Anyone else's LO's schedule completely crazy while visiting family?

My 19m is usually up for the day no later than 7a. Nap between 12-2:30 and bedtime around 8. We've been at my family since Thursday and she is not napping or napping super late like at 3pm.sleeping in till 830/900 and going to bed at like 10-1100pm

Oy. Should be fun getting her back on schedule..