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# dateTimeSeparator(_:)

Sets the character that specifies the date and time components.

```
func dateTimeSeparator(_ separator: Date.ISO8601FormatStyle.DateTimeSeparator) -> Date.ISO8601FormatStyle
```

## Parameters

`separator`

Possible values are `space` and `standard`.

## Return Value

An ISO 8601 date format style with the provided date and time component separator.

## Discussion

Possible values of [`Date.ISO8601FormatStyle.DateTimeSeparator`](/documentation/Foundation/Date/ISO8601FormatStyle/DateTimeSeparator-swift.enum) are [`Date.ISO8601FormatStyle.DateTimeSeparator.space`](/documentation/Foundation/Date/ISO8601FormatStyle/DateTimeSeparator-swift.enum/space) and [`Date.ISO8601FormatStyle.DateTimeSeparator.standard`](/documentation/Foundation/Date/ISO8601FormatStyle/DateTimeSeparator-swift.enum/standard).

The following example shows a variety of [`Date.ISO8601FormatStyle.DateTimeSeparator`](/documentation/Foundation/Date/ISO8601FormatStyle/DateTimeSeparator-swift.enum) formats applied to an ISO 8601 date format.

```swift
let meetingDate = Date() // Jun 23, 2021 at 10:21 AM
meetingDate.formatted(.iso8601.dateSeparator(.omitted)) // 20210623 152135Z
meetingDate.formatted(.iso8601.dateSeparator(.dash)) // 20210623T152135Z
meetingDate.formatted(.iso8601) // 20210623T152135Z
```

If no format is specified as a parameter, the [`Date.ISO8601FormatStyle.DateTimeSeparator.standard`](/documentation/Foundation/Date/ISO8601FormatStyle/DateTimeSeparator-swift.enum/standard) case is the default format.

For more information about ISO 8601 formatted dates, see the [`Date.ISO8601FormatStyle`](/documentation/Foundation/Date/ISO8601FormatStyle).

---

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