Google has started testing the SMS scheduling feature on its Messages app, which allows you to send an SMS automatically later. The way it works is, you draft a message and long-press the 'Send' button in a chat, which gives you four options - three of them are predefined timings, and the fourth one lets you choose a date and time of your preference. You can choose a predefined time or select a date and time of your preference A preview of the scheduled message appears in the chat, and you can tap on it to make any changes to the message, send it immediately, or delete...
Source: https://www.gsmarena.com/google_messages_sms_scheduling-news-46135.php
