Your name

I'm about 35 minutes into this and I don't get it. Why just diary entries. Why don't they try calling each other?

Keep watching.

Hm I thought I saved a picture of the poster not the logo.

Will do.

Well now I am just plain confused. I guess that's the point though

Remember that a good portion of the movie depends on the fuzziness and dream-like quality of everything happening. Some things won't make perfect sense, characters won't remember everything you think they should. There's a reason they continuously refer to dreams.

Yeah.
I just got to the part where he says they never switched again so I am very invested in seeing how they squeeze another hour out of this.

Nigga, that was all just the buildup. You haven't even hit the actual conflict yet.

Because it would completely destroy the film's logic. Also looking at calendars or the news, or anything in particular.
The writing is very convenient, so don't think about it too much.

Because Makoto Shinkai is an idiot.