# compareStartDate(with:) Compares the start date of the receiving event with the start date of another event. ``` func compareStartDate(with other: EKEvent) -> ComparisonResult ``` ## Parameters `other` The event to compare against. ## Return Value Returns if the start date of the receiver precedes the start date of `other`. Returns if the start dates of the two events are identical. Returns if the start date of the receiver comes after the start date of `other`. ## Discussion You can pass the selector for this method to the NSArray method to create an array of events sorted by start date. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)