Likely, they probably told her like they told me, "We are hiring you for a permanent part time position." Everyone in the hub, except that one person that hired me, says I will be let go after peak is over. They lie to everyone to get them in the door. Time will tell, but she won't be eligible for seniority til around the 1st part of feb at the earliest and then NO time off or vacations for 1 year! Tell her to kiss her summer 2017 vacation goodbye!
Oh and to answer your question, No, sundays don't count