Oscarr, you should have real dates in your data.
I notices some strange entries:
View attachment 66641
Excel formula I used here: =0+(F2&"/"&LEFT(E2,3)&"/"&D2).
Please have a read on time intelligence in DAX:
Hi - I am having trouble with comparing date peiods and I really need direction. Please see my statement below. ShpdLast30 = CALCULATE (sum(InvoiceDetail[QtyShpd]), PREVIOUSMONTH(Dates[Date])) I don't understand the role of the Dates table & how the PREVIOUSMONTH function knows what...
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Learn more about: PREVIOUSMONTH
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You should have a calendar table in your model too.