getUntil()function

getUntil(target: PossibleDate, current: PossibleDate = "now", caller: AnyCaller = getUntil): DurationData

Param	Type
`target`	`PossibleDate`	Date the duration counts up to. required
`current`	`PossibleDate`	Date the duration counts from (defaults to now). Defaults to `"now"`
`caller`	`AnyCaller`	Function to attribute a thrown error to (defaults to `getUntil` itself). Defaults to `getUntil`

Return
`DurationData`	`DurationData` object for the span from `current` to `target`.

Throws
`RequiredError`	If `target` or `current` cannot be converted to a valid date.

Get the various time units until a certain date.