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PutochFlag for Afghanistan

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Excel - Daily and Weekly and Monthly Tabs - Get Weekly and Monthly to calculate from Daily

Hi,
I have a Excel report, where i can add the detail into the Daily tab,
But ideally i would like to add a formual to the Monthly and Weeky tabs so that
the Weekly Tab will just sum up those daily entries that represent that week
and the Monthly tab will sum up the daily entries that represent that month.

Is this possible?

I don't mind having to copy and past the formula into the cell of the weekly or monthly for the whole week.
 I'm just not sure how can i predict for
The monthlies that it only looks at the entires on the daily tab for the monthlies.
and for teh weeklies that it only looks at those 7 entries on the daily tab for that week.

the example ive attached is very small. my actually file has many many rows and so each week i spend at least an hour updating the forumlas to correct this.

If anyone can please advise?
thank you,
e
Daily-weekly-Monthly-formulas-on.xlsx
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nutsch
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Weekly:
=SUM(OFFSET(Daily!$A3,0,MATCH(D$2,Daily!$2:$2,0)-7,1,7))

Monthly (in C2)
==SUMIFS(Daily!$B3:$V3,Daily!$B$2:$V$2,">="&C$1,Daily!$B$2:$V$2,"<"&DATE(YEAR(C$1),MONTH(C$1)+1,

But if you could put your daily sheet in a database format like the following, you could get all weekly, monthly, and any other analysis very easily from pivot tables:


Product      day                 Qty
Apples        1/13/12         150
Apples         1/14/12         264
Bananas       2/1/12         450
Apples         1/15/12         781
etc.
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ASKER

Thank you for the reply.
I'm trying to understand your logic here. When i add that formula its giving me some funny results for example
Week 28 should be  showing me daily totals from (Mon 28th to Sun 3rd)
apples :28
bananas:28

but instead its showing me the daily totals from Tuesday 22 - Monday 28th  

I think there is something missing on teh monthly formula.
Sorry i am trying to follow the formula and im not great with excel formulas.

thank you.
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nutsch
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ASKER

Thank you both.
From NB_VC's comment, i can see what is happening here on the weekly formual. and i can see why i couldn't get the correct figures using nutsch's formula.

it was because nutsch's weekly formula referenced Cell D2, instead of B2 to get the start of the perticular week.
=SUMIFS(Daily!$B3:$V3,Daily!$B$2:$V$2,">"&D$2-7,Daily!$B$2:$V$2,"<="&D$2)

I am going to split the points between both of you. Thank you so much for your help on this.