Dataverse calculated column to extract the year from date

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Posted on by WebPortal

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This seems the easiest thing in the world: a calculated column in dataverse like;

Year(MyDate)

But it returns the error:

Year cannot be performed on this input without a time zone conversion, which is not supported in formula columns.

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Mark Nanneman 991 Super User 2025 Season 2 on at

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I never found a way to accomplish this when I wanted to months ago--but there were other ways to do what I wanted that didn't even require the column. If you absolutely must have a year column, you can create a plugin or flow to auto populate it off of your date column when the record is created or updated (to handle new records going forward)--and you can retroactively bulk populate your year column by doing an export to excel, using some quick excel formulas to fill in that column, and then importing the whole table back into dataverse for updates.

Just some thoughts.

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ronaldwalcott 3,847 Super User 2025 Season 2 on at

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Year function only works on UTC dates

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WebPortal 2,295 on at

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@Mark Nanneman

Sure, I have the year in Power Fx and I use it to filter a large Dataverse table.

The issue is delegation. Thus, having the year on a column would help.

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truc binh 17 on at

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You can change field MyDate to Date Only or Timezone Independent. Then you can apply the Year function in Formula column

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WebPortal 2,295 on at

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@truc binh

Thanks, but how may I do that?

Here are the column specifications:

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Mark Nanneman 991 Super User 2025 Season 2 on at

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There's at least one option that works on large data sources with no delegation issues.

I have a demo I can share that uses a gallery of years to work like pages or filter selections. It's created just using a simple sequence() function.

Years Gallery:

Formula for the dataverse gallery you want to filter by year:

With(

{

startDate: DateTimeValue(Text(Date(gal_years_filter.Selected.Value,1,1),DateTimeFormat.UTC)),

stopDate: DateTimeValue(Text(Date(gal_years_filter.Selected.Value,12,31),DateTimeFormat.UTC))

},

Sort(

Search(

Filter(

'Large Date Tables',

'Long Date' >= startDate And 'Long Date' <= stopDate

),

txt_search.Value,

Name

),

'Long Date',

SortOrder.Descending

)

)

I've done versions of these where you can select multiple years from from your year gallery and it just finds the max and min from that collection to generate the start and stop filter dates.

Example of the filtering:

works very quickly,almost instant

If this helped you, please click "Does this answer your question" and give it a like to help others in the community (+ close the ticket)!

Power Platform Developer | LinkedIn: Mark Nanneman | Blog: Power Stuff | YouTube: Mark's Power Stuff |

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ronaldwalcott 3,847 Super User 2025 Season 2 on at

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If you are forced to here is a weird way to do it.

Add a new datetime column TestDateConstant which will default to January 1st 1900.

The date that I want to extract the year from is called TestDate

Create a formula field

Text(DateDiff(TestDateConstant, TestDate, TimeUnit.Years) + 1900, "####")

This gives you a text field with the year

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truc binh 17 on at

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Hi @WebPortal,

You can set in the box related to timezone below.

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