---
title: NSDateComponentUndefined
framework: foundation
role: symbol
role_heading: Global Variable
path: foundation/nsdatecomponentundefined
---

# NSDateComponentUndefined

Specifies a date component without a value.

## Declaration

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

## See Also

### Constants

- [NSUndefinedDateComponent](foundation/nsundefineddatecomponent.md)