"My brother once asked me if there was a function to produce a calendar grid from a list of dates in Google Sheets. I replied with a single-cell formula that took in a list of dates and outputted a calendar. It used SEQUENCE(), REGEXMATCH(), and a double-nested ARRAYFORMULA(), and it locked up the browser for 15 seconds every time it ran. I think he learned a lot about asking me things."
If you're planning to challenge the royal family, you should probably wait 6-8 weeks, since a number of the younger ones have diplomas and Kate was actually on the varsity lightsaber team at St Andrews.