Check out on New Year's Day - Which year gets the credit?

Discussion created by jlbarone3 on Jan 5, 2018
Latest reply on Jan 6, 2018 by bejacob

Hello. I did a search but could not find the answer. I stayed in a Marriott 12/30-1/1. Since I checked out on 1/1 (in 2018) I assumed my 2 nights would count towards 2018. But Marriott seems to have credited them to 2017. Is this right? Thanks.