Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

Prepping for a Fabric certification exam? Join us for a live prep session with exam experts to learn how to pass the exam. Register now.

Reply
yodha
Helper IV
Helper IV

How to create Date column using M language

Hi,

I have a Data Source that contains YEAR, MONTH columns but there is no DAY column.

Capture 1.PNG

I wanted to create a DATE column using Query Editor/M language:

1. Add new column

2.Populate it with Dates by using 1 as DAY for all the rows in the table.

 

End result Should be like : 2018/1/1 (Year/Month/Day)

 

Any help on this much appreciated, thanks in advance !

 

1 ACCEPTED SOLUTION
Mariusz
Community Champion
Community Champion

Hi @yodha 

 

Please see the below.

image.png

 

Best Regards,
Mariusz

If this post helps, then please consider Accepting it as the solution.

Please feel free to connect with me.
LinkedIn

 

View solution in original post

5 REPLIES 5
JoseAndres
Frequent Visitor

Thanks

Anonymous
Not applicable

Hi everyone,

I do have the same problem but face further issues here.

Following your instructions, my output still shows an "Error".

 

= Table.AddColumn(AddCol_Day, "Date", each #date( [Year], [Month],1))

 

Columns Year and Month are formatted as Int64.Type.

Any hints?

amitchandak
Super User
Super User

@yodha , refer if this can help

https://radacad.com/create-a-date-dimension-in-power-bi-in-4-steps-step-1-calendar-columns

Full Power BI Video 20 Hours YouTube
Microsoft Fabric Series 60+ Videos YouTube
Microsoft Fabric Hindi End to End YouTube
Mariusz
Community Champion
Community Champion

Hi @yodha 

 

Please see the below.

image.png

 

Best Regards,
Mariusz

If this post helps, then please consider Accepting it as the solution.

Please feel free to connect with me.
LinkedIn

 

Anonymous
Not applicable

Thank you so much!

Helpful resources

Announcements
May PBI 25 Carousel

Power BI Monthly Update - May 2025

Check out the May 2025 Power BI update to learn about new features.

Notebook Gallery Carousel1

NEW! Community Notebooks Gallery

Explore and share Fabric Notebooks to boost Power BI insights in the new community notebooks gallery.

May 2025 Monthly Update

Fabric Community Update - May 2025

Find out what's new and trending in the Fabric community.