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Kako pretvoriti številko tedna v datum ali obratno v Excelu?

Ali lahko dobite številko tedna z določenega datuma ali izvlečete časovno obdobje iz določene številke tedna in leta v Excelu? Če želite rešiti to nalogo, vam lahko naslednje formule naredijo uslugo.

Pretvorite številko tedna v datum s formulo

Pretvorite datum v številko tedna s formulami

Pretvorite številko tedna v datum s formulo

Recimo, da imam na delovnem listu naključno številko leta in tedna, ki sta leta 2015 in 15, kot je prikazano na spodnjem posnetku zaslona, ​​zdaj pa želim ugotoviti natančne datume od ponedeljka do nedelje s to številko tedna.

Če želite izračunati časovno obdobje s točno določeno številko tedna, lahko uporabite naslednje formule:

1. Izberite prazno celico, ki ji boste vrnili začetni datum (v našem primeru izberemo celico B5), vnesite formulo: =MAX(DATE(B1,1,1),DATE(B1,1,1)-WEEKDAY(DATE(B1,1,1),2)+(B2-1)*7+1), in pritisnite Vnesite tipko. Oglejte si spodnji posnetek zaslona:

2. Izberite drugo prazno celico, vrnili boste končni datum (v našem primeru izberemo celico B6), vnesite =MIN(DATE(B1+1,1,0),DATE(B1,1,1)-WEEKDAY(DATE(B1,1,1),2)+B2*7), in pritisnite Vnesite tipko. Oglejte si spodnji posnetek zaslona:

note trak Formula je preveč zapletena, da bi si jo zapomnili? Shranite formulo kot vnos samodejnega besedila za nadaljnjo uporabo z enim samim klikom v prihodnosti!
Preberite več ...     Brezplačen preizkus

Opomba: V obeh zgornjih formulah B1 vsebuje leto in B2 je določena številka tedna, lahko argumente spremenite glede na vaše potrebe).

3. Kot vidite, obe formuli namesto datumov vrneta številki. Nadaljujte z izbiranjem rezultatov izračuna in kliknite Domov > Oblika številk polje> Kratek zmenek da spremenite številke na datume. Oglejte si spodnji posnetek zaslona:

Z enim klikom pretvorite več nestandardnih datumov / številk / besedila za oblikovanje v običajne datume v Excelu

Kutools za Excel Pretvori v datum pripomoček vam lahko pomaga z enim klikom v Excelu enostavno prepoznati in pretvoriti nestandardne datume ali številke (llllmmdd) ali besedilo v običajne datume.

Zagotovite si 30-dnevno brezplačno preskusno različico vseh funkcij!

pretvorba oglasov na datum 1

Pretvorite datum v številko tedna s formulami

Po drugi strani pa lahko funkcijo WEEKNUM uporabite tudi za pretvorbo datuma v ustrezno številko tedna.

1. Izberite prazno celico, ki ji boste vrnili številko tedna, vnesite to formulo: = TEDEN (B1,1)in pritisnite tipko Enter. Oglejte si posnetek zaslona:

Opombe:

(1) V zgornji formuli, B1 vsebuje datum, ki ga želite uporabiti.

(2) Če morate vrniti številko tedna z datuma, ki se začne v ponedeljek, uporabite to formulo: = TEDEN (B1,2).

Sorodni članki:

Kako prešteti število določenih delovnih dni med dvema datumoma v Excelu?

Kako dodati / odšteti dneve / mesece / leta do danes v Excelu?

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Comments (24)
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denmark
denmark
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so much complicated.

just hit this one

=TEXT(A2 - (WEEKDAY(A2,2)) + 1, "MMM DD") & " - " & TEXT(A2 + 7 - (WEEKDAY(A2,2)), "MMM DD")
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Long
Long
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All of these formulas have issues when the date is in the last week of the year. They don't give the correct date for Monday of the last week.
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nair.srijith@gmail.com
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I find this better "Start of week"
B5=(8-WEEKDAY(DATE(B1,1,1),1))+((B2-2)*7)+DATE(B1,1,1)

8-WEEKDAY(DATE(B1,1,1),1) => find the no. of days in a week for first week of the year
(B2-2)*7 => calculate the number of days excluding the first week of year and the week for which calculation is being done
Then add these 2 to the first day of the year to get first day of the desired week


Then "End of week",
B6=B5+6

PS:
Week starts on Sunday
For weeks starting on Monday, use this instead:
B5=(8-WEEKDAY(DATE(B1,1,1),2))+((B2-2)*7)+DATE(B1,1,1)
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Fabian
Fabian    
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Your formula works perfectly for every year. End of week would be B6=B5+6 though. Thanks a lot!
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nair.srijith@gmail.com
    Fabian
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Thanks. Will correct that...
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Ryan
Ryan
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This formula is overly complicated. If you have a date say 8/17/2021 in Cell A1, to get the Week Ending(as of Saturday) you just need the following: = A1-WEEKDAY(A1,1)+7This will return 8/21/2021. Date of 12/30/2020 will return 1/2/2021 as week ending.
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GILLY2801
GILLY2801
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Hi,

not sure if this has been asked, but essentially, I want to be able to drag the date and the week number automatically fill beside it when I do that.

