---
title: "init(dateSeparator:dateTimeSeparator:timeZone:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/date/iso8601formatstyle/init(dateseparator:datetimeseparator:timezone:)"
---

# init(dateSeparator:dateTimeSeparator:timeZone:)

Creates an instance using the provided date separator, date and time components separator, and time zone.

## Declaration

```swift
init(dateSeparator: Date.ISO8601FormatStyle.DateSeparator = .dash, dateTimeSeparator: Date.ISO8601FormatStyle.DateTimeSeparator = .standard, timeZone: TimeZone = TimeZone(secondsFromGMT: 0)!)
```

## Parameters

- `dateSeparator`: The separator character used between the year, month, and day.
- `dateTimeSeparator`: The separator character used between the date and time components.
- `timeZone`: The doc://com.apple.foundation/documentation/Foundation/TimeZone used to create the string representation of the date.

## Discussion

Discussion Possible values of dateSeparator are dash and omitted. Omitted is the default. Possible values of dateTimeSeparator are space and standard. Standard is the default. The following example shows the initizializer called with a variety of input parameters. let aDate = Date() print(aDate) // 2021-06-22 17:21:32 +0000 print(aDate.formatted(Date.ISO8601FormatStyle(dateSeparator: .omitted, dateTimeSeparator: .standard))) // 20210622T172132Z

let cstDate = Date() if let centralStandardTimeZone = TimeZone(identifier: "CST") {    print(cstDate.formatted(Date.ISO8601FormatStyle(dateSeparator: .dash, dateTimeSeparator: .space, timeZone: centralStandardTimeZone))) } // 2021-06-22 122132-0500