what time did u finish your seder?

[ExGingi]

Your two complaints answer each other; "regular english" is not the same thing as English.
In "regular english", it's spelled out.

Search the forums for regular english, for more context.

Or just follow the link in my signature line and read upthread from there.

[gozalim]

הלל בציבור is done in shul.

even just the directives in the hagada for hallel seem clear that a certain communal element is encouraged in this context as well.
technically prob satisfied if you do that like you do benching

the first person to be ready and eligible