date.yearDay() function

The date.yearDay() function returns the day of the year for a specified time. Results include leap days and range from [1-366].

*Function type: Transformation*

import "date"
date.yearDay(t: 2019-07-17T12:05:21.012Z)
// Returns 198

Parameters

t

The time to operate on. Use an absolute time, relative duration, or integer. Durations are relative to now().

*Data type: Time | Duration*

Examples

Return the day of the year for a time value

import "date"
date.yearDay(t: 2020-02-11T12:21:03.293534940Z)
// Returns 42

Return the day of the year for a relative duration

import "date"
option now = () => 2020-02-11T12:21:03.293534940Z
date.yearDay(t: -1mo)
// Returns 11