I understand that. But why rely on “Todays events”? The “Upcoming events” block is to designed better for that, to give you advanced notice – not just today. Surely easier to make a habit of logging in to your site at least (say) once every week. Take a note of things like your nieces birthday and then use a tool like “Outlook” or whatever mail software you prefer to do what it does best.
You can even (in Outlook) prepare an email to be sent on a specified date/time. So much more powerful than anything any family history software could do.
I’m a great believer in using the right tool for the job.