It’s time to wake up: An Emacs alarm clock

I’ve been using some variation of the same system for my alarm clock since at least 2011. Probably earlier — I didn’t have a blog before that, so who knows? As the saying goes: What hasn’t been blogged about is lost to the mysteries of time… (Here’s some music to play while reading this blog post (because of the “I feel like an alarm clock” lyrics)… This is gonna be one of those posts that require a lot of scrolling. You’ve been warned.) My alarm clock idea has been the same since the start, but with a varying assortment of components. A numpad to input the alarm… … and a screen/computer to display time and the alarm. (And the temperature. Brrr!) This particular hardware combination has been going since 2019. So I tap in the time I want to wake up (like 9) and then at 09:00 it turns on the stereo to play whatever was playing. I’m kinda proud of the interface; I’ve found nothing that is so easy to use in any commercial system. That is, if the alarm is at 09:00, I just type 9, and if…