noun
day visitor; day tripper; non-staying customer
Refers to a person who visits a place (hotel, onsen, tourist spot, etc.) without staying overnight. Commonly used in the hospitality and travel industries.
この温泉旅館は日帰り客も歓迎しています。
This hot spring inn also welcomes day visitors.
日帰り客向けの入浴プランがあります。
There is a bathing plan for day trippers.