# parseDateTimeISO8601()

Parses a date time string in an ISO-8601 format and returns a JavaScript Date.

## Signature

`parseDateTimeISO8601(string dateTimeString)`

## Parameters

***dateTimeString*:** Type: `string`. A datetime string in ISO8601 format.

## Returns

**Type: `Date`** Returns a JavaScript `Date` object, or `null` if `dateTimeString` is invalid.