What time does the bath close? in Japanese

お風呂は何時までですか

In kana only: おふろはなんじまでですか

o-furo wa nan-ji made desu ka

polite

What it literally says

as for the bath, until what hour is it

Japanese politeness is mostly built out of phrases that stopped being literal a long time ago. Knowing what is underneath is the difference between repeating a sound and knowing what you said.

When to use it

Ryokan baths often close overnight for cleaning and reopen at dawn, sometimes swapping men's and women's.

Next in Onsen and Public Baths

Where do I put my clothes?服はどこに置きますか
Where do I wash?どこで体を洗いますか
Where is the changing room?脱衣所はどこですか
(Women)女
Are tattoos allowed?タトゥーは大丈夫ですか
Do I need to bring a towel?タオルは必要ですか

What it literally says

When to use it

Next in Onsen and Public Baths

The rest of the phrasebook