docs-v2/content/influxdb/cloud/reference/flux/stdlib/experimental/subduration.md

title	description	menu	weight	related
experimental.subDuration() function	The `experimental.subDuration()` function subtracts a duration from a time value and returns a the resulting time value.	influxdb_cloud_ref name parent experimental.subDuration Experimental	302	/influxdb/cloud/reference/flux/stdlib/experimental/addduration/

The experimental.subDuration() function subtracts a duration from a time value and returns the resulting time value.

Function type: Transformation

{{% warn %}} This function will be removed once duration vectors are implemented. See influxdata/flux#413. {{% /warn %}}

import "experimental"

experimental.subDuration(
  d: 12h,
  from: now(),
)

Parameters

d

The duration to subtract.

Data type: Duration

from

The time to subtract the duration from.

Data type: Time

Examples

Subtract six hours from a timestamp

import "experimental"

experimental.subDuration(
  d: 6h,
  from: 2019-09-16T12:00:00Z,
)

// Returns 2019-09-16T06:00:00.000000000Z