experimental.subDuration() function
experimental.subDuration() is subject to change at any time.
experimental.subDuration() subtracts a duration from a time value and returns the resulting time value.
Deprecated
experimental.subDuration() is deprecated in favor of date.sub().
Function type signature
(d: duration, from: A, ?location: {zone: string, offset: duration}) => time where A: Timeable
For more information, see Function type signatures.
Parameters
from
(Required) Time to subtract the duration from.
Use an absolute time or a relative duration.
Durations are relative to now().
d
(Required) Duration to subtract.
location
Location to use for the time value.
Examples
- Subtract six hours from a timestamp
- Subtract six hours from a relative duration
- Subtract two days from one hour ago
Subtract six hours from a timestamp
import "experimental"
experimental.subDuration(from: 2019-09-16T12:00:00Z, d: 6h)// Returns 2019-09-16T06:00:00.000000000Z
Subtract six hours from a relative duration
import "experimental"
option now = () => 2022-01-01T12:00:00Z
experimental.subDuration(d: 6h, from: -3h)// Returns 2022-01-01T03:00:00.000000000Z
Subtract two days from one hour ago
A time may be represented as either an explicit timestamp
or as a relative time from the current now time. subDuration can
support either type of value.
import "experimental"
option now = () => 2021-12-10T16:27:40Z
experimental.subDuration(from: -1h, d: 2d)// Returns 2021-12-08T15:27:40Z
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