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Hur visar / visar jag negativ tid korrekt i Excel?

Vissa av oss kan drabbas av detta problem, när du subtraherar en senare tid 12:20 från en tidigare tid 10:15 får du resultatet som ####### fel som följande skärmdumpar visas. I det här fallet, hur kan du visa negativ tid korrekt och normalt i Excel?

doc-visa-negativ-tid1-2doc-visa-negativ-tid2

Visa negativ tid korrekt med att ändra Excels standarddatumsystem

Visa negativ tid ordentligt med formler

pil blå höger bubblaVisa negativ tid korrekt med att ändra Excels standarddatumsystem

Här är ett enkelt och snabbt sätt för dig att visa negativ tid normalt i Excel genom att ändra Excels standarddatumsystem till 1904-datasystem. Gör så här:

1. För att öppna Excel-alternativ dialogrutan genom att klicka Fil > Tillbehör i Excel 2010/2013 och klicka Kontorsknapp > Excel-alternativ i Excel 2007.

2. Sedan i Excel-alternativ dialogrutan, klicka Advanced Open water från den vänstra rutan och i den högra delen, kontrollera Använd datum från 1904 under Vid beräkning av denna arbetsbok sektion. Se skärmdump:

doc-visa-negativ-tid1

3. När du har gjort inställningarna klickar du på OK. Och den negativa tiden kommer att visas korrekt på en gång, se skärmdumpar:

doc-visa-negativ-tid1-2doc-visa-negativ-tid2

pil blå höger bubblaVisa negativ tid ordentligt med formler

Om du inte vill ändra datumsystemet kan du också använda följande formel för att lösa den här uppgiften.

1. Ange dina datum som du vill beräkna dem och ange den här formeln = TEXT (MAX ($ A $ 1: $ A $ 2) -MIN ($ A $ 1: $ A $ 2), "- H :: MM") (A1 och A2 anger de två tidscellerna separat) till en tom cell. Se skärmdump:

doc-visa-negativ-tid1

2. Tryck sedan på ange nyckel och du får rätt resultat enligt följande:

doc-visa-negativ-tid1

Dricks:

Här är en annan formel som också kan hjälpa dig: = IF (A2-A1 <0, "-" & TEXT (ABS (A2-A1), "hh: mm"), A2-A1)

I denna formel, A2 indikerar den mindre tiden, och A1 står för större tid. Du kan ändra dem efter behov.

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Comments (18)
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Martin
Martin
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The problem I'm having with this negative time solution - is that the spreadsheet with the negative also has a lot of cells with dates in it, so when I Tick 1904 Date System - This adds 4 years to the dates.... is the only remedy for this to go and manually change all those dates?
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Ayolice
Ayolice
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I used the formula =IF(A2-A1<0, "-" & TEXT(ABS(A2-A1),"hh:mm"), A2-A1) to calculate the difference between times and it fixed my problem, so thank you! However, now I have another problem, I need to add together the results. So for example, if I have three different times I need to add up (as a result of the formula): -00:00:05, -00:00:10 and 00:00:03. So 2 negative times and 1 positive in this example. How can I have a formula that will calculate (-00:00:05) + (-00:00:10) + (00:00:03) = -00:00:12?
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Kunal Shah
Kunal Shah     Ayolice
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-0:00:05
-0:00:10
0:00:03
=sum(A1:A3)
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Sunny
Sunny     Ayolice
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Hi, Ayolice, place the positive time in cell E1, and place the negative time in cell E2 and E3, then use this formula =TEXT(MAX($E$1:$E$3)-MIN($E$1:$E$3),"-H::MM:SS")
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JeteMc
JeteMc
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Thank You!
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shalene
shalene
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i have a date from someone elses file showing as "20171229" i need it to look like "12/29/2017".. PLEASE HELP!
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John M
John M     shalene
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=date(left(A1,4),mid(A1,5,2),right(A1,2)
Where A1 is the cell containing the date.

The new cell will contain an excel date value for that day,
right click the new cell, and select the date format you want.
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JS
JS
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I have a negative time value in a cell, say CQ15. [ i got the value using the above mentioned formula =IF(A2-A1<0, "-" & TEXT(ABS(A2-A1),"hh:mm"), A2-A1) ]

Next, I'm trying to multiply the cell value with 5, ie. CQ15*5.
But not getting any result.
I have tried both the following formulas:
=TEXT(CQ15*5, "[h]:m:ss")
&
=IF(CQ15*5<0, "-" & TEXT(ABS(CQ15*5),"[h]:m:ss"),CQ15*5)

In both cases, i received #VALUE!

