---
schema_version: "1"
id: bb1ea4aa240899ab9a07faf16bdc22885c183d6edcd3e48d15fe4fe6c490b401
title: isTimeZoneType
collection: mulesoft
version: current
locale: en-us
portal_url: https://docs.salesforce.com/mulesoft/current/en-us/dataweave/latest/dw-types-functions-istimezonetype.md
canonical_url: https://docs.mulesoft.com/dataweave/latest/dw-types-functions-istimezonetype
source_site: docs.mulesoft.com
content_type: documentation
content_hash: e4e17970b746777fd21677e98a2429bf7420046024789a7f14320013d7805f11
description: MuleSoft Documentation Site
release: "2.13"
latest: true
---
---
product: DataWeave
version: 2.13
is-latest-version: true
---

# isTimeZoneType

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

## isTimeZoneType(t: Type): Boolean

Returns `true` if the input is the TimeZone type.

_Introduced in DataWeave version 2.3.0._

### Parameters

<table><colgroup><col> <col></colgroup><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr><td><p><code>t</code></p></td><td><p>The type to check.</p></td></tr></tbody></table>

### Example

This example shows how `isTimeZoneType` behaves with different inputs.

#### Source

```DataWeave
%dw 2.0
import * from dw::core::Types
type ATimeZone = TimeZone
output application/json
---
{
   a: isTimeZoneType(ATimeZone),
   b: isTimeZoneType(TimeZone),
   c: isTimeZoneType(String),
}
```

#### Output

```Json
{
  "a": true,
  "b": true,
  "c": false
}
```