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Anonymous
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## Day number of year

Trying to find the syntax for to return a numer out of 1-365 for what number of day in year it is vs just knowing the number in the month

1 ACCEPTED SOLUTION
Microsoft

@Anonymous

You can also add a calcualted column in DAX.

```DayNoOfYear =
DATEDIFF ( DATE ( YEAR ( 'Table'[Date] ), 1, 1 ), 'Table'[Date], DAY ) + 1```

8 REPLIES 8
New Member

Not seeing Date.Dayofyear coming up in any function within BI

Just use DAX

Helper I

Just an additional application: I need to create a day number for a harvest year from 1-Jul till 30-Jun. Using solution from this query I did the following:

``````HarvYearDay = IF(
MONTH( DateTable[Date] ) > 6,
DATEDIFF( DATE ( YEAR ( DateTable[Date] ), 7, 1 ), DateTable[Date], DAY ) + 1,
DATEDIFF( DATE ( YEAR ( DateTable[Date] ), 1, 1 ), DateTable[Date], DAY ) + 185
)``````

This is just to share if someone needs to do the same.

Solution Sage

Check out the Date.DayOfYear formula. You would use this in the query editor to add a new column, either as a custom column using the formula, or the simple way through the UI: select your date column, then to go the Add Column tab in the ribbon and use the drop-down on Date to select Day > Day of Year.

Microsoft

@Anonymous

You can also add a calcualted column in DAX.

```DayNoOfYear =
DATEDIFF ( DATE ( YEAR ( 'Table'[Date] ), 1, 1 ), 'Table'[Date], DAY ) + 1```

Helper I

Hello,

I was able to use this solution to calculate the day number of the year. I was wondering if anybody had any ideas on how to calculate this for a fiscal year and account for the leap year?

My organizations fiscal year starts in October. I was able to use the DAX formula below to calculate the fiscal day number of the year but when leap years occur the formula does not calculate correctly.

FiscalDayoftheYear = IF('Date'[DayofhtheYear]>273,'Date'[DayofhtheYear]-273,'Date'[DayofhtheYear]+92)

If anyone has any ideas that would be great! Thanks!

Anonymous
Not applicable

Did you ever digure it out? Got the same problem.

Regular Visitor

I have to calculate Day number of Quarter and Day number of Month help me please.

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