Negative Time Formula
Dec 22, 2009
I can't use 1904. I have a formula that almost works.
I am doing everything in Military time. This is the finial peice of the puzzle.
Our shift begins at 18:00 and ends up until 7:00 (am) or so depending onwork
A1 I have a time (Projected-Estimate of when all work should be done)
A2 I have a time (Actual- Time the work was actually complete.)
A3 Will be show the difference in either a Negative or Positive time.
Three Examples: (The first two work as is and are perfect) ....
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Dec 22, 2009
(First please don't send me a link on how to subtract time or show Negative time. I know about 1904 ect.. I can't use that. I need a variation on the formula I am using if possible)
A1 I have a time
A2 I have a time
A3 I have a formula subtracting A2 from A1
The times will vary in A1 & A2. Sometimes A1 will be earlier or later thus giving me negative or positive times. I have a formula that will give me a correct answer but will always show either Positive or Neg depending on what I put in the last part of the formula "-H:MM or H::MM" =TEXT(MAX($A$1:$A$2)-MIN($A$1:$A$2),"-H::MM") in A3. I want it to do the subtraction but say if A1 is > than A2 then "-H::mm", If A1 is < A2 then "h::mm". I don't know if that is possibly or how to incorporate that into what I have.
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Aug 9, 2009
the Times work fine 22:00pm to 5:30am or 6:00am to 5:30am
Formulas
J4
=IF(ISNUMBER(D4),(D4>E4)*MEDIAN(0,E4-N$4,O$4-N$4)+MAX(0,MIN(O$4,E4+(D4>E4))-MAX(N$4,D4))-F4-L4,0)
K4
=IF(ISNUMBER(D4),MAX(0,MOD(E4-D4,1)-J4-L4-M4-I4-F4),0)
L4
=IF(ISNUMBER(D4),IF(MOD(E4-D4,1)-F4>P$4,(MOD(D4+P$4,1)>E4)*MEDIAN(0,E4-N$4,O$4-N$4)+MAX(0,MIN(O$4,E4+(MOD(D4+P$4,1)>E4))-MAX(N$4,MOD(D4+P$4,1))),0),0)
M4
=IF(ISNUMBER(D4),MAX(MOD(E4-D4,1)-F4-I4-L4-P$4,0),0)
but if I try 22:00pm to 6:00am or later
The following is displayed
Negative Time in J4 and the wrong result in K4
this is not what I need
It should be showing the following
J4 2:00 K4 5:00 L4 00:00 M4 00:00
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Nov 4, 2012
I have devised a simple formula when a member of staff enters a date and time into a cell it starts deducting from todays date and time. ie:
Cell A1 - Date and time is entered by staff
Cell B1 - Is the above cell +24hrs
Cell C1 - NOW()
Cell D1 - B1-C1 Formatted in hours ( [h] :mm:ss (Like a count down clock)
The problem i have is that i cannot get Cell D1 to show minus ours it just goes to negative and shows continous #####. Is there any way i can get Cell D1 to show the hours it has gone minus by.
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May 12, 2009
I have a large dataset (24000 rows) that requires me to multiply two different columns of integers. In some cases, the two integers are both negative and multiplying them results in a product that is positive. I actually need that product to be negative rather than positive. I can't quite seem to figure out the best way to accomplish this.
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Jan 30, 2007
i am tracking my working hours at night, so i type in the time i start and the time i quit like this:
A 1 start B 1 end
A 2 22:30 B 2 02:30
now i want to calculate the time between.
but since excel don't like the negative time i got a problem. i figure i must make a function something like
=IF(B2<A1,B2+24)
i have tried a few but i don't get the parameters right so i get errors,
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Mar 8, 2008
I have a formula calculating time to the second (e.g HH:MM:SS). I am calculating the difference from the time something was scheduled to be done vs. when it was actually completed. What I can't get Excel to do is calculate the same time but listing the time in negative, as if the project went over and by how much.
I know how to do this in numbers view, but unable to do this in time view.
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Dec 9, 2009
I’m trying to get the difference between times, BUT I want to account for “negative” time. So if I project that an employee will finish a task at 2 am, and they finished at 2:30 am, I want the result to be -:30, not just :30. If they finished at 1:30 then it would just be :30. Hence, my dilemma. I can get the difference, but didn't think Excel could recognize negative times. Right now I am using =MOD((A1-A2),1) or =(A1-A2+(A1<A2))*24/24 and in cells A1+A2 I am using military time.
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Nov 14, 2008
how to do that? In "mm:ss" format if possible
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Feb 6, 2012
Data from a SQL database represents time of day as a string of x's when imported into Excel. With CLEAN, I found that noon is -0.5.
