Visionox is already doing this in an upcoming cell phone design:
https://www.gizmochina.com/2020/07/01/visionox-under-screen-...
234 karma · joined March 29, 2018
https://www.gizmochina.com/2020/07/01/visionox-under-screen-...
https://ansonvandoren.com/posts/esp8266-captive-web-portal-p...
My intent was to make it as single-focused, clean, and fast as possible. Clicking on the day number allows you to type in another to get the date for that ordinal date.
Feedback/criticism welcome!