---
title: startDate
framework: datadetection
role: symbol
role_heading: Instance Property
path: datadetection/datadetector/match/semanticdetails/calendarevent/startdate
---

# startDate

An optional date that may contain the start date of the event.

## Declaration

```swift
let startDate: Date?
```

## See Also

### Calendar event properties

- [allDay](datadetection/datadetector/match/semanticdetails/calendarevent/allday.md)
- [endDate](datadetection/datadetector/match/semanticdetails/calendarevent/enddate.md)
- [startTimeZone](datadetection/datadetector/match/semanticdetails/calendarevent/starttimezone.md)
- [endTimeZone](datadetection/datadetector/match/semanticdetails/calendarevent/endtimezone.md)