---
title: Time
framework: coremedia
role: collectionGroup
role_heading: API Collection
path: coremedia/cmtime-time
---

# Time

Defined time values.

## Topics

### Defined Times

- [invalid](coremedia/cmtime/invalid.md)
- [indefinite](coremedia/cmtime/indefinite.md)
- [positiveInfinity](coremedia/cmtime/positiveinfinity.md)
- [negativeInfinity](coremedia/cmtime/negativeinfinity.md)
- [zero](coremedia/cmtime/zero.md)

## See Also

### Constants

- [Timescale](coremedia/cmtime-timescale.md)
- [Dictionary Keys](coremedia/cmtime-dictionary-keys.md)