Playing with Excel function, Power Query M and FET (An Open Source Timetable Generator)
Original work created by LittleDinghy on reddit: https://www.reddit.com/r/HPfanfiction/comments/b93g9f/harry_potter_and_the_hogwarts_class_schedules_a/
Modified by Arcfej (me)
An open source program called FET ( https://lalescu.ro/liviu/fet/ ) was used to generate the timetables based on the concepts displayed on this sheet.