DAYSINYEAR - Anaplan Technical Documentation

The DAYSINYEAR function returns the number of days in a year you specify.

For example, you can use DAYSINYEAR to check if a year contains 365 or 366 days and plan accordingly.

Syntax

DAYINYEAR(Year)

Argument	Data type	Description
Year	Number	The year to determine the number of days within.

The DAYSINYEAR function returns a numeric result.

DAYSINYEAR(2024)

This example returns the number of days in the year 2024. This is 366 days, as 2024 is a leap year.

The DAYSINYEAR function returns a value of zero for any values outside of the date range of 01/01/1900-12/31/2399.

Formula	Description	Result
`DAYSINYEAR(2020)`	Returns the number of days in the year 2020.	366
`DAYSINYEAR(2021)`	Returns the number of days in the year 2021.	365
`DAYSINYEAR(2022)`	Returns the number of days in the year 2022.	365
`DAYSINYEAR(2023)`	Returns the number of days in the year 2023.	365
`DAYSINYEAR(2024)`	Returns the number of days in the year 2024.	366