How many days does the hotel check in at 8 am and leave the next day 12?

In that case, you can stay for one day ~

Because the hotel algorithm is the number of days you stay in your room.

That is, how many nights did you stay!

You check in at 8 o'clock in the morning like this

Although it is much earlier than the normal 2 pm standard.

But there is a saying in the hotel called morning.

cheque

In ...

That is, check in early.

You belong to this situation ~

So it's still a day ~