No matter how you look at it, it should be fine. Harry Potter as a series which I imagine you could consider your story is huge and looking at the bigger stories on here and especially royal road they can easily go over a million words.
Just a thought but you used the theme of time quite a lot. Why not try using another time type of word like it was 11:59 and when the clock struck 12:00 (to be continued)
If you click on the search button on the website you should find another link called series finder once you click on thathttps://www.scribblehub.com/series-finder/ it should show you a bunch of categories
Click once on the box if you want your search narrowed in that direction
Twice to say that...