---
title: NSUndefinedDateComponent
framework: foundation
role: symbol
role_heading: Global Variable
path: foundation/nsundefineddatecomponent
---

# NSUndefinedDateComponent

Specifies a date component without a value.

## Declaration

```swift
var NSUndefinedDateComponent: Int { get }
```

## See Also

### Constants

- [NSDateComponentUndefined](foundation/nsdatecomponentundefined.md)