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



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

Data type: Time | Duration


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

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