How to make a reminder for each id on a specific day and time?

Question

Python

How can I make it so that a message is sent on a certain day and time for a certain id

Answer 1

For Linux servers, crontab runs periodically any command (at least every minute, at least at the specified time once a week/month) - any configurations, any commands.

Answer 2

You can do it this way, but there are easier options.
The user sends a message by type: Wedding 10/10/2019 10:10 AM
Next, we write it down where it is convenient for you and do checks, a good option that I myself used this shedule.