The party is ........my house,..........2pm..........5pm.
The party is at my house, from 2pm to 5pm.
Tom's party's......Tuesday......4:30.
Tom's party's on Tuesday at 4:30.
Is your party........July 1st?
Is your party on July 1st?
My party is..........the swimming pool. It's..........3pm.
My party is at the swimming pool. It's at 3pm.
See you...........the park............Sunday!
See you at the park on Sunday!