Calculating The Difference Between Time Stamps?
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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Aug 17, 2013
I'm calculating the difference in time:
9:54-9:45 = 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 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(O17-N17-P17,"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 : =(B1-A1)
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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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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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(I4-B4,1)))
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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Apr 12, 2008
I'm an avid amateur Excel-er who has adopted Excel for scheduling of the Internal Medicine Residency in Las Vegas. I want to devise a way to time stamp residents who attend our morning report by having them sign in next to their name and then have the time of signing in pop up in the column next to their name.
E.g.
Sign In Resident Name Time
(check mark) J. Doe 8:12am
The reason I want to do this is so I can track who signs in before 8:15am for our morning report and prevent those who sign in after 8:15am from being counted as present.
I tried using =if(a2=1,now(),"") in C2, however, if anyone else signs in using "1" as the check mark, then the times all update to NOW. How can I stamp the individual residents with a static time?
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Jan 11, 2007
I've got a date stamp using VBA to each cell in column A. What I'm really wanting is it to show date and time.
Private Sub Worksheet_Change(ByVal Target As Range)
Dim rng As Range
' Only look at single cell changes
If Target.Count > 1 Then Exit Sub
' Set Target Range
Set rng = Range("A:A")
' Only look at that range
If Intersect(Target, rng) Is Nothing Then Exit Sub
' Action if Condition(s) are met
Target.Offset(, 1) = Date
End Sub
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Feb 21, 2014
I want time and date (as of the time of clicking) when i click a checkbox in one cell to appear, and stay unchanged, in another cell. When it is not checked, or if it is unchecked again, the date and time have to disappear. And if clicked again, a new date and time set (as of the time of the new click) has to appear.
I have tried this solution:
A2 Format control (of CheckBox) -> Cell link set to:
$B$2
C2 (wherein time+date needed) set to
=IF(B2=TRUE;NOW();"")
But the now function is literally "now" I have discovered, and keeps the date and time updated to actual time. I need it to keep the time from when the checkbox was clicked.
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Aug 2, 2013
A
B
C
D
1
HOURS
MILES
LAST SAFETY
DATE LAST UPDATED HOURS
DATE LAST UPDATED MILES
DATE LAST SAFETY
in wich columns A B and C are the colums i enter data in and the corresponding columns e i and k have a date stamp automatically entered
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Dec 22, 2009
1/1/20080:221/2/200814:051/1/20082:451/3/200819:301/1/20089:001/1/200819:33
In time Out time
I 've used the site many times in the past, but this is my first post.
Above is a small example of the data Im working with. I'm not wanting to plot all of this out by hand, so hopefully someone can help (there are around 30,000 samples). I'm looking to track by hour when a customer is actual here. The first row is one customer in @ 00:22 and out the next day at 14:05.
I would like to have dates of the year down column A and hours 0 through 23 across row 1. Then a number of customer here on 1/1/2008 by every hour of the day on to 1/2/2008 so on and so.
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Jul 21, 2014
I need a date and time to appear and disappear in the corresponding cells when the checkbox is ticked and unticked. I got it to work but that was before i had multiple checkboxes on one line and added merged cells.
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Dec 5, 2009
I have a output file that is collected time stamped data. How do I select the rows of the first time stamped collection. So, if the first row is stamp with 03-Jan-2009 23:59:00, I want to copy all the rows with that time stamp below the first row and stop when the time stamp starts at 03-Jan-2009 00:00:00. Attached is my sample sheet.
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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 A-Z. Column A contains level at the start of the year (A-Z). Column B contains level at the end of the year (A-Z). 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 "(Cell-Cell)/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 =(b2-b1)/ABS(b1)Row 4 is =(b2-b1)/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(A3-A1) 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 = A5-A3 which would output 2 secs or 00:00:03 & likewise A9-A8.
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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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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Jul 7, 2006
i want to ask for a reason if a item is late where M & line is the time it should have left and N & line is the actual time it left.
TL is the difrence between the two times
i want the input box to read " DRIVER DISPATCHED 30 MINUTES LATE PLEASE ENTER REASON"
but it returns "DRIVER DISPATCHED -.11233543 E2 MINUTES LATE"
how do i format this to show the difrence in minutes
TL = Range("N" & Line) - Range("M" & Line)
late = InputBox("DRIVER DISPATCHED " & TL & " MINUTES LATE PLEASE ENTER REASON")
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Jun 11, 2014
I am having a little trouble with a spreadsheet I am creating, the formulas and cell formatting I should be using to enable this to work.
Here goes:
in cell E3 I have a time started (e.g 12:45 pm), In F3 i have time finished (e.g 2:30 pm)
So, what i'm wanting is the time taken in G3 and also, i have the amount of units that is entered manually in H3. I would like I3 to show the time taken per unit.
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Feb 20, 2009
I'm battling to come up with the formula to calculate time and a half and double time. My boss wants me to show the overtime worked AFTER 40 hours has been worked. I have attached a copy of my spreadsheet.
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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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Feb 28, 2007
I'm trying to calcuate the time difference using military time.
For example:
A1 has 0400 A2 has 0430 A3 SHOULD be :30
B1 has 1500 B2 has 1715 B3 SHOULD be 2:15
Unfortunately I either keep getting all zero's, or the correct answer but without the ":" in the answer (b3 would look like 215)
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