# DATE Function DAX

DATE is a power bi Date and Time Function which returns the date in specified datetime format.

SYNTAX

`DATE(<year>, <month>, <day>)`

<year> is a four digit integer number, represent year.

Date beginning with 1st march 1900 is supported, so in case if the **year** value is between 0 and 1899, the value is added to 1900 to produce the date.

If value of year is 2 then 1900 will be added to 2, the final year will be returned 2 + 1900 = 1902.

Returns an error , if values greater than 9999 or less than zero (negative values).

<month> is a two digit integer number, represent a month.

If month is any number between 1 to 12, then it represents a month of the year like value 1, represents January, 2 represents February, and so on until 12 that represents December.

In case, if value for month is greater than 12 , then the date is calculated by adding the value of month to the year **i.e, **For Date(2020,13,01) , the value of month is 13 as in second argument, it returns a datetime value that is 1st January 2021 because 13 months are added to the beginning of 2020.

In similar way, if a negative month value is passed to Date function i.e, DATE(2020, -10, 03), it returns 3rd February 2019, because 10 months are subtracted from the beginning of 2020.

<day> is a two digit integer number, represent a day.

If any value for a day that is larger than the last day of given month,i.e DATE(2020, 12, 33) returns a datetime value = 2nd Jan 2021 because 33 days are added to the beginning of December 2020.

In a similar way , for negative day value, ie DATE(2020,12,-3 ) returns a datetime value = 27th November 2020, because 3 days are subtracted from the beginning of December 2020.

Lets go through an example to see DATE Function in action.

#### Following DAX returns a simple date

`GetDate = DATE(2020, 12, 1)`

It returns a datetime value as

#### If Year value is less than 1900

Lets see the output of following DAX ,for year value 13 which is less than 1900.

`GetDate_YearLessthan1900 = DATE(13, 12, 1)`

#### IF year is greater than 9999 or less than 0

**If a value for year is greater than 9999**, lets say when value of year is 10000 than Date function gives an error as shown.

`GetDate_YearGreaterThan9999 = DATE(10000, 2, 3)`

**IF a value for Year is less than 0 (negative),** then Date function gives an following error.

`GetDate_NegativeYear = DATE(-1989, 2, 3)`

#### IF a value for Month is greater than 12

`GetDate_DayGreaterthan12 = DATE(2020, 13, 1)`

#### If a value for Month is Negative

`GetDate_NegativeMonth = DATE(2020, -10, 3)`

#### A value for a day is greater than the last day of given month

`GetDate_DayValueIsGreaterThanLastDayOfMonth = DATE(2020, 12, 33)`

#### A value for a day is Negative

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