Can anyone please help me with this.
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KulGery
KulGery     JS
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Couse CQ15 is a text cell. For calculate with it, you must format it as time value.
=IF(LEFT(CQ15,1)="-", -TIMEVALUE(RIGHT(CQ15,LEN(CQ15)-1)), TIMEVALUE(CQ15))
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bo ek
bo ek
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thank you so much! You just saved my day!
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Meg
Meg
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I am trying to calculate a negative formula for shift time not fully worked. Say data is as follows: A1 = 07:30 shift start, minus A2 = 1:00 lunch break A3 = 16:30 shift ends Then A4 = 8:00 hours worked during the day. But, should the worker leave earlier, say 17:00, what is the formula in cell A5 that shows how much short the person's shift was?
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Marc Kupper
Marc Kupper     Meg
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[quote]I am trying to calculate a negative formula for shift time not fully worked. Say data is as follows: A1 = 07:30 shift start, minus A2 = 1:00 lunch break A3 = 16:30 shift ends Then A4 = 8:00 hours worked during the day. But, should the worker leave earlier, say 17:00, what is the formula in cell A5 that shows how much short the person's shift was?By Meg[/quote] You can't directly display a negative time in Excel. However, you can display it using the TEXT() function. For example Cell A4 would have =A3-A1-A2 which will display the hours/minutes worked. Cell A5 would have 8:00 which is the number of hours you expect this person to work Cell A6 would have =IF(A5=A4,"Met expected target",IF(A4
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MND
MND
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"Tip: Here is another formula also can help you: =IF(A2-A1
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Ralf
Ralf
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If you switch to 1904 all dates in the workbook change. Not a solution. What is this 1904 thing anyway?
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Marc Kupper
Marc Kupper     Ralf
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[quote]If you switch to 1904 all dates in the workbook change. Not a solution. What is this 1904 thing anyway?By Ralf[/quote] The 1904 format comes from Excel version 1.0 which was on the Macintosh. Two years later Microsoft released Excel for Windows and with with that release introduced the "1900" date format. Excel for the Mac continued to default to the 1904 format and Windows defaults to the 1900 format. Both versions can switch to the other format but doing so will cause all dates in a workbook to shift. The year 1900 was special in that though it's divisible by 4 it was not a leap year. The Mac's clock hardware did not have the extra logic needed to handle this special case and so Apple simplified the design by allowing for dates from 1904 (the first leap year in the century) on out. As Excel was first written for the Mac it was natural that Excel would use the Mac's date format. The developers of Excel for Windows used the 1900 format for backwards compatibility with SuperCalc and Lotus 1-2-3 which were the dominate spreadsheet applications in the MS-DOS and Windows markets at the time. The 1904 and 1900 formats are nearly identical. The 1904 format stores dates as the number of days since 1/1/1904 and the 1900 format is the number of days since 1/1/1900. You can convert a 1904 date to a 1900 date by adding 1,462 to a cell's value and subtracting 1,462 to convert the other way. Apparently the developers of Excel for the Mac included code to support negative time values. The coders of Excel for Windows did not support negative time values. Modern versions of Excel still include two separate chunks of code with one dealing with 1904 dates and the other for 1900 dates. They never fixed the 1900 code to support display of negative time values.
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Ralf
Ralf     Marc Kupper
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Thanks for the history lesson, Marc. Much clearer now how it came to this. Still leaves me wondering about your last sentence: "They never fixed ..." I don't get it. Would it be so hard to fix? So I still need to use Libre Office for two things: negative times and CSV export. Must be exotic niche features ...
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sk
sk
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Hello, any idea of how to do sum of negative hours which are in hh:mm format? for example -01:00 is at A1 column, -02:00 is at A2 column, -03:00 is at A3 column. I used "if" command to sum up the three columns (A1,A2,A3) but showing 0:00 if command "if(A1:A3
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ExelWizard
ExelWizard     sk
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Couldn't you just multiply the numbers by -1 to start, add them up then multiply by -1 again?
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