What does it mean to stay in a hotel for five consecutive nights?

5 consecutive nights in the hotel refers to the end time from the first day 12 to the fifth day of check-out.

Hotels usually check in after room service hours and check out before noon 12 the next day, and some hotels will extend it to 2 pm the next day.

In some hotels, there are many vacant rooms in the off-season or on weekdays, and you can stay for one day, but generally speaking, if you need to stay for more than one day, you'd better choose continuous accommodation in advance.