Scheduled emails

When I used to host with Godaddy, they had a feature whereby you could
type an email and send it at a specific date and time - great for me to
send birthday wishes to people so I don't forget!
Now I am with Bluehost and they use CPanel but I don't see any feature
like that.
Is this something that can be accomplished in PHP? I am *very* new to
PHP so am newer than a newbie so hope someone can help.
Thanks


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