In looking at Harry Potter and the Philosopher's Stone, Chapter 9 (The Midnight Duel), it states that "at three thirty that afternoon", the flying lesson took place. At the same time, Charms must start for the fifth year students in Gryffindor, as before the end of the lesson, Oliver is given permission by Flitwick to leave. That gives us an insight as to when a lesson at Hogwarts starts, and it is most likely the last one of the day.
- I am a bit wary of trying to cross student years to set periods, largely because of Ron's sixth year "free period, DADA, free period, lunch" schedule. It's possible that the number and duration of periods might be different for first years than for fifth years in 1991-1992. For now, I would add a note after the table about Oliver's whereabouts on Thursday afternoon for now and as we gather more examples we can see how best to structure the info (adding into table, separate table, etc). Nice catch! --Ironyak1 (talk) 22:56, June 2, 2017 (UTC)
- Yes, I thought of that after I made the post. I also thought there was a chance that Charms might have started earlier, and might be a double so it is best to leave the timetable. I will add the note about Oliver and then keep searching the books for more examples. -- Kates39 (talk) 23:18, June 2, 2017 (UTC)