How to use Send Later in Messages on iPhone or iPad | Apple Support
Starting in iOS 18, iPadOS 18, and macOS Sequoia, you can schedule a message in an iMessage conversation to send later so you can wish a friend or family member a happy birthday or good luck for an interview, exactly when you’d like to say it.
To learn more about this topic, visit the following article:
Schedule a message on iPhone to send later: https://apple.co/3ZqIn1P
Additional Resources:
Get Support for iPhone: http://apple.co/iPhone
To subscribe to this channel: / applesupport
To download the Apple Support app: http://apple.co/2hFtzIv
Apple Support on X: https://x.com/AppleSupport
To check coverage directly on your device: https://coverage.apple.com/ac4N1XV