“Tomorrow night”

LORELAI: All right, we’ll see you tomorrow night.
EMILY: Seven o’clock.

After Lorelai and Rory thank Emily for taking good care of her granddaughter, they inexplicably agree to meet the following night at 7 pm for Friday Night Dinner.

Rory ran away to her grandparents’ house on Thursday evening, and stayed all night there. The following afternoon Lorelai arrived to pick Rory up after school, which was surely Friday (and it would have made more sense for Lorelai to arrive for Friday Night Dinner as usual, knowing Rory would already be there).

But no, it is somehow Thursday again, and they have to wait another day for Friday. Time runs strangely in Gilmore Land …