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Kavyachaganti
Regular Visitor

Find last business day of month in power query

Hi All,

Requirement1: 

Source team is generating price files on daily basis to the shared path. My requirement is to get only last business day of each month file in to Power Query & other files to be excluded. If last working of month is holiday then before day file to be selected.

Below highlighted file only to be selected for month of March.

Kavyachaganti_0-1682681398284.png

In below example last working day is holiday so prior date file to be selected.

Kavyachaganti_1-1682681578289.png

Requirement2:

Also prices of current month should fetch from previous month file. Each file is storing data of forward prices.

 

Some one of you please help me with this requirement in Power Query.

 

Thanks in Advance.

 

1 ACCEPTED SOLUTION
ThxAlot
Super User
Super User

Last Workday.xlsx

Last Workday.pbix

 

 

 

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMjLXNzDSNzIwMlbSUYpUitUBCllgCBnqGxijKcIUscAUssQQMjbAFEI23Q9mnwmGfWgixqgisQA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Date = _t, Workday = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Date", type date}, {"Workday", type text}}),
    #"Last Workday of Last Month" = let rs = Table.ToRecords(#"Changed Type") in Table.AddColumn(#"Changed Type", "LWLM", (r) => List.Last(List.Select(rs, each Date.EndOfMonth([Date])=Date.StartOfMonth(r[Date])-#duration(1,0,0,0) and [Workday]="Y"))[Date]?)
in
    #"Last Workday of Last Month"

 

 

 

ThxAlot_0-1682687152939.png

 

ThxAlot_3-1682688933234.png

 

 

A showcase of powerful Excel worksheet formulas,

 

 

 

=IFERROR(MAX(FILTER([Date];(EOMONTH([Date]+0;0)=EOMONTH([@Date];-1))*([Workday]="Y")));"")

 

 

 

ThxAlot_2-1682688163295.png



Expertise = List.Accumulate(


        {Days as from Today},


        {Skills and Knowledge},


        (Current, Everyday) => Current & Day.LeanAndPractise(Everyday)


)



View solution in original post

2 REPLIES 2
ThxAlot
Super User
Super User

Last Workday.xlsx

Last Workday.pbix

 

 

 

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMjLXNzDSNzIwMlbSUYpUitUBCllgCBnqGxijKcIUscAUssQQMjbAFEI23Q9mnwmGfWgixqgisQA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Date = _t, Workday = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Date", type date}, {"Workday", type text}}),
    #"Last Workday of Last Month" = let rs = Table.ToRecords(#"Changed Type") in Table.AddColumn(#"Changed Type", "LWLM", (r) => List.Last(List.Select(rs, each Date.EndOfMonth([Date])=Date.StartOfMonth(r[Date])-#duration(1,0,0,0) and [Workday]="Y"))[Date]?)
in
    #"Last Workday of Last Month"

 

 

 

ThxAlot_0-1682687152939.png

 

ThxAlot_3-1682688933234.png

 

 

A showcase of powerful Excel worksheet formulas,

 

 

 

=IFERROR(MAX(FILTER([Date];(EOMONTH([Date]+0;0)=EOMONTH([@Date];-1))*([Workday]="Y")));"")

 

 

 

ThxAlot_2-1682688163295.png



Expertise = List.Accumulate(


        {Days as from Today},


        {Skills and Knowledge},


        (Current, Everyday) => Current & Day.LeanAndPractise(Everyday)


)



Mahesh0016
Super User
Super User

@Kavyachaganti please Try to this Date.EndOfMonth([Datemodify]) in using custom column.


@Kavyachaganti If this post helps, then please consider Accept it as the solution to help the other members find it more quickly. 

 

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