docs-v2/content/flux/v0.x/stdlib/date/monthday.md

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date.monthDay() function The `date.monthDay()` function returns the day of the month for a specified time. Results range from `[1-31]`.
/influxdb/v2.0/reference/flux/functions/date/monthday/
/influxdb/v2.0/reference/flux/stdlib/date/monthday/
/influxdb/cloud/reference/flux/stdlib/date/monthday/
flux_0_x_ref
name parent
date.monthDay date
301 0.37.0

The date.monthDay() function returns the day of the month for a specified time. Results range from [1-31].

import "date"

date.monthDay(t: 2019-07-17T12:05:21.012Z)

// Returns 17

Parameters

t

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

Examples

Return the day of the month for a time value
import "date"

date.monthDay(t: 2020-02-11T12:21:03.293534940Z)

// Returns 11
Return the day of the month for a relative duration
import "date"

option now = () => 2020-02-11T12:21:03.293534940Z

date.monthDay(t: -8d)

// Returns 3