This means that the calculation being used for noon is (24 * -0.5), or -12, meaning "go to the end of the 24 hour day, then go back half a day to noon." Similar calculations work other times of day.
Time entries that start in one day and end in the next are not allowed, so there is no problem with a change in day,
How can I convert this to the AM/PM time that my users need?
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Jun 11, 2009
My worksheet takes a time feed in the format '00:01:05' and I want to trigger an event when it goes to negative (eg, -00:01:05). But I have no idea how to handle it.
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Jul 18, 2006
Ecel 2000
If Ii subtract time
eg 22:00-01:00 I get ############### wrong
If I subtract 22:00 23:00 I get 1 HR correct
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Apr 24, 2009
Excel 2000. I am having a little problem getting the list of numbers detailed below to turn red if Negative and Green if positive, (0:00 to stay blank). These numbers will changed between a maximum of 120:00hrs and -120:00hrs....
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Jul 16, 2007
It seems that time (i.e. -1:00) will be default as #########, etc. This makes me very unhappy. How to get around?
I could be fine with converting time to a total in seconds (i.e. 1:00 converted to 60 seconds)... but I'm not sure what kind of formula could do that.
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Apr 29, 2008
I have one service level sheet where i used data in time format. I am getting error while using this sheet. I will just explain it in simple way...............
Please find below mentioned details.
Cell C D F
1 23:04 23:13 00:03
In cell G1 i have formula to get time difference between cell C1 and D1 and its give me difference between these both time as 00:09.
Formula is =IF(OR(ISBLANK(C1),ISBLANK(D1)),"",D1-C1)
In cell H1 i have formula to get difference time between cell C1 and F1.
Formula is =IF(OR(ISBLANK(C1),ISBLANK(F1)),"",F1-C1)
But in Cell H1 i am getting Error as Negative time or date display as ########
Is there anyway where i can get Exact time diffrence between Cell F1 and Cell C1
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Mar 16, 2013
I have a problem with adding time values. The idea of my spreadsheet is to count time worked, and then calculate any variance from the normal shift length (i.e. 7h 30m). My formulas work fine until I work less than 7h 30m in a shift.
Example:
A1=start time
A2=end time
A3=IF(A2="","",MOD(A2-A1,1))
A4=IF(A3="","",(A3-(TIME(7,30,0))))
When the duration is over 7h 30m, A4 correctly returns the value of extra minutes. But when the duration is under 7h 30m the return is #####.
PS A1:A2 are formatted in a custom format hh:mm and A3:A4 are formatted as h:mm, and I'm using Win7 & MS Office 2010.
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Apr 24, 2013
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Jul 19, 2006
IF formula
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G9 and G10 can be positive or negative. If G9 or G10 is a negative number,
I want the greater of the two to be used and then to be added to E10. But
right now, Excel is saying -20 (which is G10) is greater than zero. I'm
getting a VALUE error.
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Sep 19, 2007
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Dec 26, 2006
This may be more of a math question rather than an Excel one.
If I have a spreadsheet with a cell that produces different negative number each time it is used, is there a way i can add a formula to make it a positive number.
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Cell A1 changes so it would need to do the same for any negative number within that cell.
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Oct 12, 2008
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Dec 11, 2008
I want to subtract column B from column A and put the result in column C. If the result is a negative I want a formula to turn it to 0.
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Jun 9, 2009
Ignoring Negative results in a formula
Question withdrawn
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Nov 6, 2006
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and when i fill in a number like 100 at A1
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Now i want the -50 not to disapear but instead there must be stand a 0(zero)
What is the formula i can use
i dont mind to put in at another cel like A4 for example
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Aug 1, 2007
I have data that comes from a subsytem that places the negative sign at the right of the number, so it is recognized as text. I can get around this using find and replace and then a second step to multiply that by -1, but is there a formula that can do this for me?
I was trying if(right(A1,1)="-",TBD,A1)
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Sep 1, 2007
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May 7, 2014
I can't seem to find the right formula that can tell me how many times i have a negative number in a series of cells.
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Aug 4, 2014
I have several thousand values to compare, using = Exact(A2, B2) to find exact matches and return TRUE/FALSE. I've gotten a bunch of incorrect results especially where both values equal zero.
Data attached : Exact_values.xlsx‎
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Dec 15, 2008
How can i do this using Excel 2007. I have to cells, A1 and B1. A1 is always Positive whereas B1 might be Positive or Negative. I need a calculation/formula in C1 that ADDS cells B1 and A1 (B1+A1) IF B1 is Negative and SUBTRACTS A1 from B1 (A1-B1) IF B1 was Positive.
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Jul 23, 2012
I am looking for a formula to do the following:
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