Originally Posted by Blackcat31:
I would have texted back and said you won't be available until regular time since she didn't mention any time changes...
Just because they didn't tell you and they were already on their way doesn't mean that you have to accept their failure to plan. 
I am mommynedsaday off (forgot to log in) and guess who texts me at 7:30 this morning asking if I can watch her kids today and tomorrow as well!? She forgot they are out of school for the whole week, not just Monday! Who does that? And she texts me early on a morning when I have no other kids coming! In fact, my other dcg is out sick today, so I got the day off and NO, dcm, I don't want to watch your kids on my day off! This mom and her lack of planning drive me nuts!