A calendar for when you need to know what day of the week any date is on but don't want to leave Pico-8 for some reason
⬆️/⬇️ change year
⬅️/➡️ change month
❎/🅾️ change day
❎+🅾️ toggle day highlight
Allows years between -32767 and 32767 because why not?
Disclaimer: This is NOT a historically accurate calendar. This is a Proleptic Gregorian Calendar, a calendar which gives Gregorian dates to all days, including those before it was introduced on October 15th, 1582. Credit to @RealShadowCaster for pointing this out to me



