn't count over 24 hours. Also what do I format the result cell as?
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Aug 21, 2013
It will be easier to explain in an example:
A B
Time (hh:mm:ss) Digital
1 10:03:00 0
2 10:03:01 0
3 10:03:02 1
4 10:03:03 1
5 10:03:04 1
6 10:03:05 0
[code]....
From the data above I am searching for the duration of when the digital column says '1', i.e my function = A5A3 which would output 2 secs or 00:00:03 & likewise A9A8.
The problem I have is that the digital signal is staggered and does not always have the same frequency. I have over 6848 lines of time to check so to do this manually would take me all day.
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Apr 27, 2014
Formula to calculate time allotted minus time used and show the difference in hour and minute.
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Mar 13, 2012
Cell A1 contains 02/29/2012
Cell B1 contains 12/01/2006
I am looking for a formula that will return the number of months (periods) between two dates, ignoring days and years. Using the above dates, which cannot be changed, the result needs to be 63. The formulas I have tried keep returning 64 because my later date is at the end of a period, and my earlier date is at the beginning.
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Feb 29, 2012
I am trying to work out average for a particular area based on a criteria.
eg:
E F
Area time
A 01:00
B 02:15
A 01:15
C 01:16
B 01:30
C 03:15
In Cell
E100  103 I'm trying to work up the average of each area and using the following formula.
=AVERAGE(IF($E$4:$E$61="A",F4:F61,""))
I keep getting an the following error #value!.
i changed the average to median and still get the error.
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May 3, 2008
This may be a bit vague but here goes.
I have to calculate the difference between the start time and end time of a job. The only catch is, how can I avoid calculating "out of hours" time. So, if a job goes from 9am to 9am the next day, I want it to avoid calculating between the hours of 23:30 and 03:30.
Another example is if a job goes from 02:00 to 04:00, I want it to avoid the tim between 02:00 and 03:00.
If there is a difference in days, so the job goes overnight, how do I take that into consideration also.
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Aug 16, 2008
I've got a time difference from 8:00AM  12:30PM as 4.30 I'm trying to get the minutes, .30, converted into a 6 minute increment, .5. Is it possible to do this and if so how would it be done? Below is a chart of how the time is converted from 6 minutes increments into decimal form.
6 = 0.1 36 = 0.6
12 = 0.2 42 = 0.7
18 = 0.3 48 = 0.8
24 = 0.4 54 = 0.9
30 = 0.5 60 = 1.0
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