---
title: CMClock.StartTimePattern
framework: Core Media
role: symbol
role_heading: Structure
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+, watchOS 27.0+]
path: coremedia/cmclock/starttimepattern
---

# CMClock.StartTimePattern

## Declaration

```swift
struct StartTimePattern
```

## Topics

### Initializers

- [init(clockStartTime:hostClockStartTime:deltaBetweenPreferredStartTimes:)](coremedia/cmclock/starttimepattern/init(clockstarttime:hostclockstarttime:deltabetweenpreferredstarttimes:).md)

### Instance Properties

- [clockStartTime](coremedia/cmclock/starttimepattern/clockstarttime.md)
- [deltaBetweenPreferredStartTimes](coremedia/cmclock/starttimepattern/deltabetweenpreferredstarttimes.md)
- [hostClockStartTime](coremedia/cmclock/starttimepattern/hostclockstarttime.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)