YEARDAY Function

Returns a number representing the day in the year, 1–365, where 1 is the first day of the year
Sample usage
YEARDAY([Due Date]5)

Syntax

YEARDAY(date)
  • date
    The date from which you want to return the day as a number
Usage notes

For leap years, YEARDAY returns a number between 1366.

Examples

This example references the following sheet information:

 Clothing ItemUnits SoldSold DateOrder DateShip Date
1T-Shirt7802/12/23 1:55 PM02/12/2302/15/23
2Pants4202/15/23 10:23 AM02/15/2303/20/23
3Jacket21702/20/23 2:45 PM02/20/2302/27/23

Based on the table above, here are some examples of using YEARDAY in a sheet:

FormulaDescriptionResult
=YEARDAY([Ship Date]1)Returns the number of days in to the year for the date from row 1 of the Ship Date column.46
=IF(YEARDAY([Ship Date]2) < 182, "First Half of Year", "Second Half of Year")Returns the string First Half of Year if the number of days in the year for the date from row 2 of the Ship Date column is less than 182. Otherwise, the function returns Second Half of Year. First Half of Year
=ROUND([Units Sold]3 / YEARDAY([Order Date]3), 2) + “Avg jackets units sold each day”Divides the value in row 3 of the Units Sold column by the number of days in the year for row 2 of the Ship Date column, returns the rounded result, and adds the string Avg Jacket units sold each day (with a space and period) to the end.4.25 Avg Jacket units sold each day.

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