---
title: isNegativeInfinity
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmtime/isnegativeinfinity
---

# isNegativeInfinity

A Boolean value that indicates whether a time represents negative infinity.

## Declaration

```swift
var isNegativeInfinity: Bool { get }
```

## See Also

### Inspecting a Time

- [seconds](coremedia/cmtime/seconds.md)
- [hasBeenRounded](coremedia/cmtime/hasbeenrounded.md)
- [isValid](coremedia/cmtime/isvalid.md)
- [isNumeric](coremedia/cmtime/isnumeric.md)
- [isIndefinite](coremedia/cmtime/isindefinite.md)
- [isPositiveInfinity](coremedia/cmtime/ispositiveinfinity.md)