---
title: "timeZone(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/date/formatstyle/timezone(_:)"
---

# timeZone(_:)

Modifies the date format style to use the specified time zone format style.

## Declaration

```swift
func timeZone(_ format: Date.FormatStyle.Symbol.TimeZone = .specificName(.short)) -> Date.FormatStyle
```

## Parameters

- `format`: The time zone format style applied to the date format style.

## Return Value

Return Value A date format style modified to include the specified time zone format style.

## Discussion

Discussion Values of Date.FormatStyle.Symbol.TimeZone are exemplarLocation and genericLocation. Static methods that return Date.FormatStyle.Symbol.TimeZone objects include genericName(_:), identifier(_:),  iso8601(_:), localizedGMT(_:), and specificName(_:).

## See Also

### Specifying the Time Format

- [hour(_:)](foundation/date/formatstyle/hour(_:).md)
- [minute(_:)](foundation/date/formatstyle/minute(_:).md)
- [second(_:)](foundation/date/formatstyle/second(_:).md)
- [secondFraction(_:)](foundation/date/formatstyle/secondfraction(_:).md)
- [Date.FormatStyle.TimeStyle](foundation/date/formatstyle/timestyle.md)