Can anyone help?

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Mikeman145
Mikeman145     GILLY2801
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@gilly2801 you can use an array formula for example with "=weeknum(C2:C)" press command shift enter and it will turn it into an array function.
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Biswajit
Biswajit
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Hi please help me.

Suppose we are considering Date 1 to 7 is week 1 and 8 to 14 is week 2. Can you please help me out how can i use if function to calculate week. I have tried but not able to get the correct result.
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nair.srijith@gmail.com
    Biswajit
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=ROUNDUP((TODAY()-DATE(YEAR(TODAY()),1,1))/7,0)
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Srijith
Srijith     Biswajit
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=ROUNDUP((TODAY()-DATE(YEAR(TODAY()),1,1))/7,0)
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jtaylorg91
jtaylorg91
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Thank YOU!!!!
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geoffsmile
geoffsmile
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Thank you very much!


=CONCATENATE("Inclusive Dates: ",TEXT(MAX(DATE(TEXT(TODAY(),"yyyy"),1,1),DATE(TEXT(TODAY(),"yyyy"),1,1)-WEEKDAY(DATE(TEXT(TODAY(),"yyyy"),1,1),2)+(WEEKNUM(TODAY())-1)*7+1),"MMMM")," ",TEXT(MAX(DATE(TEXT(TODAY(),"yyyy"),1,1),DATE(TEXT(TODAY(),"yyyy"),1,1)-WEEKDAY(DATE(TEXT(TODAY(),"yyyy"),1,1),2)+(WEEKNUM(TODAY())-1)*7+1),"DD"),", ",TEXT(MAX(DATE(TEXT(TODAY(),"yyyy"),1,1),DATE(TEXT(TODAY(),"yyyy"),1,1)-WEEKDAY(DATE(TEXT(TODAY(),"yyyy"),1,1),2)+(WEEKNUM(TODAY())-1)*7+1),"YYYY")," - ",TEXT(MIN(DATE(TEXT(TODAY(),"yyyy")+1,1,0),DATE(TEXT(TODAY(),"yyyy"),1,1)-WEEKDAY(DATE(TEXT(TODAY(),"yyyy"),1,1),2)+WEEKNUM(TODAY())*7),"MMMM")," ",TEXT(MIN(DATE(TEXT(TODAY(),"yyyy")+1,1,0),DATE(TEXT(TODAY(),"yyyy"),1,1)-WEEKDAY(DATE(TEXT(TODAY(),"yyyy"),1,1),2)+WEEKNUM(TODAY())*7),"DD"),", ",TEXT(MIN(DATE(TEXT(TODAY(),"yyyy")+1,1,0),DATE(TEXT(TODAY(),"yyyy"),1,1)-WEEKDAY(DATE(TEXT(TODAY(),"yyyy"),1,1),2)+WEEKNUM(TODAY())*7),"YYYY"))
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seld
seld
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Date(2017;1;7 * weeknumer - 5) 5 monday, 4 tuesday... :)
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Katy
Katy     seld
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Or to make in not specific to the year 2017...
=DATE(YEAR,1,7 * WEEKNUM - WEEKDAY(DATE(YEAR,1,7) - 2))

2 monday, 3 tuesday,...
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Lynnwood
Lynnwood
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I'm sorry folks, but I could neither understand nor make work any of the formulas above so I finally figured out the following solution: DATE(B1,1,1)+($A4×7)−(6−(7−WEEKDAY(DATE(B1,1,1),first-day))) The first part "DATE(B1,1,1)+(B2×7)" simply takes January 1 of the year and adds the number of weeks. The next part calculates how many days to subtract from the WEEKDAY of January 1 to get the first day of the week. This is what I finally figured out: 6−(7−WEEKDAY(DATE(B1,1,1),first-day)) If, for example, January 1 falls on a Sunday (day 7), then this formula become "6-(7-7)" or simply 6 - which is the number of days you need to subtract to get Monday of that week. Try other days. Finally, if you want to find any other day of the week, just add the WEEKDAY number minus 1 to this result. So the last day of the week (Sunday) is: DATE(B1,1,1)+($A4×7)−(6−(7−WEEKDAY(DATE(B1,1,1),first-day)))+(7−1) Which can be simplified to: DATE(B1,1,1)+($A4×7)−(12−(7−WEEKDAY(DATE(B1,1,1),first-day))) Wednesday would be: DATE(B1,1,1)+($A4×7)−(8−(7−WEEKDAY(DATE(B1,1,1),first-day))) etc. I hope this helps someone else who needs this both with a workable solution along with a bit of understanding of how it was arrived at!
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