---
title: startTimeOffset
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcaptionconversiontimerangeadjustment/starttimeoffset
---

# startTimeOffset

The time value by which the system offsets the start times of captions to correct a problem.

## Declaration

```swift
var startTimeOffset: CMTime { get }
```

## Discussion

Discussion The value may any numeric value, positive, negative, or zero.

## See Also

### Accessing time offsets

- [durationOffset](avfoundation/avcaptionconversiontimerangeadjustment/durationoffset.md)