# endOf()

Returns a date that is the end of a unit of time for the given date.

## Signature

`endOf(string | number | Date date, string unit)`

## Parameters

***date*:** Type: `string | number | Date`. A datetime string in ISO8601 format, or a timestamp in milliseconds, or a `Date` object.

***unit*:** Type: `string`. A datetime unit. Options are 'year', 'month', 'week', 'day', 'hour', 'minute', or 'second'.

## Returns

**Type: `Date`** A JavaScript `Date` object. If a unit is not provided, returns a parsed date.

## Sample Code

```javascript
var date = new Date();
// Returns the time at the end of the day
// in the format "Fri Oct 09 2015 23:59:59 GMT-0700 (PDT)"
var day = $A.localizationService.endOf(date, 'day');
```