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Hur beräknar jag timmar mellan tider efter midnatt i Excel?

doc beräkna tiden över natten 1

Om du antar att du har en tidtabell för att registrera din arbetstid, är tiden i kolumn A starttiden för idag och tiden i kolumn B är sluttiden för nästa dag. Normalt, om du beräknar tidsskillnaden mellan de två gånger med direkt minus "= B2-A2", kommer det inte att visa rätt resultat som den vänstra skärmbilden visas. Hur kunde du beräkna timmarna mellan två gånger efter midnatt i Excel korrekt?

Beräkna timmar mellan två gånger efter midnatt med formeln

pil blå höger bubbla Beräkna timmar mellan två gånger efter midnatt med formeln

För att få rätt beräknat resultat mellan två gånger över midnatt kan du använda följande formel:

1. Ange denna formel: =(B2-A2+(B2<A2))*24 (A2 är den tidigare tiden, B2 är den senare tiden kan du ändra dem efter behov) till en tom cell som bredvid dina tidsdata, se skärmdump:

doc beräkna tiden över natten 2

2. Dra sedan fyllningshandtaget till cellerna som du vill fylla i denna formel, och tidsskillnaderna mellan två gånger efter midnatt har beräknats på en gång, se skärmdump:

doc beräkna tiden över natten 3

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Comments (23)
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Timea
Timea
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Hi All,

So I have a list of employees, all their working dates with start and end time & date.

I need to figure out how many hours were spent after midnight- night hours. The issue is that there are all sort of starting and finish times- some of the shifts were day shift the others started at 9pm till 2am, others started 10pm till next morning 5 am, etc.

Is there a way of calculating this using a generic formula for all lines?

I have tried so many variations but excel does not want to collaborate!
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skyyang
skyyang     Timea
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Hello, Timea,
In fact, the formula in this article can solve your problem, see below screenshot:
https://www.extendoffice.com/images/stories/comments/comment-skyyang/2023-comment/doc-calculate-hours.png
Please have a try, thank you!
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Timea
Timea     skyyang
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Thank you for your reply.

I only want to know the hours worked after midnight, so only the night hours.
Not total hours worked.
Hope this makes sense.
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skyyang
skyyang     Timea
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Hello, Timea
If you just need to get the hours worked after midnight, the below formula may help you：
=IF(DAYS(B2,A2)>0,(B2-A2+(B2<A2))*24,"")
Please try, hope it can help you!
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Mat
Mat
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Very clever, using the comparison (b2<a2) to return a boolean result so if it's after midnight it adds 1.  It took me a minute to understand what you did it was so elegant. 
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MandyZhou
MandyZhou     Mat
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Hello,
You are welcome. Glad it helps. Any questions, please feel free to contact us. Have a great day.
Sincerely,
Mandy
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Mark Reynolds
Mark Reynolds
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This doesn't work with all data. The solution I tried after trying the above was =IF(B22>C22,(C22-0)+(24-B22),C22-B22)
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Devi
Devi     Mark Reynolds
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=IF(B22>C22,(C22-0)+(24-B22),C22-B22) is perfect but instead of ( , ) use ( ; )
thankyouverymuch
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Nick
Nick     Mark Reynolds
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Doesn't work for me... Formula incorrect.
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muribarabata
muribarabata     Mark Reynolds
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Great solution, very useful! Thanks :)
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chris
chris
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Hi, i need help please. I have data that auto loads daily at 5pm. The process is broken into 2 parts (ETL1 and ETL2). ETL1 starts at 5pm till 11pm and ETL2 starts at 11 till 4 am. at 7 am i run a script to check if everything ran. each row has a start and end date time. i would like to flag all data after 5pm yesterday as todays data. Currently when i filter on today, i only see the rows where the date is after 00:00
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crookesa
crookesa
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Can someone explain when the function of addition of the TRUE/FALSE values does so I can understand the formula please?
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bagas.arisyahroni@gda-dairy.com
    crookesa
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True = 1, False = 0
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Clifton
Clifton
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I think a simple MOD(B2-A2,1) should be enough?
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Meni Porat
Meni Porat     Clifton
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This is undoubtedly the best and shortest solution.
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Matt
Matt
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Austin, the formula stated in the article above works well for me
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Austin Bond
Austin Bond
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The formula under bullet point #1 is wrong. =(B2-A2+(B2<A2))*24, but is should read as =B2-A2+(B2<A2)*24.

The parentheses are in the wrong spot.
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NoName
NoName     Austin Bond
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THANK YOU! This is definitely the correct formula.
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axel.bak@gmail.com
    Austin Bond
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Yes Austin! Your formula works, the other formula renders nonsense (in my case). Thanks!!
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Lisa
Lisa     Austin Bond
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No, Austin's correction works for me. The original with the parentheses where they are shown does not work. Maybe a diifferent version of Excel makes a difference? I am on MS Home and Office 2016
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Greg
Greg     Austin Bond
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The original formula works better than your suggestion Austin.
I also used =(A2-B2+(A2<B2))*1440
This worked best to convert time into minutes.
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Ângelo Campos
Ângelo Campos     Greg
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Depois de colocar a formatação ao tentar somar a coluna total de horas o valor dá-me errado.

O campo é formatado [h]mm
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fabio
fabio     Ângelo Campos
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=(A2-B2+(A2)) sem utilizar a multiplicação por 24
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